800 FNUS56 KPDT 301257 FWFPDT Fire Weather Planning Forecast for NE Oregon and SE Washington National Weather Service Pendleton OR 557 AM PDT Tue Sep 30 2025 .DISCUSSION...Widespread showers and breezy winds are expected across the area through Wednesday with the passing cold front. This system will also bring isolated thunderstorms over eastern Oregon (<30% chance). Lower elevations may receive less than 0.10 inch with wetting rain amounts over the mountain areas. Breezy west-southwest winds of 15-25 mph with gusts up to 30 mph will develop across Deschutes and Crook Counties through Thursday. Good to excellent relative humidity recoveries (60-100%) and near normal temperatures will continue into next week. ***Winds are 20 foot 10 minute averages*** ***CWR-chance of wetting rain 0.10 or greater*** ***Ventilation Index is derived from the transport wind multiplied by the mixing height in 100's of feet. Index categories are a generalized indicator and users are encourage to develop criteria that are suitable and representative of dispersion conditions in their local area of interest.*** Note: Max transport winds may not occur at the same time as max mixing height. WAZ695-010000- East Washington South Central Cascade Mountains- 557 AM PDT Tue Sep 30 2025 .TODAY... * Sky/weather.........Partly cloudy. A chance of showers in the afternoon. * Max temperature.....58-66...except 49-57 ridges. * Min humidity........40-54 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming southeast 4 to 9 mph in the afternoon. * Ridges/upr slopes....South winds 2 to 7 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......8000 ft agl. * Transport winds.....Southwest around 10 mph increasing to south around 20 mph in the afternoon. * Ventilation Index...Poor (25-107) increasing to good to excellent (552-846) in the afternoon. .TONIGHT... * Sky/weather.........Mostly cloudy. A chance of showers. * Min temperature.....38-44. * Max humidity........83-98 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...South winds 2 to 7 mph in the evening becoming drainage winds less than 5 mph. * Ridges/upr slopes....South winds 2 to 7 mph. * CWR.................20 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....Southwest 10 to 15 mph. * Ventilation Index...Poor to fair (161-375) decreasing to poor (25-199) after midnight. .WEDNESDAY... * Sky/weather.........Mostly cloudy. A chance of showers. * Max temperature.....54-62...except 45-54 ridges. * Min humidity........43-57 percent...except 55-70 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming south 4 to 10 mph in the afternoon. * Ridges/upr slopes....South winds 3 to 8 mph. * CWR.................20 percent. * Chc of lightning....0 percent. * Mixing height.......7000 ft agl. * Transport winds.....South around 10 mph increasing to southwest around 20 mph in the afternoon. * Ventilation Index...Poor to fair (25-225) increasing to fair to excellent (447-781) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...A chance of showers. Partly cloudy. Lows 37 to 42. Highs 47 to 60. Southwest winds 2 to 7 mph. .FRIDAY...Partly cloudy with a chance of showers. Lows 36 to 42. Highs 51 to 64. West winds 1 to 6 mph. .SATURDAY...Partly cloudy with a slight chance of showers. Lows 38 to 44. Highs 49 to 62. Northwest winds 2 to 7 mph. .SUNDAY...Partly cloudy. Lows 35 to 40. Highs 51 to 63. Northeast winds 2 to 7 mph. .MONDAY...Mostly clear. Lows 36 to 41. Highs 54 to 66. East winds 1 to 6 mph. $$ WAZ690-010000- Kittitas Valley- 557 AM PDT Tue Sep 30 2025 .TODAY... * Sky/weather.........Mostly sunny then becoming partly cloudy. * Max temperature.....64-71...except 54-65 ridges. * Min humidity........37-45 percent. * 20-foot winds....... * Valleys/lwr slopes...South winds 3 to 8 mph. * Ridges/upr slopes....Southwest winds 1 to 5 mph shifting to the south 5 to 11 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......8500 ft agl. * Transport winds.....Southwest around 5 mph increasing to south around 20 mph in the afternoon. * Ventilation Index...Poor (26-72) increasing to excellent (747-953) in the afternoon. .TONIGHT... * Sky/weather.........Cloudy then becoming partly cloudy. A chance of showers in the evening, then a slight chance of showers after midnight. * Min temperature.....43-49. * Max humidity........82-97 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...South winds 4 to 9 mph. * Ridges/upr slopes....South winds 4 to 9 mph. * CWR.................10 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....Southwest 10 to 15 mph. * Ventilation Index...Fair (263-389) decreasing to poor (31-91) after midnight. .WEDNESDAY... * Sky/weather.........Partly cloudy. A chance of showers. * Max temperature.....61-67...except 52-61 ridges. * Min humidity........46-53 percent. * 20-foot winds....... * Valleys/lwr slopes...South winds 2 to 7 mph increasing to 8 to 14 mph with gusts up to 25 mph in the afternoon. * Ridges/upr slopes....Southwest winds 2 to 7 mph increasing to 8 to 14 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......7000 ft agl. * Transport winds.....South around 10 mph increasing to southwest around 20 mph in the afternoon. * Ventilation Index...Poor (37-101) increasing to good to excellent (547-803) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Partly cloudy with a chance of showers. Lows 39 to 45. Highs 60 to 67. Southwest winds 5 to 11 mph. .FRIDAY...Mostly clear. Lows 40 to 46. Highs 63 to 70. West winds 2 to 7 mph. .SATURDAY...Partly cloudy. Lows 43 to 48. Highs 62 to 69. Northwest winds 3 to 8 mph. .SUNDAY...Partly cloudy. Lows 39 to 45. Highs 60 to 66. North winds 2 to 7 mph. .MONDAY...Mostly clear. Lows 38 to 44. Highs 62 to 68. Northeast winds 2 to 7 mph. $$ WAZ694-010000- Yakama Alpine District- 557 AM PDT Tue Sep 30 2025 .TODAY... * Sky/weather.........Partly cloudy then becoming mostly cloudy. A chance of showers in the afternoon. * Max temperature.....61-68...except 51-62 ridges. * Min humidity........39-54 percent. * 20-foot winds....... * Valleys/lwr slopes...Southwest winds 3 to 8 mph. * Ridges/upr slopes....Southwest winds 3 to 8 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......7500 ft agl. * Transport winds.....Southwest around 10 mph increasing to south around 20 mph in the afternoon. * Ventilation Index...Poor (27-107) increasing to good to excellent (531-867) in the afternoon. .TONIGHT... * Sky/weather.........Mostly cloudy. A chance of showers. * Min temperature.....39-46. * Max humidity........87-100 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...Southwest winds 2 to 7 mph. * Ridges/upr slopes....Southwest winds 2 to 7 mph. * CWR.................50 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....Southwest around 15 mph. * Ventilation Index...Poor to fair (143-385) decreasing to poor (33-179) after midnight. .WEDNESDAY... * Sky/weather.........Mostly cloudy. A chance of showers in the morning, then showers likely in the afternoon. * Max temperature.....56-62...except 46-56 ridges. * Min humidity........56-71 percent. * 20-foot winds....... * Valleys/lwr slopes...Southwest winds 4 to 9 mph. * Ridges/upr slopes....Southwest winds 4 to 9 mph. * CWR.................30 percent. * Chc of lightning....0 percent. * Mixing height.......5500 ft agl. * Transport winds.....Southwest 15 to 20 mph. * Ventilation Index...Poor to fair (58-222) increasing to fair to excellent (358-766) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Partly cloudy with a chance of showers. Lows 37 to 44. Highs 50 to 63. Southwest winds 3 to 8 mph. .FRIDAY...Mostly clear. Lows 35 to 42. Highs 55 to 68. West winds 2 to 7 mph. .SATURDAY...Partly cloudy. Lows 37 to 43. Highs 55 to 66. West winds 2 to 6 mph. .SUNDAY...Partly cloudy. Lows 35 to 42. Highs 53 to 65. Northeast winds 2 to 7 mph. .MONDAY...Mostly clear. Lows 36 to 42. Highs 56 to 67. Northeast winds 2 to 7 mph. $$ ORZ691-WAZ691-010000- Lower Columbia Basin of Oregon-Lower Columbia Basin of Washington- 557 AM PDT Tue Sep 30 2025 .TODAY... * Sky/weather.........Partly cloudy then becoming mostly cloudy. A slight chance of showers in the afternoon. * Max temperature.....69-75...except 64-71 ridges. * Min humidity........32-44 percent. * 20-foot winds....... * Valleys/lwr slopes...Southwest winds 2 to 7 mph. * Ridges/upr slopes....Southwest winds 3 to 8 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......9500 ft agl. * Transport winds.....South around 5 mph increasing to around 15 mph in the afternoon. * Ventilation Index...Poor (25-85) increasing to fair to excellent (445-965) in the afternoon. .TONIGHT... * Sky/weather.........Mostly cloudy. A chance of showers. * Min temperature.....48-53. * Max humidity........77-92 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...Southwest winds 3 to 8 mph. * Ridges/upr slopes....Southwest winds 3 to 8 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....Southwest 10 to 15 mph. * Ventilation Index...Poor to fair (97-321) decreasing to poor (25-73) after midnight. .WEDNESDAY... * Sky/weather.........Mostly cloudy. A chance of showers. * Max temperature.....64-70...except 59-66 ridges. * Min humidity........46-58 percent. * 20-foot winds....... * Valleys/lwr slopes...Southwest winds 4 to 9 mph. * Ridges/upr slopes....Southwest winds 5 to 11 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......8000 ft agl. * Transport winds.....Southwest around 10 mph increasing to around 20 mph in the afternoon. * Ventilation Index...Poor (27-115) increasing to fair to excellent (495-879) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...A chance of showers. Mostly cloudy. Lows 43 to 48. Highs 63 to 70. Southwest winds 4 to 9 mph. .FRIDAY...Mostly clear. Lows 42 to 47. Highs 65 to 70. Southwest winds 3 to 8 mph. .SATURDAY...Partly cloudy. Lows 43 to 48. Highs 63 to 70. West winds 2 to 7 mph. .SUNDAY...Partly cloudy. Lows 40 to 45. Highs 62 to 67. North winds 2 to 7 mph. .MONDAY...Mostly clear. Lows 37 to 42. Highs 64 to 69. Northeast winds 2 to 7 mph. $$ ORZ692-WAZ692-010000- Northern Blue Mountains of Oregon-Blue Mountains of Washington- 557 AM PDT Tue Sep 30 2025 .TODAY... * Sky/weather.........Mostly cloudy. A chance of showers. A slight chance of thunderstorms in the afternoon. * Max temperature.....63-73...except 56-62 ridges. * Min humidity........39-54 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming southwest 2 to 6 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph becoming south 3 to 6 mph in the afternoon. * CWR.................10 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......9500 ft agl. * Transport winds.....South around 10 mph increasing to around 20 mph in the afternoon. * Ventilation Index...Poor (38-114) increasing to good to excellent (500-948) in the afternoon. .TONIGHT... * Sky/weather.........Mostly cloudy. A chance of showers. * Min temperature.....44-51. * Max humidity........67-81 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...South winds 2 to 7 mph. * Ridges/upr slopes....Southwest winds 2 to 7 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....Southwest around 15 mph. * Ventilation Index...Poor to fair (81-261) decreasing to poor (25-107) after midnight. .WEDNESDAY... * Sky/weather.........Mostly cloudy. A chance of showers. * Max temperature.....59-68...except 52-58 ridges. * Min humidity........51-66 percent. * 20-foot winds....... * Valleys/lwr slopes...Southwest winds 2 to 7 mph. * Ridges/upr slopes....Southwest winds 2 to 7 mph. * CWR.................10 percent. * Chc of lightning....0 percent. * Mixing height.......8500 ft agl. * Transport winds.....Southwest 15 to 20 mph. * Ventilation Index...Poor (51-165) increasing to good to excellent (521-853) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly cloudy with a chance of showers. Lows 41 to 47. Highs 53 to 63. Southwest winds 1 to 5 mph. .FRIDAY...Partly cloudy. Lows 37 to 44. Highs 54 to 64. West winds 1 to 5 mph. .SATURDAY...Partly cloudy with a slight chance of showers. Lows 38 to 45. Highs 51 to 61. Southwest winds 2 to 7 mph. .SUNDAY...Partly cloudy with a slight chance of showers. Lows 35 to 41. Highs 51 to 60. North winds 1 to 6 mph. .MONDAY...Mostly clear. Lows 33 to 40. Highs 55 to 64. Northeast winds 1 to 5 mph. $$ ORZ693-WAZ693-010000- Canyon Grasslands of Wallowa County- Southeast Washington Grande Ronde Valley- 557 AM PDT Tue Sep 30 2025 .TODAY... * Sky/weather.........Mostly cloudy. A chance of showers and a slight chance of thunderstorms. * Max temperature.....63-71...except 56-62 ridges. * Min humidity........41-50 percent. * 20-foot winds....... * Valleys/lwr slopes...South winds 3 to 8 mph. * Ridges/upr slopes....South winds 4 to 9 mph. * CWR.................20 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......8000 ft agl. * Transport winds.....South around 10 mph increasing to around 20 mph in the afternoon. * Ventilation Index...Poor (25-160) increasing to good to excellent (509-903) in the afternoon. .TONIGHT... * Sky/weather.........Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. * Min temperature.....41-51. * Max humidity........69-84 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...South winds 3 to 8 mph. * Ridges/upr slopes....South winds 3 to 8 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....Southwest 10 to 15 mph. * Ventilation Index...Poor to fair (86-254) decreasing to poor (25-115) after midnight. .WEDNESDAY... * Sky/weather.........Mostly cloudy. A chance of showers. * Max temperature.....59-67...except 53-60 ridges. * Min humidity........45-58 percent. * 20-foot winds....... * Valleys/lwr slopes...South winds 4 to 9 mph. * Ridges/upr slopes....South winds 4 to 9 mph. * CWR.................10 percent. * Chc of lightning....0 percent. * Mixing height.......8500 ft agl. * Transport winds.....South around 10 mph increasing to southwest around 20 mph in the afternoon. * Ventilation Index...Poor (25-168) increasing to good to excellent (592-926) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly cloudy with showers likely and a slight chance of thunderstorms. Lows 39 to 48. Highs 55 to 64. Southwest winds 2 to 7 mph. .FRIDAY...A slight chance of showers. Partly cloudy. Lows 36 to 45. Highs 56 to 65. Terrain driven winds less than 5 mph. .SATURDAY...Partly cloudy. Lows 34 to 44. Highs 53 to 62. West winds 1 to 6 mph. .SUNDAY...Partly cloudy with a slight chance of showers. Lows 31 to 40. Highs 52 to 60. North winds 1 to 6 mph. .MONDAY...Mostly clear. Lows 30 to 39. Highs 56 to 65. East winds 1 to 5 mph. $$ ORZ701-010000- Eastern Columbia River Gorge of Oregon- 557 AM PDT Tue Sep 30 2025 .TODAY... * Sky/weather.........Partly cloudy then becoming mostly cloudy. A chance of showers in the afternoon. * Max temperature.....66-71. * Min humidity........38-53 percent. * 20-foot winds....... * Valleys/lwr slopes...Winds southwest 2 to 5 mph in the afternoon. Upslope less than 5 mph. In the eastern Columbia River Gorge, winds northwest 2 to 5 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph becoming south 1 to 5 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......7500 ft agl. * Transport winds.....South around 5 mph increasing to southwest around 15 mph in the afternoon. * Ventilation Index...Poor (25-60) increasing to fair to excellent (422-928) in the afternoon. .TONIGHT... * Sky/weather.........Mostly cloudy. Showers in the evening, then a chance of showers after midnight. * Min temperature.....44-50. * Max humidity........89-100 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...Southwest winds 2 to 6 mph in the evening becoming drainage winds less than 5 mph. * Ridges/upr slopes....Southwest winds 1 to 5 mph in the evening becoming light winds less than 5 mph. * CWR.................30 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....Southwest around 10 mph. * Ventilation Index...Poor to fair (76-206) decreasing to poor (27-79) after midnight. .WEDNESDAY... * Sky/weather.........Mostly cloudy. Showers likely. A slight chance of thunderstorms in the afternoon. * Max temperature.....62-67. * Min humidity........52-67 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming southwest 2 to 7 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph becoming southwest 2 to 5 mph in the afternoon. * CWR.................20 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......6500 ft agl. * Transport winds.....Southwest 10 to 15 mph. * Ventilation Index...Poor (27-91) increasing to fair to excellent (275-771) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...A chance of showers. Partly cloudy. Lows 41 to 47. Highs 63 to 68. Southwest winds 2 to 7 mph. .FRIDAY...Mostly clear. Lows 40 to 46. Highs 65 to 70. West winds 2 to 7 mph. .SATURDAY...Partly cloudy. Lows 42 to 48. Highs 63 to 68. West winds 2 to 7 mph. .SUNDAY...Partly cloudy. Lows 40 to 45. Highs 63 to 68. Northeast winds 2 to 7 mph. .MONDAY...Mostly clear. Lows 39 to 44. Highs 65 to 70. East winds 2 to 7 mph. $$ ORZ702-010000- East Slopes of the Mt. Hood National Forest- 557 AM PDT Tue Sep 30 2025 .TODAY... * Sky/weather.........Partly cloudy then becoming mostly cloudy. Showers likely in the afternoon. * Max temperature.....64-70...except 56-65 ridges. * Min humidity........35-46 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph. * Ridges/upr slopes....light less than 5 mph. * CWR.................10 percent. * Chc of lightning....0 percent. * Mixing height.......7500 ft agl. * Transport winds.....Southwest around 10 mph increasing to around 20 mph in the afternoon. * Ventilation Index...Poor (31-105) increasing to good to excellent (639-1001) in the afternoon. .TONIGHT... * Sky/weather.........Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. * Min temperature.....40-47. * Max humidity........84-99 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...Drainage winds less than 5 mph. * Ridges/upr slopes....light winds less than 5 mph. * CWR.................50 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....Southwest around 15 mph. * Ventilation Index...Poor to fair (112-310) decreasing to poor (25-180) after midnight. .WEDNESDAY... * Sky/weather.........Mostly cloudy. Showers likely. A slight chance of thunderstorms in the afternoon. * Max temperature.....57-65...except 50-60 ridges. * Min humidity........49-57 percent...except 55-70 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph. * Ridges/upr slopes....light less than 5 mph. * CWR.................50 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......5500 ft agl. * Transport winds.....Southwest 15 to 20 mph. * Ventilation Index...Poor to fair (46-222) increasing to fair to excellent (386-794) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...A chance of showers. Mostly cloudy. Lows 39 to 45. Highs 52 to 65. Terrain driven winds less than 5 mph. .FRIDAY...A slight chance of showers. Partly cloudy. Lows 37 to 44. Highs 55 to 68. Terrain driven winds less than 5 mph. .SATURDAY...Partly cloudy with a slight chance of showers. Lows 39 to 45. Highs 53 to 66. West winds 1 to 5 mph. .SUNDAY...Partly cloudy. Lows 37 to 43. Highs 53 to 64. Terrain driven winds less than 5 mph. .MONDAY...Mostly clear. Lows 38 to 44. Highs 56 to 67. Terrain driven winds less than 5 mph. $$ ORZ695-010000- Eagle Cap Wilderness- 557 AM PDT Tue Sep 30 2025 .TODAY... * Sky/weather.........Mostly cloudy. A chance of showers and a slight chance of thunderstorms. * Max temperature.....58-68...except 46-56 ridges. * Min humidity........41-56 percent...except 58-73 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...South winds 5 to 11 mph. * Ridges/upr slopes....South winds 5 to 11 mph. * CWR.................30 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......7000 ft agl. * Transport winds.....South 15 to 20 mph. * Ventilation Index...Poor to fair (45-217) increasing to fair to excellent (445-899) in the afternoon. .TONIGHT... * Sky/weather.........Mostly cloudy. A chance of showers. * Min temperature.....42-48...except 34-42 ridges. * Max humidity........75-90 percent. * Humidity recovery...Good...except Excellent ridges. * 20-foot winds....... * Valleys/lwr slopes...South winds 3 to 8 mph. * Ridges/upr slopes....South winds 3 to 8 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....Southwest 10 to 15 mph. * Ventilation Index...Poor to fair (79-299) decreasing to poor (25-112) after midnight. .WEDNESDAY... * Sky/weather.........Mostly cloudy. A chance of showers. * Max temperature.....54-64...except 42-53 ridges. * Min humidity........51-64 percent...except 66-81 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...South winds 5 to 11 mph. * Ridges/upr slopes....South winds 5 to 11 mph. * CWR.................10 percent. * Chc of lightning....0 percent. * Mixing height.......7000 ft agl. * Transport winds.....South 15 to 20 mph. * Ventilation Index...Poor (25-181) increasing to fair to excellent (374-798) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly cloudy with a chance of rain and snow showers. Lows 35 to 45. Highs 47 to 61. Southwest winds 2 to 7 mph. .FRIDAY...Partly cloudy. Lows 32 to 41. Highs 47 to 62. North winds 1 to 5 mph. .SATURDAY...Partly cloudy. Lows 32 to 41. Highs 44 to 58. Northwest winds 2 to 7 mph. .SUNDAY...Partly cloudy. Lows 29 to 38. Highs 43 to 57. North winds 2 to 7 mph. .MONDAY...Mostly clear. Lows 29 to 36. Highs 47 to 62. North winds 1 to 6 mph. $$ ORZ694-010000- Grande Ronde Valley of Oregon- 557 AM PDT Tue Sep 30 2025 .TODAY... * Sky/weather.........Mostly cloudy. A chance of showers and a slight chance of thunderstorms. * Max temperature.....67-72. * Min humidity........35-40 percent. * 20-foot winds....... * Valleys/lwr slopes...South winds 6 to 12 mph. Gusts to 25 mph in the afternoon. * Ridges/upr slopes....South winds 6 to 12 mph. * CWR.................10 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......7500 ft agl. * Transport winds.....South around 10 mph increasing to around 20 mph in the afternoon. * Ventilation Index...Poor (100-190) increasing to excellent (873-1050) in the afternoon. .TONIGHT... * Sky/weather.........Mostly cloudy. A chance of showers. * Min temperature.....41-47. * Max humidity........78-88 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...South winds 4 to 9 mph. * Ridges/upr slopes....South winds 4 to 9 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....South 10 to 15 mph. * Ventilation Index...Poor to fair (167-261) decreasing to poor (49-109) after midnight. .WEDNESDAY... * Sky/weather.........Mostly cloudy. A chance of showers. * Max temperature.....64-69. * Min humidity........47-56 percent. * 20-foot winds....... * Valleys/lwr slopes...South winds 6 to 12 mph. * Ridges/upr slopes....South winds 6 to 12 mph. * CWR.................10 percent. * Chc of lightning....0 percent. * Mixing height.......7500 ft agl. * Transport winds.....South 15 to 20 mph. * Ventilation Index...Poor to fair (120-230) increasing to excellent (791-1041) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly cloudy with a chance of showers. Lows 39 to 44. Highs 61 to 66. West winds 2 to 7 mph. .FRIDAY...Partly cloudy. Lows 34 to 39. Highs 63 to 68. Northwest winds 2 to 7 mph. .SATURDAY...Partly cloudy. Lows 34 to 39. Highs 59 to 64. Northwest winds 4 to 9 mph. .SUNDAY...Partly cloudy. Lows 31 to 36. Highs 58 to 63. North winds 3 to 8 mph. .MONDAY...Mostly clear. Lows 29 to 34. Highs 61 to 66. North winds 2 to 7 mph. $$ ORZ699-010000- Western Forested Blue Mountains- 557 AM PDT Tue Sep 30 2025 .TODAY... * Sky/weather.........Partly cloudy then becoming mostly cloudy. A slight chance of showers. * Max temperature.....63-69...except 55-63 ridges. * Min humidity........33-43 percent. * 20-foot winds....... * Valleys/lwr slopes...South winds 3 to 8 mph. * Ridges/upr slopes....South winds 3 to 8 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......9000 ft agl. * Transport winds.....South around 15 mph increasing to around 25 mph in the afternoon. * Ventilation Index...Poor (65-165) increasing to excellent (933-1050) in the afternoon. .TONIGHT... * Sky/weather.........Mostly cloudy. A chance of showers. * Min temperature.....39-47. * Max humidity........73-88 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...South winds 3 to 8 mph. * Ridges/upr slopes....South winds 3 to 8 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....Southwest 15 to 20 mph. * Ventilation Index...Fair (274-494) decreasing to poor (25-127) after midnight. .WEDNESDAY... * Sky/weather.........Mostly cloudy. A chance of showers. * Max temperature.....59-65...except 52-59 ridges. * Min humidity........44-58 percent. * 20-foot winds....... * Valleys/lwr slopes...South winds 2 to 7 mph. * Ridges/upr slopes....South winds 2 to 7 mph. * CWR.................10 percent. * Chc of lightning....0 percent. * Mixing height.......7500 ft agl. * Transport winds.....Southwest 15 to 20 mph. * Ventilation Index...Poor to fair (78-234) increasing to good to excellent (663-975) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly cloudy with a chance of showers. Lows 37 to 43. Highs 52 to 61. Terrain driven winds less than 5 mph. .FRIDAY...Partly cloudy. Lows 34 to 40. Highs 53 to 62. Terrain driven winds less than 5 mph. .SATURDAY...Partly cloudy. Lows 34 to 40. Highs 50 to 59. West winds 1 to 6 mph. .SUNDAY...Partly cloudy. Lows 31 to 38. Highs 49 to 58. North winds 1 to 5 mph. .MONDAY...Mostly clear. Lows 30 to 36. Highs 54 to 62. North winds 1 to 5 mph. $$ ORZ696-010000- John Day Valley- 557 AM PDT Tue Sep 30 2025 .TODAY... * Sky/weather.........Partly cloudy then becoming mostly cloudy. * Max temperature.....64-72...except 59-64 ridges. * Min humidity........29-35 percent. * 20-foot winds....... * Valleys/lwr slopes...South winds 5 to 11 mph. Gusts to 25 mph in the afternoon. * Ridges/upr slopes....South winds 5 to 11 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......10000 ft agl. * Transport winds.....South around 10 mph increasing to southwest around 25 mph in the afternoon. * Ventilation Index...Poor to fair (86-206) increasing to excellent (1050) in the afternoon. .TONIGHT... * Sky/weather.........Mostly cloudy. A chance of showers. * Min temperature.....43-49. * Max humidity........69-80 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...South winds 6 to 12 mph. * Ridges/upr slopes....South winds 6 to 12 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....Southwest 15 to 20 mph. * Ventilation Index...Fair to good (375-603) decreasing to poor (49-177) after midnight. .WEDNESDAY... * Sky/weather.........Mostly cloudy. A slight chance of showers in the morning, then a chance of showers in the afternoon. * Max temperature.....61-69...except 57-62 ridges. * Min humidity........35-47 percent. * 20-foot winds....... * Valleys/lwr slopes...South winds 4 to 9 mph. * Ridges/upr slopes....South winds 4 to 9 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......8500 ft agl. * Transport winds.....Southwest 15 to 20 mph. * Ventilation Index...Poor to fair (130-308) increasing to excellent (838-1050) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly cloudy with a chance of showers. Lows 39 to 45. Highs 58 to 65. Southwest winds 1 to 6 mph. .FRIDAY...Partly cloudy. Lows 37 to 42. Highs 59 to 67. Terrain driven winds less than 5 mph. .SATURDAY...Partly cloudy. Lows 37 to 43. Highs 57 to 65. West winds 1 to 6 mph. .SUNDAY...Partly cloudy. Lows 34 to 40. Highs 55 to 63. North winds 2 to 7 mph. .MONDAY...Mostly clear. Lows 32 to 37. Highs 58 to 67. Northeast winds 2 to 7 mph. $$ ORZ700-010000- Central Mountains of Oregon- 557 AM PDT Tue Sep 30 2025 .TODAY... * Sky/weather.........Partly cloudy then becoming mostly cloudy. A slight chance of showers in the afternoon. * Max temperature.....63-69...except 57-62 ridges. * Min humidity........31-37 percent. * 20-foot winds....... * Valleys/lwr slopes...South winds 4 to 9 mph increasing to 10 to 17 mph with gusts up to 30 mph in the afternoon. * Ridges/upr slopes....South winds 6 to 12 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......9500 ft agl. * Transport winds.....South around 15 mph increasing to southwest around 25 mph in the afternoon. * Ventilation Index...Poor (100-198) increasing to excellent (1039-1050) in the afternoon. .TONIGHT... * Sky/weather.........Mostly cloudy. A chance of showers. * Min temperature.....39-47. * Max humidity........77-91 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...South winds 8 to 14 mph with gusts up to 30 mph. * Ridges/upr slopes....South winds 8 to 14 mph. * CWR.................10 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....Southwest 15 to 20 mph. * Ventilation Index...Fair to good (314-574) decreasing to poor (59-167) after midnight. .WEDNESDAY... * Sky/weather.........Mostly cloudy. A chance of showers in the morning. A slight chance of showers in the afternoon. * Max temperature.....61-66...except 54-59 ridges. * Min humidity........36-50 percent. * 20-foot winds....... * Valleys/lwr slopes...Southwest winds 5 to 11 mph. * Ridges/upr slopes....Southwest winds 5 to 11 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......8000 ft agl. * Transport winds.....Southwest 15 to 20 mph. * Ventilation Index...Poor to fair (131-289) increasing to excellent (871-1050) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly cloudy with a slight chance of showers. Lows 33 to 42. Highs 58 to 64. Southwest winds 3 to 8 mph. .FRIDAY...Mostly clear. Lows 29 to 39. Highs 59 to 66. Northwest winds 1 to 6 mph. .SATURDAY...Mostly clear. Lows 30 to 40. Highs 58 to 65. Northwest winds 2 to 7 mph. .SUNDAY...Partly cloudy. Lows 27 to 38. Highs 55 to 63. North winds 2 to 7 mph. .MONDAY...Mostly clear. Lows 26 to 36. Highs 59 to 65. Northeast winds 2 to 7 mph. $$ ORZ703-010000- Warm Springs Reservation- 557 AM PDT Tue Sep 30 2025 .TODAY... * Sky/weather.........Partly cloudy then becoming mostly cloudy. A chance of showers in the afternoon. * Max temperature.....65-72...except 53-63 ridges. * Min humidity........33-39 percent...except 38-51 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...South winds 3 to 8 mph. * Ridges/upr slopes....South winds 3 to 8 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......8500 ft agl. * Transport winds.....South around 10 mph increasing to southwest around 20 mph in the afternoon. * Ventilation Index...Poor (32-104) increasing to excellent (825-1050) in the afternoon. .TONIGHT... * Sky/weather.........Mostly cloudy. A chance of showers. * Min temperature.....43-49. * Max humidity........82-93 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...South winds 4 to 9 mph. * Ridges/upr slopes....Southwest winds 4 to 9 mph. * CWR.................30 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....Southwest around 15 mph. * Ventilation Index...Poor to fair (138-290) decreasing to poor (25-162) after midnight. .WEDNESDAY... * Sky/weather.........Mostly cloudy. A chance of showers. * Max temperature.....59-67...except 47-57 ridges. * Min humidity........44-56 percent...except 59-74 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...Southwest winds 4 to 9 mph. * Ridges/upr slopes....Southwest winds 4 to 9 mph. * CWR.................20 percent. * Chc of lightning....0 percent. * Mixing height.......7000 ft agl. * Transport winds.....Southwest 15 to 20 mph. * Ventilation Index...Poor to fair (51-203) increasing to good to excellent (651-1017) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...A chance of showers. Mostly cloudy. Lows 41 to 46. Highs 57 to 67. Southwest winds 4 to 9 mph. .FRIDAY...A slight chance of showers. Mostly clear. Lows 39 to 44. Highs 60 to 69. West winds 2 to 7 mph. .SATURDAY...Partly cloudy. Lows 40 to 45. Highs 58 to 68. West winds 2 to 7 mph. .SUNDAY...Partly cloudy. Lows 38 to 43. Highs 57 to 65. Northeast winds 2 to 7 mph. .MONDAY...Mostly clear. Lows 37 to 42. Highs 59 to 67. Northeast winds 2 to 7 mph. $$ ORZ704-010000- Northern Deschutes National Forest- 557 AM PDT Tue Sep 30 2025 .TODAY... * Sky/weather.........Partly cloudy then becoming mostly cloudy. Showers likely in the afternoon. * Max temperature.....63-69...except 51-60 ridges. * Min humidity........31-39 percent...except 39-54 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...Southwest winds 4 to 9 mph. * Ridges/upr slopes....Southwest winds 5 to 11 mph. * CWR.................10 percent. * Chc of lightning....0 percent. * Mixing height.......7000 ft agl. * Transport winds.....Southwest around 10 mph increasing to around 25 mph in the afternoon. * Ventilation Index...Poor (54-144) increasing to excellent (811-1050) in the afternoon. .TONIGHT... * Sky/weather.........Mostly cloudy. A chance of showers. * Min temperature.....36-43. * Max humidity........86-100 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...Southwest winds 4 to 9 mph. * Ridges/upr slopes....Southwest winds 5 to 11 mph. * CWR.................30 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....Southwest around 15 mph. * Ventilation Index...Poor to fair (125-315) decreasing to poor to fair (25-207) after midnight. .WEDNESDAY... * Sky/weather.........Mostly cloudy. Showers likely. * Max temperature.....58-64...except 46-55 ridges. * Min humidity........48-57 percent...except 62-77 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming southwest 5 to 8 mph in the afternoon. * Ridges/upr slopes....Southwest winds 6 to 12 mph. * CWR.................20 percent. * Chc of lightning....0 percent. * Mixing height.......7000 ft agl. * Transport winds.....Southwest around 15 mph increasing to around 25 mph in the afternoon. * Ventilation Index...Poor to fair (73-285) increasing to good to excellent (673-1050) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly cloudy with a chance of showers. Lows 34 to 41. Highs 50 to 63. Southwest winds 4 to 9 mph. .FRIDAY...A slight chance of showers. Mostly clear. Lows 31 to 38. Highs 55 to 68. West winds 1 to 5 mph. .SATURDAY...Mostly clear. Lows 33 to 40. Highs 53 to 65. West winds 1 to 5 mph. .SUNDAY...Partly cloudy. Lows 31 to 38. Highs 51 to 63. Northeast winds 2 to 7 mph. .MONDAY...Mostly clear. Lows 30 to 37. Highs 53 to 65. East winds 4 to 9 mph. $$ ORZ705-010000- Southern Deschutes National Forest- 557 AM PDT Tue Sep 30 2025 .TODAY... * Sky/weather.........Partly cloudy then becoming mostly cloudy. A chance of showers in the afternoon. * Max temperature.....59-64...except 50-57 ridges. * Min humidity........37-48 percent. * 20-foot winds....... * Valleys/lwr slopes...South winds 6 to 12 mph. * Ridges/upr slopes....South winds 6 to 12 mph. * CWR.................10 percent. * Chc of lightning....0 percent. * Mixing height.......6500 ft agl. * Transport winds.....South around 15 mph increasing to southwest around 25 mph in the afternoon. * Ventilation Index...Poor to fair (101-203) increasing to excellent (882-1050) in the afternoon. .TONIGHT... * Sky/weather.........Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. * Min temperature.....34-39. * Max humidity........91-100 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...South winds 6 to 12 mph. * Ridges/upr slopes....Southwest winds 7 to 13 mph. * CWR.................30 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....Southwest around 20 mph. * Ventilation Index...Fair (287-497) decreasing to poor to fair (106-262) after midnight. .WEDNESDAY... * Sky/weather.........Mostly cloudy. A chance of showers. * Max temperature.....56-61...except 46-54 ridges. * Min humidity........43-58 percent...except 54-69 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...Southwest winds 5 to 11 mph. * Ridges/upr slopes....Southwest winds 5 to 11 mph. * CWR.................20 percent. * Chc of lightning....0 percent. * Mixing height.......7000 ft agl. * Transport winds.....Southwest around 20 mph. * Ventilation Index...Poor to fair (182-326) increasing to excellent (708-1038) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly cloudy with a chance of showers. Lows 30 to 37. Highs 51 to 60. Southwest winds 2 to 7 mph. .FRIDAY...Mostly clear. Lows 26 to 34. Highs 56 to 63. Terrain driven winds less than 5 mph. .SATURDAY...Mostly clear. Lows 27 to 35. Highs 55 to 63. Terrain driven winds less than 5 mph. .SUNDAY...Partly cloudy. Lows 25 to 34. Highs 52 to 60. Northeast winds 1 to 5 mph. .MONDAY...Mostly clear. Lows 25 to 33. Highs 56 to 63. East winds 2 to 7 mph. $$ ORZ697-010000- Central Blue Mountains- 557 AM PDT Tue Sep 30 2025 .TODAY... * Sky/weather.........Partly cloudy then becoming mostly cloudy. * Max temperature.....60-65...except 54-61 ridges. * Min humidity........36-43 percent. * 20-foot winds....... * Valleys/lwr slopes...South winds 2 to 7 mph increasing to 7 to 13 mph in the afternoon. * Ridges/upr slopes....South winds 4 to 10 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......8000 ft agl. * Transport winds.....South around 15 mph increasing to southwest around 25 mph in the afternoon. * Ventilation Index...Poor (80-188) increasing to excellent (914-1050) in the afternoon. .TONIGHT... * Sky/weather.........Mostly cloudy. A chance of showers in the evening, then a slight chance of showers after midnight. * Min temperature.....35-42. * Max humidity........82-97 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...South winds 4 to 10 mph. * Ridges/upr slopes....South winds 4 to 10 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....Southwest 15 to 20 mph. * Ventilation Index...Fair to good (331-567) decreasing to poor (26-116) after midnight. .WEDNESDAY... * Sky/weather.........Mostly cloudy. A slight chance of showers. * Max temperature.....58-63...except 52-59 ridges. * Min humidity........39-51 percent. * 20-foot winds....... * Valleys/lwr slopes...South winds 4 to 9 mph. * Ridges/upr slopes....South winds 4 to 9 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......7000 ft agl. * Transport winds.....Southwest 15 to 20 mph. * Ventilation Index...Poor to fair (88-234) increasing to good to excellent (551-913) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly cloudy with a chance of showers. Lows 32 to 40. Highs 52 to 58. Southwest winds 2 to 7 mph. .FRIDAY...Partly cloudy. Lows 30 to 37. Highs 54 to 60. Terrain driven winds less than 5 mph. .SATURDAY...Mostly clear. Lows 30 to 37. Highs 52 to 59. Northwest winds 1 to 6 mph. .SUNDAY...Partly cloudy. Lows 27 to 33. Highs 49 to 55. North winds 2 to 7 mph. .MONDAY...Mostly clear. Lows 26 to 33. Highs 53 to 60. Northeast winds 1 to 5 mph. $$ ORZ698-010000- Southern Blue Mountains- 557 AM PDT Tue Sep 30 2025 .TODAY... * Sky/weather.........Partly cloudy then becoming mostly cloudy. * Max temperature.....59-64...except 54-59 ridges. * Min humidity........33-40 percent. * 20-foot winds....... * Valleys/lwr slopes...South winds 3 to 8 mph increasing to 8 to 14 mph in the afternoon. * Ridges/upr slopes....South winds 5 to 11 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......8000 ft agl. * Transport winds.....South around 10 mph increasing to southwest around 25 mph in the afternoon. * Ventilation Index...Poor (80-162) increasing to excellent (1019-1050) in the afternoon. .TONIGHT... * Sky/weather.........Mostly cloudy. A chance of showers in the evening, then a slight chance of showers after midnight. * Min temperature.....36-42. * Max humidity........80-94 percent. * Humidity recovery...Excellent. * 20-foot winds....... * Valleys/lwr slopes...South winds 6 to 12 mph. * Ridges/upr slopes....South winds 5 to 11 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....Southwest 15 to 20 mph. * Ventilation Index...Fair to good (400-576) decreasing to poor (41-107) after midnight. .WEDNESDAY... * Sky/weather.........Mostly cloudy. A slight chance of showers. * Max temperature.....59-65. * Min humidity........36-44 percent. * 20-foot winds....... * Valleys/lwr slopes...South winds 4 to 10 mph. * Ridges/upr slopes....South winds 4 to 10 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......7000 ft agl. * Transport winds.....Southwest 15 to 20 mph. * Ventilation Index...Poor to fair (106-200) increasing to excellent (707-919) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly cloudy with a slight chance of showers. Lows 33 to 39. Highs 55 to 62. West winds 3 to 8 mph. .FRIDAY...Partly cloudy. Lows 31 to 37. Highs 57 to 63. Northwest winds 1 to 5 mph. .SATURDAY...Mostly clear. Lows 30 to 35. Highs 57 to 63. Northwest winds 2 to 7 mph. .SUNDAY...Partly cloudy. Lows 27 to 33. Highs 53 to 59. North winds 2 to 7 mph. .MONDAY...Mostly clear. Lows 27 to 32. Highs 56 to 62. Northeast winds 2 to 7 mph. $$ .8-14 DAY OUTLOOK for Tuesday October 7 through Monday October 13... A greater chance of near normal temperatures and above normal precipitation. $$