770 FNUS56 KPDT 081352 FWFPDT Fire Weather Planning Forecast for NE Oregon and SE Washington National Weather Service Pendleton OR 652 AM PDT Tue Jul 8 2025 ...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY EVENING FOR WA691 AND OR691 FOR WINDS AND LOW RELATIVE HUMIDITY... ...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 11 PM PDT THIS EVENING FOR OR696, OR700, AND OR705 FOR DRY THUNDERSTORMS WITH ABUNDANT LIGHTNING... .DISCUSSION...Hot and dry conditions will persist through today while a weak front approaches the region today, resulting in breezy conditions in the Cascade Gaps and a chance of thunderstorms across the mountains of central and eastern OR developing this afternoon and evening. Tomorrow, the weak front will pass over the region, resulting in breezy to windy conditions through the Cascade Gaps and Lower Columbia Basin. Afternoon RHs will be very low today, but expected to improve tomorrow and Thursday. ***Thunderstorms imply strong gusty winds*** ***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. WAZ695-082330- East Washington South Central Cascade Mountains- 652 AM PDT Tue Jul 8 2025 .TODAY... * Sky/weather.........Mostly sunny. * Max temperature.....81-89...except 71-81 ridges. * Min humidity........19-29 percent. * 20-foot winds....... * Valleys/lwr slopes...West winds 3 to 8 mph. * Ridges/upr slopes....West winds 3 to 8 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......8000 ft agl. * Transport winds.....West 10 to 15 mph. * Ventilation Index...Poor (37-169) increasing to fair to good (339-619) in the afternoon. .TONIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....53-59...except 49-54 ridges. * Max humidity........71-86 percent. * Humidity recovery...Good...except Excellent ridges. * 20-foot winds....... * Valleys/lwr slopes...West winds 5 to 11 mph. * Ridges/upr slopes....West winds 5 to 11 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....West 15 to 20 mph. * Ventilation Index...Fair to good (210-506) decreasing to poor (25-183) after midnight. .WEDNESDAY... * Sky/weather.........Partly cloudy. A slight chance of showers in the afternoon. * Max temperature.....65-76...except 56-66 ridges. * Min humidity........39-54 percent. * 20-foot winds....... * Valleys/lwr slopes...West winds 6 to 12 mph. Gusts to 25 mph in the afternoon. * Ridges/upr slopes....West winds 6 to 12 mph. * CWR.................10 percent. * Chc of lightning....0 percent. * Mixing height.......5500 ft agl. * Transport winds.....West 15 to 20 mph. * Ventilation Index...Poor to fair (75-293) increasing to fair to excellent (282-708) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...A slight chance of showers. Partly cloudy. Lows 43 to 51. Highs 62 to 76. West winds 7 to 13 mph. .FRIDAY...Mostly clear. Lows 46 to 53. Highs 72 to 85. Northwest winds 2 to 7 mph. .SATURDAY...Mostly clear. Lows 51 to 58. Highs 73 to 86. Northwest winds 2 to 7 mph. .SUNDAY...Mostly clear. Lows 53 to 61. Highs 75 to 88. West winds 4 to 10 mph. .MONDAY...Clear. Lows 53 to 60. Highs 75 to 88. West winds 4 to 10 mph. $$ WAZ690-082330- Kittitas Valley- 652 AM PDT Tue Jul 8 2025 .TODAY... * Sky/weather.........Mostly sunny. * Max temperature.....91-100...except 81-94 ridges. * Min humidity........14-19 percent. * 20-foot winds....... * Valleys/lwr slopes...West winds 4 to 10 mph. * Ridges/upr slopes....West winds 4 to 10 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......9500 ft agl. * Transport winds.....West 10 to 15 mph. * Ventilation Index...Poor to fair (88-202) increasing to good to excellent (587-771) in the afternoon. .TONIGHT... * Sky/weather.........Mostly clear. * Min temperature.....59-65. * Max humidity........53-68 percent. * Humidity recovery...Moderate. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 10 to 16 mph with gusts up to 30 mph. * Ridges/upr slopes....Northwest winds 10 to 16 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....Northwest around 20 mph. * Ventilation Index...Fair to good (440-662) decreasing to poor (44-166) after midnight. .WEDNESDAY... * Sky/weather.........Mostly sunny then becoming partly cloudy. * Max temperature.....78-89...except 69-82 ridges. * Min humidity........25-34 percent. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 9 to 15 mph. * Ridges/upr slopes....Northwest winds 9 to 15 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......8000 ft agl. * Transport winds.....West 15 to 20 mph. * Ventilation Index...Poor to fair (139-363) increasing to excellent (766-1024) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly clear. Lows 52 to 58. Highs 77 to 86. Northwest winds 11 to 17 mph. .FRIDAY...Clear. Lows 54 to 59. Highs 85 to 93. Northwest winds 4 to 9 mph. .SATURDAY...Mostly clear. Lows 59 to 64. Highs 88 to 98. Northwest winds 4 to 10 mph. .SUNDAY...Mostly clear. Lows 63 to 68. Highs 90 to 99. Northwest winds 7 to 13 mph. .MONDAY...Clear. Lows 62 to 68. Highs 89 to 98. Northwest winds 7 to 13 mph. $$ WAZ694-082330- Yakama Alpine District- 652 AM PDT Tue Jul 8 2025 .TODAY... * Sky/weather.........Mostly sunny. * Max temperature.....87-96...except 76-89 ridges. * Min humidity........14-25 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming west 3 to 8 mph in the afternoon. * Ridges/upr slopes....West winds 3 to 8 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......8000 ft agl. * Transport winds.....West 5 to 10 mph. * Ventilation Index...Poor (30-96) increasing to fair to good (334-512) in the afternoon. .TONIGHT... * Sky/weather.........Mostly clear. * Min temperature.....51-59. * Max humidity........62-77 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...West winds 5 to 11 mph. * Ridges/upr slopes....West winds 5 to 11 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....West 10 to 15 mph. * Ventilation Index...Poor to fair (197-389) decreasing to poor (25-97) after midnight. .WEDNESDAY... * Sky/weather.........Mostly sunny then becoming partly cloudy. * Max temperature.....73-84...except 61-76 ridges. * Min humidity........29-44 percent. * 20-foot winds....... * Valleys/lwr slopes...West winds 2 to 7 mph increasing to 7 to 13 mph with gusts up to 30 mph in the afternoon. * Ridges/upr slopes....West winds 6 to 12 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......7000 ft agl. * Transport winds.....West around 10 mph increasing to around 20 mph in the afternoon. * Ventilation Index...Poor (53-179) increasing to fair to excellent (437-711) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly clear. Lows 44 to 53. Highs 69 to 82. West winds 7 to 13 mph. .FRIDAY...Clear. Lows 49 to 56. Highs 77 to 90. North winds 2 to 7 mph. .SATURDAY...Mostly clear. Lows 53 to 60. Highs 80 to 93. West winds 2 to 7 mph. .SUNDAY...Mostly clear. Lows 55 to 61. Highs 83 to 95. West winds 3 to 8 mph. .MONDAY...Clear. Lows 55 to 62. Highs 81 to 94. West winds 3 to 8 mph. $$ ORZ691-WAZ691-082330- Lower Columbia Basin of Oregon-Lower Columbia Basin of Washington- 652 AM PDT Tue Jul 8 2025 ...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY EVENING FOR WINDS AND LOW RELATIVE HUMIDITY... .TODAY... * Sky/weather.........Mostly sunny. * Max temperature.....93-102. * Min humidity........10-15 percent. * 20-foot winds....... * Valleys/lwr slopes...West winds 4 to 9 mph. * Ridges/upr slopes....West winds 4 to 9 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......9000 ft agl. * Transport winds.....West around 10 mph. * Ventilation Index...Poor (53-141) increasing to fair to good (386-562) in the afternoon. .TONIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....59-67...except 56-62 ridges. * Max humidity........53-68 percent. * Humidity recovery...Moderate. * 20-foot winds....... * Valleys/lwr slopes...West winds 8 to 14 mph. * Ridges/upr slopes....West winds 8 to 14 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....West around 15 mph. * Ventilation Index...Fair to good (299-541) decreasing to poor (30-96) after midnight. .WEDNESDAY... * Sky/weather.........Mostly sunny. * Max temperature.....82-92. * Min humidity........21-28 percent. * 20-foot winds....... * Valleys/lwr slopes...West winds 8 to 14 mph. * Ridges/upr slopes....West winds 8 to 14 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......9000 ft agl. * Transport winds.....West 15 to 20 mph. * Ventilation Index...Poor to fair (92-256) increasing to good to excellent (669-883) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly clear. Lows 54 to 62. Highs 79 to 87. West winds 10 to 16 mph. .FRIDAY...Clear. Lows 54 to 59. Highs 87 to 93. Northwest winds 2 to 7 mph. .SATURDAY...Mostly clear. Lows 59 to 64. Highs 91 to 98. West winds 2 to 7 mph. .SUNDAY...Mostly clear. Lows 61 to 66. Highs 93 to 100. West winds 4 to 9 mph. .MONDAY...Clear. Lows 62 to 68. Highs 91 to 99. West winds 4 to 9 mph. $$ ORZ692-WAZ692-082330- Northern Blue Mountains of Oregon-Blue Mountains of Washington- 652 AM PDT Tue Jul 8 2025 .TODAY... * Sky/weather.........Mostly sunny. * Max temperature.....88-97...except 81-87 ridges. * Min humidity........13-18 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming west 1 to 6 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph becoming west 2 to 5 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......11000 ft agl. * Transport winds.....Southwest around 10 mph. * Ventilation Index...Poor (34-106) increasing to fair to good (274-634) in the afternoon. .TONIGHT... * Sky/weather.........Partly cloudy. A slight chance of showers and thunderstorms in the evening. * Min temperature.....55-63. * Max humidity........52-67 percent. * Humidity recovery...Moderate. * 20-foot winds....... * Valleys/lwr slopes...West winds 2 to 7 mph. * Ridges/upr slopes....West winds 3 to 8 mph. * CWR.................0 percent. * Chc of lightning....10 percent (very low chance). * Mixing height.......Near surface. * Transport winds.....West around 10 mph. * Ventilation Index...Poor to fair (99-213) decreasing to poor (25-105) after midnight. .WEDNESDAY... * Sky/weather.........Mostly sunny. * Max temperature.....77-87...except 71-77 ridges. * Min humidity........23-29 percent. * 20-foot winds....... * Valleys/lwr slopes...West winds 4 to 9 mph. * Ridges/upr slopes....West winds 4 to 9 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......8000 ft agl. * Transport winds.....West around 10 mph increasing to around 20 mph in the afternoon. * Ventilation Index...Poor to fair (77-211) increasing to fair to excellent (486-760) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Partly cloudy. Lows 50 to 57. Highs 68 to 79. West winds 6 to 12 mph. .FRIDAY...Clear. Lows 49 to 56. Highs 75 to 87. Northwest winds 2 to 7 mph. .SATURDAY...Mostly clear. Lows 53 to 61. Highs 80 to 92. Southwest winds 2 to 7 mph. .SUNDAY...Mostly clear. Lows 56 to 63. Highs 82 to 93. West winds 2 to 7 mph. .MONDAY...Clear. Lows 57 to 65. Highs 81 to 92. West winds 2 to 7 mph. $$ ORZ693-WAZ693-082330- Canyon Grasslands of Wallowa County- Southeast Washington Grande Ronde Valley- 652 AM PDT Tue Jul 8 2025 .TODAY... * Sky/weather.........Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....91-99...except 85-92 ridges. * Min humidity........11-16 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph. * Ridges/upr slopes....West winds 1 to 5 mph. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......14000 ft agl. * Transport winds.....Southwest 5 to 10 mph. * Ventilation Index...Poor (29-109) increasing to good to excellent (649-901) in the afternoon. .TONIGHT... * Sky/weather.........Partly cloudy. A slight chance of showers and thunderstorms in the evening. * Min temperature.....54-64. * Max humidity........50-65 percent. * Humidity recovery...Moderate. * 20-foot winds....... * Valleys/lwr slopes...Drainage winds less than 5 mph. * Ridges/upr slopes....West winds 1 to 6 mph. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......Near surface. * Transport winds.....Northwest 5 to 10 mph. * Ventilation Index...Poor (78-190) decreasing to poor (25-97) after midnight. .WEDNESDAY... * Sky/weather.........Mostly sunny. * Max temperature.....81-91...except 77-84 ridges. * Min humidity........19-24 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 3 to 8 mph in the afternoon. * Ridges/upr slopes....Northwest winds 3 to 8 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......10000 ft agl. * Transport winds.....West 10 to 15 mph. * Ventilation Index...Poor (41-129) increasing to fair to good (413-641) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Not as warm. Mostly clear. Lows 49 to 59. Highs 71 to 81. West winds 5 to 11 mph. .FRIDAY...Mostly clear. Lows 47 to 56. Highs 78 to 87. North winds 3 to 8 mph. .SATURDAY...Mostly clear. Lows 51 to 59. Highs 84 to 93. West winds 1 to 6 mph. .SUNDAY...Mostly clear. Lows 54 to 63. Highs 85 to 95. West winds 2 to 7 mph. .MONDAY...Mostly clear. Lows 56 to 65. Highs 85 to 94. West winds 2 to 7 mph. $$ ORZ701-082330- Eastern Columbia River Gorge of Oregon- 652 AM PDT Tue Jul 8 2025 .TODAY... * Sky/weather.........Mostly sunny. * Max temperature.....91-96...except 86-92 ridges. * Min humidity........16-25 percent. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 4 to 9 mph. In the eastern Columbia River Gorge, west winds 2 to 7 mph increasing to 8 to 14 mph in the afternoon, Gusts to 30 mph in the afternoon. * Ridges/upr slopes....Northwest winds 4 to 9 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......6000 ft agl. * Transport winds.....West 10 to 15 mph. * Ventilation Index...Poor (52-170) increasing to fair to good (352-560) in the afternoon. .TONIGHT... * Sky/weather.........Mostly clear. * Min temperature.....55-61. * Max humidity........66-78 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...Gusts to 30 mph in the evening. West winds 8 to 14 mph. In the eastern Columbia River Gorge, gusts to 30 mph. * Ridges/upr slopes....West winds 7 to 13 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....West 15 to 20 mph. * Ventilation Index...Fair to good (309-541) decreasing to poor (33-141) after midnight. .WEDNESDAY... * Sky/weather.........Mostly sunny. * Max temperature.....79-85...except 74-83 ridges. * Min humidity........30-42 percent. * 20-foot winds....... * Valleys/lwr slopes...West winds 6 to 12 mph...except west 8 to 14 mph in the eastern Columbia River Gorge. Gusts to 30 mph in the afternoon. In the eastern Columbia River Gorge, gusts to 30 mph. * Ridges/upr slopes....West winds 6 to 12 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......6500 ft agl. * Transport winds.....West 15 to 20 mph. * Ventilation Index...Poor to fair (98-300) increasing to good to excellent (601-857) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly clear. Lows 52 to 58. Highs 77 to 82. West winds 8 to 14 mph. .FRIDAY...Clear. Lows 52 to 57. Highs 87 to 92. Northwest winds 2 to 7 mph. .SATURDAY...Mostly clear. Lows 56 to 61. Highs 90 to 95. West winds 2 to 7 mph. .SUNDAY...Clear. Lows 58 to 63. Highs 91 to 96. West winds 4 to 9 mph. .MONDAY...Clear. Lows 59 to 64. Highs 90 to 95. West winds 4 to 9 mph. $$ ORZ702-082330- East Slopes of the Mt. Hood National Forest- 652 AM PDT Tue Jul 8 2025 .TODAY... * Sky/weather.........Mostly sunny. * Max temperature.....87-95...except 80-90 ridges. * Min humidity........17-26 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 1 to 5 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph becoming northwest 1 to 5 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......5500 ft agl. * Transport winds.....West around 10 mph. * Ventilation Index...Poor (27-97) increasing to poor to fair (191-363) in the afternoon. .TONIGHT... * Sky/weather.........Mostly clear. * Min temperature.....49-58. * Max humidity........65-80 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...West winds 3 to 8 mph. * Ridges/upr slopes....West winds 3 to 8 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......Near surface. * Transport winds.....West 15 to 20 mph. * Ventilation Index...Poor to fair (140-370) decreasing to poor (25-95) after midnight. .WEDNESDAY... * Sky/weather.........Mostly sunny. * Max temperature.....75-85...except 69-78 ridges. * Min humidity........32-46 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming west 2 to 7 mph in the afternoon. * Ridges/upr slopes....West winds 2 to 7 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......5500 ft agl. * Transport winds.....West 15 to 20 mph. * Ventilation Index...Poor (42-170) increasing to fair to good (356-662) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Partly cloudy. Lows 46 to 54. Highs 66 to 81. West winds 4 to 9 mph. .FRIDAY...Clear. Lows 47 to 55. Highs 77 to 89. Northwest winds up to 5 mph. .SATURDAY...Clear. Lows 52 to 60. Highs 79 to 93. West winds 1 to 5 mph. .SUNDAY...Clear. Lows 53 to 61. Highs 80 to 94. West winds 2 to 7 mph. .MONDAY...Clear. Lows 53 to 62. Highs 79 to 92. West winds 2 to 7 mph. $$ ORZ695-082330- Eagle Cap Wilderness- 652 AM PDT Tue Jul 8 2025 .TODAY... * Sky/weather.........Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....86-96...except 75-86 ridges. * Min humidity........14-20 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph. * Ridges/upr slopes....South winds 1 to 6 mph. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......12500 ft agl. * Transport winds.....Southwest 5 to 10 mph. * Ventilation Index...Poor (25-113) increasing to fair to good (453-675) in the afternoon. .TONIGHT... * Sky/weather.........Partly cloudy. A slight chance of showers and thunderstorms in the evening. * Min temperature.....55-61...except 50-58 ridges. * Max humidity........48-60 percent. * Humidity recovery...Moderate. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 2 to 7 mph. * Ridges/upr slopes....Northwest winds 2 to 7 mph. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......Near surface. * Transport winds.....Northwest around 10 mph. * Ventilation Index...Poor (61-165) decreasing to poor (25-91) after midnight. .WEDNESDAY... * Sky/weather.........Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....76-89...except 67-78 ridges. * Min humidity........21-32 percent. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 3 to 8 mph. * Ridges/upr slopes....Northwest winds 4 to 9 mph. * CWR.................0 percent. * Chc of lightning....10 percent (very low chance). * Mixing height.......9000 ft agl. * Transport winds.....Northwest around 10 mph. * Ventilation Index...Poor (25-101) increasing to fair (297-463) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly clear. Lows 44 to 54. Highs 62 to 77. Northwest winds 5 to 11 mph. .FRIDAY...Clear. Lows 44 to 52. Highs 67 to 82. North winds 4 to 9 mph. .SATURDAY...Mostly clear. Lows 48 to 56. Highs 73 to 88. Northwest winds 2 to 7 mph. .SUNDAY...Mostly clear. Lows 52 to 59. Highs 75 to 90. West winds 2 to 7 mph. .MONDAY...Mostly clear. Lows 53 to 61. Highs 75 to 90. Northwest winds 3 to 8 mph. $$ ORZ694-082330- Grande Ronde Valley of Oregon- 652 AM PDT Tue Jul 8 2025 .TODAY... * Sky/weather.........Mostly sunny then becoming partly cloudy. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....95-100. * Min humidity........12-17 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming southeast 2 to 5 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph becoming southeast 3 to 6 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......10000 ft agl. * Transport winds.....Southwest 5 to 10 mph. * Ventilation Index...Poor (43-73) increasing to fair (354-478) in the afternoon. .TONIGHT... * Sky/weather.........Mostly cloudy then becoming partly cloudy. A slight chance of showers and thunderstorms in the evening. * Min temperature.....57-62. * Max humidity........56-67 percent. * Humidity recovery...Moderate. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 3 to 8 mph. * Ridges/upr slopes....Northwest winds 4 to 9 mph. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......Near surface. * Transport winds.....Northwest around 10 mph. * Ventilation Index...Poor to fair (136-234) decreasing to poor (56-120) after midnight. .WEDNESDAY... * Sky/weather.........Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....85-90. * Min humidity........20-25 percent. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 5 to 11 mph. * Ridges/upr slopes....Northwest winds 6 to 12 mph. * CWR.................0 percent. * Chc of lightning....10 percent (very low chance). * Mixing height.......7500 ft agl. * Transport winds.....Northwest 10 to 15 mph. * Ventilation Index...Poor (99-179) increasing to good (518-630) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly clear. Lows 53 to 58. Highs 77 to 82. Northwest winds 7 to 13 mph. .FRIDAY...Clear. Lows 49 to 54. Highs 84 to 89. North winds 6 to 12 mph. .SATURDAY...Mostly clear. Lows 53 to 58. Highs 89 to 94. Northwest winds 2 to 7 mph. .SUNDAY...Mostly clear. Lows 57 to 62. Highs 91 to 96. Northwest winds 3 to 8 mph. .MONDAY...Clear. Lows 58 to 63. Highs 90 to 95. Northwest winds 4 to 9 mph. $$ ORZ699-082330- Western Forested Blue Mountains- 652 AM PDT Tue Jul 8 2025 .TODAY... * Sky/weather.........Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....89-95...except 83-90 ridges. * Min humidity........14-19 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph. * Ridges/upr slopes....light less than 5 mph. * CWR.................0 percent. * Chc of lightning....10 percent (very low chance). * Mixing height.......13000 ft agl. * Transport winds.....Southwest 5 to 10 mph. * Ventilation Index...Poor (25-79) increasing to fair to excellent (305-809) in the afternoon. .TONIGHT... * Sky/weather.........Mostly cloudy then becoming partly cloudy. A slight chance of showers and thunderstorms in the evening. * Min temperature.....51-57. * Max humidity........57-68 percent. * Humidity recovery...Moderate. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 1 to 6 mph. * Ridges/upr slopes....Northwest winds 1 to 6 mph. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......Near surface. * Transport winds.....Northwest around 10 mph. * Ventilation Index...Poor to fair (62-208) decreasing to poor (25-82) after midnight. .WEDNESDAY... * Sky/weather.........Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....79-85...except 72-79 ridges. * Min humidity........22-28 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 2 to 7 mph in the afternoon. * Ridges/upr slopes....Northwest winds 2 to 7 mph. * CWR.................0 percent. * Chc of lightning....10 percent (very low chance). * Mixing height.......9000 ft agl. * Transport winds.....West 10 to 15 mph. * Ventilation Index...Poor (40-124) increasing to fair to good (440-622) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly clear. Lows 47 to 52. Highs 68 to 76. Northwest winds 3 to 8 mph. .FRIDAY...Clear. Lows 45 to 51. Highs 74 to 83. North winds 1 to 6 mph. .SATURDAY...Clear. Lows 50 to 56. Highs 80 to 89. Terrain driven winds less than 5 mph. .SUNDAY...Clear. Lows 53 to 58. Highs 82 to 91. West winds 1 to 5 mph. .MONDAY...Clear. Lows 54 to 59. Highs 81 to 90. Northwest winds 2 to 7 mph. $$ ORZ696-082330- John Day Valley- 652 AM PDT Tue Jul 8 2025 ...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 11 PM PDT THIS EVENING FOR DRY THUNDERSTORMS WITH ABUNDANT LIGHTNING... .TODAY... * Sky/weather.........Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....91-99...except 86-91 ridges. * Min humidity........10-15 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 1 to 5 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph becoming northwest 2 to 5 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......15500 ft agl. * Transport winds.....Southwest 5 to 10 mph. * Ventilation Index...Poor (25-65) increasing to fair to excellent (290-892) in the afternoon. .TONIGHT... * Sky/weather.........Mostly cloudy then becoming mostly clear. A slight chance of showers and thunderstorms in the evening. * Min temperature.....54-59. * Max humidity........58-70 percent. * Humidity recovery...Moderate. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 2 to 7 mph. * Ridges/upr slopes....Northwest winds 2 to 7 mph. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......Near surface. * Transport winds.....Northwest 10 to 15 mph. * Ventilation Index...Poor to fair (118-330) decreasing to poor (25-83) after midnight. .WEDNESDAY... * Sky/weather.........Mostly sunny. * Max temperature.....80-89...except 75-80 ridges. * Min humidity........19-24 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 3 to 8 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph becoming northwest 3 to 8 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......9500 ft agl. * Transport winds.....Northwest around 5 mph increasing to west around 15 mph in the afternoon. * Ventilation Index...Poor (39-101) increasing to fair to good (488-670) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly clear. Lows 49 to 56. Highs 74 to 82. Northwest winds 4 to 9 mph. .FRIDAY...Clear. Lows 48 to 54. Highs 81 to 89. North winds 2 to 7 mph. .SATURDAY...Clear. Lows 53 to 58. Highs 86 to 94. North winds 1 to 6 mph. .SUNDAY...Clear. Lows 56 to 61. Highs 88 to 96. West winds 2 to 7 mph. .MONDAY...Clear. Lows 57 to 62. Highs 87 to 95. West winds 2 to 7 mph. $$ ORZ700-082330- Central Mountains of Oregon- 652 AM PDT Tue Jul 8 2025 ...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 11 PM PDT THIS EVENING FOR DRY THUNDERSTORMS WITH ABUNDANT LIGHTNING... .TODAY... * Sky/weather.........Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....92-97...except 84-91 ridges. * Min humidity........10-15 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 2 to 7 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph becoming west 1 to 5 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......15500 ft agl. * Transport winds.....North around 5 mph shifting to the south in the afternoon. * Ventilation Index...Poor (25-48) increasing to fair to excellent (340-1006) in the afternoon. .TONIGHT... * Sky/weather.........Partly cloudy. A slight chance of showers and thunderstorms in the evening. * Min temperature.....49-56. * Max humidity........62-76 percent. * Humidity recovery...Good...except Moderate ridges. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 3 to 8 mph. * Ridges/upr slopes....Northwest winds 3 to 8 mph. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......Near surface. * Transport winds.....Northwest around 15 mph decreasing to around 5 mph after midnight. * Ventilation Index...Fair to good (342-606) decreasing to poor (25-62) after midnight. .WEDNESDAY... * Sky/weather.........Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....81-87...except 74-80 ridges. * Min humidity........20-25 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 4 to 9 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph becoming northwest 2 to 7 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....10 percent (very low chance). * Mixing height.......10500 ft agl. * Transport winds.....West around 5 mph increasing to around 15 mph in the afternoon. * Ventilation Index...Poor (34-80) increasing to good to excellent (585-779) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly clear. Lows 45 to 53. Highs 76 to 82. Northwest winds 5 to 11 mph. .FRIDAY...Clear. Lows 45 to 52. Highs 82 to 88. North winds 3 to 8 mph. .SATURDAY...Clear. Lows 49 to 56. Highs 87 to 94. Northwest winds 2 to 7 mph. .SUNDAY...Clear. Lows 53 to 59. Highs 89 to 96. Northwest winds 2 to 7 mph. .MONDAY...Clear. Lows 53 to 59. Highs 88 to 95. Northwest winds 3 to 8 mph. $$ ORZ703-082330- Warm Springs Reservation- 652 AM PDT Tue Jul 8 2025 .TODAY... * Sky/weather.........Mostly sunny. * Max temperature.....89-98...except 78-87 ridges. * Min humidity........14-22 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 3 to 8 mph in the afternoon. * Ridges/upr slopes....West winds 3 to 8 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......8000 ft agl. * Transport winds.....West 5 to 10 mph. * Ventilation Index...Poor (28-88) increasing to fair (309-443) in the afternoon. .TONIGHT... * Sky/weather.........Mostly clear. A slight chance of showers and thunderstorms in the evening. * Min temperature.....56-61...except 51-56 ridges. * Max humidity........64-76 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 7 to 13 mph with gusts up to 25 mph shifting to the west 2 to 7 mph after midnight. * Ridges/upr slopes....West winds 7 to 13 mph. * CWR.................0 percent. * Chc of lightning....10 percent (very low chance). * Mixing height.......Near surface. * Transport winds.....West around 20 mph decreasing to around 10 mph after midnight. * Ventilation Index...Fair (258-448) decreasing to poor (25-86) after midnight. .WEDNESDAY... * Sky/weather.........Mostly sunny. * Max temperature.....79-89...except 66-76 ridges. * Min humidity........25-32 percent...except 33-43 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...West winds 4 to 10 mph. * Ridges/upr slopes....West winds 4 to 10 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......8500 ft agl. * Transport winds.....West 10 to 15 mph. * Ventilation Index...Poor (46-150) increasing to good to excellent (524-752) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly clear. Lows 50 to 57. Highs 72 to 84. West winds 7 to 13 mph. .FRIDAY...Clear. Lows 49 to 54. Highs 81 to 91. North winds 3 to 8 mph. .SATURDAY...Clear. Lows 53 to 58. Highs 85 to 97. Northwest winds 2 to 7 mph. .SUNDAY...Clear. Lows 55 to 60. Highs 86 to 98. West winds 3 to 8 mph. .MONDAY...Clear. Lows 56 to 62. Highs 85 to 96. Northwest winds 3 to 8 mph. $$ ORZ704-082330- Northern Deschutes National Forest- 652 AM PDT Tue Jul 8 2025 .TODAY... * Sky/weather.........Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....90-96...except 76-87 ridges. * Min humidity........15-20 percent...except 20-31 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 1 to 6 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph becoming west 2 to 7 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....10 percent (very low chance). * Mixing height.......8500 ft agl. * Transport winds.....West 5 to 10 mph. * Ventilation Index...Poor (25-69) increasing to fair (227-397) in the afternoon. .TONIGHT... * Sky/weather.........Mostly clear. A slight chance of showers and thunderstorms in the evening. * Min temperature.....48-54. * Max humidity........67-81 percent. * Humidity recovery...Good. * 20-foot winds....... * Valleys/lwr slopes...West winds 3 to 8 mph in the evening becoming drainage winds less than 5 mph. * Ridges/upr slopes....West winds 7 to 13 mph decreasing to 2 to 7 mph after midnight. * CWR.................0 percent. * Chc of lightning....10 percent (very low chance). * Mixing height.......Near surface. * Transport winds.....West around 20 mph decreasing to around 10 mph after midnight. * Ventilation Index...Poor to fair (192-408) decreasing to poor (25-88) after midnight. .WEDNESDAY... * Sky/weather.........Mostly sunny. * Max temperature.....79-84...except 65-76 ridges. * Min humidity........25-30 percent...except 31-42 percent ridges. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming west 3 to 8 mph in the afternoon. * Ridges/upr slopes....West winds 4 to 9 mph. * CWR.................0 percent. * Chc of lightning....0 percent. * Mixing height.......7500 ft agl. * Transport winds.....West around 10 mph increasing to around 20 mph in the afternoon. * Ventilation Index...Poor (40-136) increasing to good to excellent (506-806) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly clear. Lows 47 to 52. Highs 69 to 82. West winds 5 to 11 mph. .FRIDAY...Clear. Lows 45 to 51. Highs 76 to 89. North winds 2 to 7 mph. .SATURDAY...Clear. Lows 51 to 56. Highs 81 to 94. Northwest winds 2 to 7 mph. .SUNDAY...Clear. Lows 51 to 56. Highs 82 to 96. Northwest winds 2 to 7 mph. .MONDAY...Clear. Lows 52 to 57. Highs 81 to 94. Northwest winds 3 to 8 mph. $$ ORZ705-082330- Southern Deschutes National Forest- 652 AM PDT Tue Jul 8 2025 ...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 11 PM PDT THIS EVENING FOR DRY THUNDERSTORMS WITH ABUNDANT LIGHTNING... .TODAY... * Sky/weather.........Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....87-92...except 77-86 ridges. * Min humidity........14-24 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 2 to 5 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph becoming west 1 to 6 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......13000 ft agl. * Transport winds.....North around 5 mph shifting to the southwest in the afternoon. * Ventilation Index...Poor (25-53) increasing to fair to good (217-645) in the afternoon. .TONIGHT... * Sky/weather.........Partly cloudy. A slight chance of showers and thunderstorms in the evening. * Min temperature.....46-51. * Max humidity........74-89 percent...except 62-77 percent ridges. * Humidity recovery...Excellent...except Good ridges. * 20-foot winds....... * Valleys/lwr slopes...West winds 2 to 6 mph in the evening becoming drainage winds less than 5 mph. * Ridges/upr slopes....West winds 2 to 7 mph. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......Near surface. * Transport winds.....West around 15 mph decreasing to around 5 mph after midnight. * Ventilation Index...Poor to fair (183-387) decreasing to poor (25-42) after midnight. .WEDNESDAY... * Sky/weather.........Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....77-82...except 66-75 ridges. * Min humidity........23-32 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming west 2 to 7 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph becoming west 2 to 7 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....10 percent (very low chance). * Mixing height.......9500 ft agl. * Transport winds.....West around 5 mph increasing to around 15 mph in the afternoon. * Ventilation Index...Poor (43-91) increasing to good to excellent (624-862) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...Mostly clear. Lows 44 to 49. Highs 71 to 81. Northwest winds 2 to 7 mph. .FRIDAY...Clear. Lows 44 to 49. Highs 77 to 86. Northeast winds 2 to 7 mph. .SATURDAY...Clear. Lows 48 to 53. Highs 83 to 93. North winds 1 to 5 mph. .SUNDAY...Clear. Lows 49 to 54. Highs 83 to 93. Northwest winds 1 to 6 mph. .MONDAY...Clear. Lows 51 to 56. Highs 83 to 92. Northwest winds 2 to 7 mph. $$ ORZ697-082330- Central Blue Mountains- 652 AM PDT Tue Jul 8 2025 .TODAY... * Sky/weather.........Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....89-94...except 83-90 ridges. * Min humidity........10-15 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming south 2 to 5 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph becoming south 2 to 5 mph in the afternoon. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......15500 ft agl. * Transport winds.....Southeast around 5 mph increasing to south around 15 mph in the afternoon. * Ventilation Index...Poor (40-96) increasing to excellent (1000-1050) in the afternoon. .TONIGHT... * Sky/weather.........Mostly cloudy then becoming partly cloudy. A slight chance of showers and thunderstorms in the evening. * Min temperature.....50-55. * Max humidity........56-71 percent. * Humidity recovery...Good...except Moderate ridges. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 1 to 6 mph. * Ridges/upr slopes....Northwest winds 2 to 7 mph. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......Near surface. * Transport winds.....Northwest around 10 mph. * Ventilation Index...Poor to fair (97-235) decreasing to poor (25-81) after midnight. .WEDNESDAY... * Sky/weather.........Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....79-84...except 74-80 ridges. * Min humidity........20-25 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 3 to 7 mph in the afternoon. * Ridges/upr slopes....Northwest winds 2 to 7 mph. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......9500 ft agl. * Transport winds.....Northwest around 10 mph. * Ventilation Index...Poor (34-98) increasing to fair to good (468-650) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...A slight chance of showers and thunderstorms. Mostly clear. Lows 46 to 51. Highs 69 to 76. Northwest winds 4 to 9 mph. .FRIDAY...Clear. Lows 44 to 49. Highs 75 to 82. North winds 2 to 7 mph. .SATURDAY...Clear. Lows 48 to 53. Highs 81 to 88. Terrain driven winds less than 5 mph. .SUNDAY...Clear. Lows 53 to 58. Highs 83 to 90. West winds 1 to 6 mph. .MONDAY...Clear. Lows 53 to 58. Highs 83 to 90. Northwest winds 2 to 7 mph. $$ ORZ698-082330- Southern Blue Mountains- 652 AM PDT Tue Jul 8 2025 .TODAY... * Sky/weather.........Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....89-94...except 84-89 ridges. * Min humidity........9-14 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming south 2 to 5 mph in the afternoon. * Ridges/upr slopes....light less than 5 mph. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......15000 ft agl. * Transport winds.....East around 5 mph increasing to south around 15 mph in the afternoon. * Ventilation Index...Poor (46-92) increasing to excellent (1031-1050) in the afternoon. .TONIGHT... * Sky/weather.........Partly cloudy. A slight chance of showers and thunderstorms in the evening. * Min temperature.....51-56. * Max humidity........52-66 percent. * Humidity recovery...Good...except Moderate ridges. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 2 to 7 mph. * Ridges/upr slopes....Northwest winds 2 to 7 mph. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......Near surface. * Transport winds.....Northwest around 15 mph. * Ventilation Index...Fair to good (214-512) decreasing to poor (30-94) after midnight. .WEDNESDAY... * Sky/weather.........Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. * Max temperature.....79-84...except 74-79 ridges. * Min humidity........16-24 percent. * 20-foot winds....... * Valleys/lwr slopes...Upslope less than 5 mph becoming northwest 3 to 7 mph in the afternoon. * Ridges/upr slopes....Northwest winds 2 to 7 mph. * CWR.................0 percent. * Chc of lightning....20 percent (slight chance). * Mixing height.......11500 ft agl. * Transport winds.....Northwest around 10 mph. * Ventilation Index...Poor (61-119) increasing to good to excellent (647-815) in the afternoon. .Forecast days 3 through 7...... .THURSDAY...A slight chance of showers and thunderstorms. Mostly clear. Lows 47 to 52. Highs 75 to 82. Northwest winds 4 to 9 mph. .FRIDAY...Clear. Lows 44 to 50. Highs 79 to 85. North winds 3 to 8 mph. .SATURDAY...Clear. Lows 49 to 54. Highs 85 to 91. Northwest winds 1 to 5 mph. .SUNDAY...Clear. Lows 53 to 58. Highs 88 to 94. West winds 2 to 7 mph. .MONDAY...Clear. Lows 54 to 59. Highs 87 to 94. Northwest winds 2 to 7 mph. $$ .8-14 DAY OUTLOOK for Tuesday July 15 through Monday July 21... A greater chance of above-normal temperatures and below-normal precipitation. $$