260 FNUS55 KBOI 222110 FWFBOI Fire Weather Planning Forecast for SW Idaho and SE Oregon National Weather Service Boise ID 310 PM MDT Sun Sep 22 2019 ...CHANCE OF SHOWERS OVERNIGHT... ...A SLIGHT CHANCE OF THUNDERSTORMS IN SOUTHEAST OREGON AND FAR SOUTHWEST IDAHO... .DISCUSSION... A passing low pressure system and accompanying front will bring a chance of showers to the region overnight. A slight chance of thunderstorms exists over southeast Oregon and far southwest Idaho through Midnight, which could produce gusty winds to 35 mph. Drier conditions will develop on Monday as northwest flow noses into the region. The dry, breezy, and mild weather will persist through Wednesday before a pattern change introduces cooler and unsettled conditions. IDZ401-231545- Western Payette National Forest- 310 PM MDT Sun Sep 22 2019 .TONIGHT... Sky/weather.........Mostly cloudy with a 50 percent chance of rain showers. Min temperature.....41 to 50. 24 hr trend......On average, 5 degrees warmer. Max humidity........82 to 96 percent. 24 hr trend......On average, 9 percent drier. 20-foot winds....... Valleys/lwr slopes...South around 8 mph in the evening, becoming light downslope less than 8 mph after midnight. Ridges/upr slopes....South 8 to 10 mph with gusts to 18 mph in the evening, becoming light after midnight. Haines Index........2 very low. LAL.................1. CWR /0.10 inch/.....30 percent. Smoke Dispersal: Mixing Height......400-700 ft AGL. Transport Winds....North up to 10 mph. .MONDAY... Sky/weather.........Mostly sunny. A 20 percent chance of rain showers in the morning. Max temperature.....52 to 67. 24 hr trend......On average, unchanged. Min humidity........35 to 50 percent. 24 hr trend......On average, 2 percent drier. 20-foot winds....... Valleys/lwr slopes...Light upslope winds less than 8 mph. Ridges/upr slopes....Light winds less than 8 mph. Haines Index........2 very low. LAL.................1. CWR /0.10 inch/.....0 percent. Smoke Dispersal: Mixing Height......3500-4000 ft AGL. Transport Winds....Southwest 10 to 15 mph. .MONDAY NIGHT... Sky/weather.........Partly cloudy. Patchy fog after midnight. Min temperature.....40 to 50. 24 hr trend......On average, unchanged. Max humidity........62 to 86 percent. 24 hr trend......On average, 16 percent drier. 20-foot winds....... Valleys/lwr slopes...Light downslope winds less than 8 mph. Ridges/upr slopes....Light winds less than 8 mph. Haines Index........3 very low. LAL.................1. CWR /0.10 inch/.....0 percent. Smoke Dispersal: Mixing Height......400-700 ft AGL. Transport Winds....South up to 10 mph. .TUESDAY... Sky/weather.........Mostly sunny. Patchy fog in the morning. Max temperature.....54 to 69. 24 hr trend......On average, 2 degrees warmer. Min humidity........36 to 50 percent. 24 hr trend......On average, unchanged. 20-foot winds....... Valleys/lwr slopes...Light upslope winds less than 8 mph in the morning, becoming west around 8 mph in the afternoon. Ridges/upr slopes....Light winds less than 8 mph in the morning, becoming west 8 to 9 mph in the afternoon. Haines Index........2 very low. LAL.................1. CWR /0.10 inch/.....0 percent. Smoke Dispersal: Mixing Height......4000-4500 ft AGL. Transport Winds....West 10 to 15 mph. $$ = IDZ402-231545- Eastern Payette National Forest- 310 PM MDT Sun Sep 22 2019 .TONIGHT... Sky/weather.........Mostly cloudy with a 50 percent chance of rain showers. Min temperature.....39 to 47. 24 hr trend......On average, 8 degrees warmer. Max humidity........79 to 92 percent. 24 hr trend......On average, 12 percent drier. 20-foot winds....... Valleys/lwr slopes...Light downslope winds less than 8 mph. Ridges/upr slopes....Southwest around 8 mph in the evening, becoming light after midnight. Haines Index........3 very low. LAL.................1. CWR /0.10 inch/.....30 percent. Smoke Dispersal: Mixing Height......400-700 ft AGL. Transport Winds....Southwest 5 to 10 mph. .MONDAY... Sky/weather.........Mostly sunny. A 30 percent chance of rain showers in the morning. Max temperature.....50 to 65. 24 hr trend......On average, unchanged. Min humidity........37 to 52 percent. 24 hr trend......On average, unchanged. 20-foot winds....... Valleys/lwr slopes...Light upslope winds less than 8 mph. Ridges/upr slopes....Light winds less than 8 mph. Gusts to 14 mph in the afternoon. Haines Index........2 very low. LAL.................1. CWR /0.10 inch/.....10 percent. Smoke Dispersal: Mixing Height......3500-4500 ft AGL. Transport Winds....West around 15 mph. .MONDAY NIGHT... Sky/weather.........Partly cloudy. Min temperature.....39 to 47. 24 hr trend......On average, unchanged. Max humidity........68 to 81 percent. 24 hr trend......On average, 11 percent drier. 20-foot winds....... Valleys/lwr slopes...Light downslope winds less than 8 mph. Ridges/upr slopes....Light winds less than 8 mph. Haines Index........2 very low. LAL.................1. CWR /0.10 inch/.....0 percent. Smoke Dispersal: Mixing Height......700-900 ft AGL. Transport Winds....Southwest 5 to 10 mph. .TUESDAY... Sky/weather.........Partly sunny. A 30 percent chance of rain showers in the afternoon. Max temperature.....51 to 65. 24 hr trend......On average, unchanged. Min humidity........33 to 48 percent. 24 hr trend......On average, 4 percent drier. 20-foot winds....... Valleys/lwr slopes...Light upslope winds less than 8 mph in the morning, becoming west around 8 mph with gusts to 16 mph in the afternoon. Ridges/upr slopes....Light winds less than 8 mph in the morning, becoming west around 8 mph with gusts to 18 mph in the afternoon. Haines Index........2 very low. LAL.................1. CWR /0.10 inch/.....0 percent. Smoke Dispersal: Mixing Height......4000-5000 ft AGL. Transport Winds....West 15 to 25 mph. $$ = IDZ403-231545- Northern Boise National Forest- 310 PM MDT Sun Sep 22 2019 .TONIGHT... Sky/weather.........Mostly cloudy with a 50 percent chance of rain showers. Min temperature.....39 to 47. 24 hr trend......On average, 6 degrees warmer. Max humidity........75 to 90 percent. 24 hr trend......On average, 8 percent drier. 20-foot winds....... Valleys/lwr slopes...Light downslope winds less than 8 mph. Ridges/upr slopes....South around 8 mph in the evening, becoming light after midnight. Haines Index........3 very low. LAL.................1. CWR /0.10 inch/.....20 percent. Smoke Dispersal: Mixing Height......400 ft AGL. Transport Winds....Northwest 5 to 10 mph. .MONDAY... Sky/weather.........Mostly sunny. A 20 percent chance of rain showers in the morning. Max temperature.....52 to 65. 24 hr trend......On average, unchanged. Min humidity........38 to 49 percent. 24 hr trend......On average, unchanged. 20-foot winds....... Valleys/lwr slopes...Light upslope winds less than 8 mph. Ridges/upr slopes....Light winds less than 8 mph. Haines Index........2 very low. LAL.................1. CWR /0.10 inch/.....10 percent. Smoke Dispersal: Mixing Height......4000-4500 ft AGL. Transport Winds....Southwest 10 to 15 mph. .MONDAY NIGHT... Sky/weather.........Partly cloudy. Min temperature.....38 to 45. 24 hr trend......On average, unchanged. Max humidity........68 to 87 percent. 24 hr trend......On average, 6 percent drier. 20-foot winds....... Valleys/lwr slopes...Light downslope winds less than 8 mph. Ridges/upr slopes....Light winds less than 8 mph. Haines Index........3 very low. LAL.................1. CWR /0.10 inch/.....0 percent. Smoke Dispersal: Mixing Height......400-800 ft AGL. Transport Winds....Southwest up to 10 mph. .TUESDAY... Sky/weather.........Mostly sunny. Max temperature.....53 to 66. 24 hr trend......On average, unchanged. Min humidity........37 to 47 percent. 24 hr trend......On average, unchanged. 20-foot winds....... Valleys/lwr slopes...Light upslope winds less than 8 mph. Ridges/upr slopes....Light winds less than 8 mph in the morning, becoming west around 8 mph with gusts to 16 mph in the afternoon. Haines Index........2 very low. LAL.................1. CWR /0.10 inch/.....0 percent. Smoke Dispersal: Mixing Height......3500-4500 ft AGL. Transport Winds....West 10 to 20 mph. $$ = IDZ421-231545- Southern Boise National Forest/Western Sawtooth National Forest- 310 PM MDT Sun Sep 22 2019 .TONIGHT... Sky/weather.........Mostly cloudy with a 40 percent chance of rain showers. Min temperature.....39 to 49. 24 hr trend......On average, 6 degrees warmer. Max humidity........66 to 86 percent. 24 hr trend......On average, 13 percent drier. 20-foot winds....... Valleys/lwr slopes...Light downslope winds less than 8 mph. Ridges/upr slopes....Light winds less than 8 mph. Haines Index........3 very low. LAL.................1. CWR /0.10 inch/.....10 percent. Smoke Dispersal: Mixing Height......400 ft AGL. Transport Winds....North 5 to 10 mph. .MONDAY... Sky/weather.........Sunny. Max temperature.....59 to 68, except 52 to 59 above 6500 feet. 24 hr trend......On average, unchanged. Min humidity........35 to 48 percent. 24 hr trend......On average, 2 percent wetter. 20-foot winds....... Valleys/lwr slopes...Light upslope winds less than 8 mph in the morning, becoming west 8 to 10 mph in the afternoon. Ridges/upr slopes....Light winds less than 8 mph in the morning, becoming northwest 8 to 11 mph in the afternoon. Haines Index........2 very low. LAL.................1. CWR /0.10 inch/.....0 percent. Smoke Dispersal: Mixing Height......4000-6000 ft AGL. Transport Winds....West 10 to 15 mph. .MONDAY NIGHT... Sky/weather.........Mostly clear. Min temperature.....38 to 47. 24 hr trend......On average, unchanged. Max humidity........66 to 90 percent. 24 hr trend......On average, unchanged. 20-foot winds....... Valleys/lwr slopes...Northwest 8 to 12 mph. Ridges/upr slopes....Northwest 8 to 12 mph. Haines Index........3 very low. LAL.................1. CWR /0.10 inch/.....0 percent. Smoke Dispersal: Mixing Height......400 ft AGL. Transport Winds....Northwest up to 15 mph. .TUESDAY... Sky/weather.........Mostly sunny. Max temperature.....60 to 69, except 53 to 60 above 6500 feet. 24 hr trend......On average, unchanged. Min humidity........34 to 47 percent. 24 hr trend......On average, unchanged. 20-foot winds....... Valleys/lwr slopes...Northwest 8 to 13 mph. Gusts to 20 mph in the afternoon. Ridges/upr slopes....Northwest 8 to 14 mph. Haines Index........2 very low. LAL.................1. CWR /0.10 inch/.....0 percent. Smoke Dispersal: Mixing Height......3000-4000 ft AGL. Transport Winds....Northwest 15 to 20 mph. $$ = IDZ400-231545- Northern Boise BLM- 310 PM MDT Sun Sep 22 2019 .TONIGHT... Sky/weather.........Mostly cloudy with a 40 percent chance of showers. Min temperature.....49 to 54. 24 hr trend......On average, 4 degrees warmer. Max humidity........76 to 87 percent. 24 hr trend......On average, 5 percent drier. 20-foot winds....... Valleys/lwr slopes...Light downslope winds less than 8 mph. Ridges/upr slopes....Light winds less than 8 mph. Haines Index........2 very low. LAL.................1. CWR /0.10 inch/.....20 percent. Smoke Dispersal: Mixing Height......400 ft AGL. Transport Winds....North 5 to 10 mph. .MONDAY... Sky/weather.........Sunny. Max temperature.....63 to 72. 24 hr trend......On average, unchanged. Min humidity........31 to 40 percent. 24 hr trend......On average, 3 percent drier. 20-foot winds....... Valleys/lwr slopes...Light upslope winds less than 8 mph. Ridges/upr slopes....Light winds less than 8 mph. Haines Index........2 very low. LAL.................1. CWR /0.10 inch/.....0 percent. Smoke Dispersal: Mixing Height......4000-4500 ft AGL. Transport Winds....West around 10 mph. .MONDAY NIGHT... Sky/weather.........Partly cloudy. Patchy fog after midnight. Min temperature.....47 to 52. 24 hr trend......On average, unchanged. Max humidity........61 to 76 percent. 24 hr trend......On average, 14 percent drier. 20-foot winds....... Valleys/lwr slopes...Light downslope winds less than 8 mph. Ridges/upr slopes....Light winds less than 8 mph. Haines Index........3 very low. LAL.................1. CWR /0.10 inch/.....0 percent. Smoke Dispersal: Mixing Height......400 ft AGL. Transport Winds....Southeast up to 10 mph. .TUESDAY... Sky/weather.........Mostly sunny. Patchy fog in the morning. Max temperature.....65 to 75. 24 hr trend......On average, 3 degrees warmer. Min humidity........35 to 40 percent. 24 hr trend......On average, 3 percent wetter. 20-foot winds....... Valleys/lwr slopes...Light upslope winds less than 8 mph in the morning, becoming west around 8 mph in the afternoon. Ridges/upr slopes....Light winds less than 8 mph in the morning, becoming northwest around 8 mph in the afternoon. Haines Index........3 very low. LAL.................1. CWR /0.10 inch/.....0 percent. Smoke Dispersal: Mixing Height......4000-5000 ft AGL. Transport Winds....Northwest 10 to 15 mph. $$ = IDZ420-424-231545- Treasure Valley BLM-Western Twin Falls BLM- 310 PM MDT Sun Sep 22 2019 .TONIGHT... Sky/weather.........Mostly cloudy. A chance of rain showers in the evening, then a slight chance of rain showers after midnight. Chance of precipitation 40 percent. Min temperature.....48 to 53. 24 hr trend......On average, 5 degrees warmer. Max humidity........72 to 93 percent. 24 hr trend......On average, 6 percent drier. 20-foot winds....... Valleys/lwr slopes...North 8 to 11 mph. Ridges/upr slopes....Light winds less than 8 mph in the evening, becoming northwest around 8 mph after midnight. Haines Index........3 very low. LAL.................1. CWR /0.10 inch/.....10 percent. Smoke Dispersal: Mixing Height......400 ft AGL. Transport Winds....Northwest 5 to 15 mph. .MONDAY... Sky/weather.........Sunny. Max temperature.....67 to 73. 24 hr trend......On average, unchanged. Min humidity........34 to 40 percent. 24 hr trend......On average, 3 percent wetter. 20-foot winds....... Valleys/lwr slopes...West 8 to 13 mph. Ridges/upr slopes....Light winds less than 8 mph in the morning, becoming west 8 to 12 mph in the afternoon. Haines Index........2 very low. LAL.................1. CWR /0.10 inch/.....0 percent. Smoke Dispersal: Mixing Height......4000-5000 ft AGL. Transport Winds....West 10 to 20 mph. .MONDAY NIGHT... Sky/weather.........Mostly clear. Min temperature.....45 to 50. 24 hr trend......On average, 2 degrees cooler. Max humidity........68 to 87 percent. 24 hr trend......On average, 6 percent drier. 20-foot winds....... Valleys/lwr slopes...West 8 to 14 mph. Ridges/upr slopes....Northwest 8 to 13 mph. Haines Index........3 very low. LAL.................1. CWR /0.10 inch/.....0 percent. Smoke Dispersal: Mixing Height......400 ft AGL. Transport Winds....West 5 to 15 mph. .TUESDAY... Sky/weather.........Sunny. Max temperature.....69 to 75. 24 hr trend......On average, 2 degrees warmer. Min humidity........32 to 38 percent. 24 hr trend......On average, 2 percent drier. 20-foot winds....... Valleys/lwr slopes...West 11 to 17 mph. Gusts to 24 mph in the afternoon. Ridges/upr slopes....Northwest 8 to 14 mph. Gusts to 22 mph in the afternoon. Haines Index........2 very low. LAL.................1. CWR /0.10 inch/.....0 percent. Smoke Dispersal: Mixing Height......4000-5000 ft AGL. Transport Winds....Northwest 15 to 25 mph. $$ = IDZ423-426-231545- Owyhee Mountains-Southern Highlands- 310 PM MDT Sun Sep 22 2019 .TONIGHT... Sky/weather.........Mostly cloudy with a chance of rain showers. A slight chance of thunderstorms in the evening. Chance of precipitation 50 percent. Gusty winds to 35 mph possible with thunderstorms. Min temperature.....43 to 51. 24 hr trend......On average, 7 degrees warmer. Max humidity........78 to 92 percent. 24 hr trend......On average, 9 percent drier. 20-foot winds....... Valleys/lwr slopes...West 8 to 11 mph. Ridges/upr slopes....West around 9 mph. Haines Index........3 very low. LAL.................2 in the evening, decreasing to 1 after midnight. CWR /0.10 inch/.....20 percent. Smoke Dispersal: Mixing Height......400 ft AGL. Transport Winds....Northwest 5 to 15 mph. .MONDAY... Sky/weather.........Mostly sunny. A 30 percent chance of rain showers in the morning. Max temperature.....61 to 70. 24 hr trend......On average, 2 degrees cooler. Min humidity........36 to 45 percent. 24 hr trend......On average, 7 percent wetter. 20-foot winds....... Valleys/lwr slopes...Northwest 8 to 11 mph. Ridges/upr slopes....Light winds less than 8 mph in the morning, becoming northwest around 8 mph in the afternoon. Haines Index........2 very low. LAL.................1. CWR /0.10 inch/.....0 percent. Smoke Dispersal: Mixing Height......3500-4500 ft AGL. Transport Winds....West 10 to 15 mph. .MONDAY NIGHT... Sky/weather.........Mostly clear. Min temperature.....40 to 49. 24 hr trend......On average, 3 degrees cooler. Max humidity........64 to 85 percent. 24 hr trend......On average, 10 percent drier. 20-foot winds....... Valleys/lwr slopes...West 8 to 12 mph. Ridges/upr slopes....West around 10 mph. Haines Index........3 very low. LAL.................1. CWR /0.10 inch/.....0 percent. Smoke Dispersal: Mixing Height......400 ft AGL. Transport Winds....West 5 to 15 mph. .TUESDAY... Sky/weather.........Sunny. Max temperature.....65 to 74. 24 hr trend......On average, 4 degrees warmer. Min humidity........31 to 40 percent. 24 hr trend......On average, 5 percent drier. 20-foot winds....... Valleys/lwr slopes...West 11 to 17 mph. Ridges/upr slopes....West 8 to 12 mph. Haines Index........2 very low. LAL.................1. CWR /0.10 inch/.....0 percent. Smoke Dispersal: Mixing Height......3500-4500 ft AGL. Transport Winds....Northwest 15 to 25 mph. $$ = ORZ646-231545- Baker Valley- 210 PM PDT Sun Sep 22 2019 .TONIGHT... Sky/weather.........Mostly cloudy. Rain showers likely in the evening, then a slight chance of rain showers after midnight. Chance of showers 60 percent. Gusty winds to 35 mph possible with thunderstorms. Min temperature.....41 to 51. 24 hr trend......On average, unchanged. Max humidity........84 to 96 percent. 24 hr trend......On average, unchanged. 20-foot winds....... Valleys/lwr slopes...Light downslope winds less than 8 mph. Ridges/upr slopes....Southwest around 8 mph in the evening, becoming light after midnight. Haines Index........2 very low. LAL.................1. CWR /0.10 inch/.....20 percent. .MONDAY... Sky/weather.........Sunny. Patchy fog in the morning. Max temperature.....60 to 71. 24 hr trend......On average, unchanged. Min humidity........28 to 37 percent. 24 hr trend......On average, 5 percent drier. 20-foot winds....... Valleys/lwr slopes...West around 8 mph. Ridges/upr slopes....Light winds less than 8 mph. Haines Index........3 very low. LAL.................1. CWR /0.10 inch/.....0 percent. .MONDAY NIGHT... Sky/weather.........Partly cloudy. Patchy fog after midnight. Min temperature.....43 to 52. 24 hr trend......On average, unchanged. Max humidity........60 to 83 percent. 24 hr trend......On average, 21 percent drier. 20-foot winds....... Valleys/lwr slopes...Northwest around 8 mph in the evening, becoming light downslope less than 8 mph after midnight. Ridges/upr slopes....Northwest around 8 mph in the evening, becoming light after midnight. Haines Index........3 very low. LAL.................1. CWR /0.10 inch/.....0 percent. .TUESDAY... Sky/weather.........Mostly sunny. Patchy fog in the morning. Max temperature.....63 to 74. 24 hr trend......On average, 3 degrees warmer. Min humidity........34 to 41 percent. 24 hr trend......On average, 4 percent wetter. 20-foot winds....... Valleys/lwr slopes...Light upslope winds less than 8 mph in the morning, becoming northwest 8 to 12 mph in the afternoon. Ridges/upr slopes....Light winds less than 8 mph in the morning, becoming northwest 8 to 12 mph in the afternoon. Haines Index........3 very low. LAL.................1. CWR /0.10 inch/.....0 percent. $$ = ORZ636-637-231545- Burns BLM-Vale BLM- 310 PM MDT Sun Sep 22 2019 /210 PM PDT Sun Sep 22 2019/ .TONIGHT... Sky/weather.........Mostly cloudy. Rain showers likely and a slight chance of thunderstorms in the evening, then a chance of rain showers after midnight. Chance of precipitation 60 percent. Gusty winds to 35 mph possible with thunderstorms. Min temperature.....38 to 49. 24 hr trend......On average, 4 degrees warmer. Max humidity........82 to 98 percent. 24 hr trend......On average, 5 percent drier. 20-foot winds....... Valleys/lwr slopes...West around 10 mph. Ridges/upr slopes....West around 10 mph. Haines Index........3 very low. LAL.................2 in the evening, decreasing to 1 after midnight. CWR /0.10 inch/.....20 percent. .MONDAY... Sky/weather.........Sunny. Max temperature.....60 to 70. 24 hr trend......On average, 2 degrees cooler. Min humidity........27 to 37 percent. 24 hr trend......On average, unchanged. 20-foot winds....... Valleys/lwr slopes...West around 9 mph. Ridges/upr slopes....Northwest around 9 mph. Haines Index........3 very low. LAL.................1. CWR /0.10 inch/.....0 percent. .MONDAY NIGHT... Sky/weather.........Mostly clear. Min temperature.....41 to 49. 24 hr trend......On average, unchanged. Max humidity........58 to 77 percent. 24 hr trend......On average, 22 percent drier. 20-foot winds....... Valleys/lwr slopes...West 8 to 10 mph in the evening, becoming light downslope less than 8 mph after midnight. Ridges/upr slopes....West 8 to 10 mph in the evening, becoming light after midnight. Haines Index........3 very low. LAL.................1. CWR /0.10 inch/.....0 percent. .TUESDAY... Sky/weather.........Mostly sunny. Max temperature.....66 to 75. 24 hr trend......On average, 6 degrees warmer. Min humidity........28 to 36 percent. 24 hr trend......On average, unchanged. 20-foot winds....... Valleys/lwr slopes...Light upslope winds less than 8 mph in the morning, becoming west 8 to 12 mph in the afternoon. Ridges/upr slopes....Light winds less than 8 mph in the morning, becoming northwest 8 to 12 mph in the afternoon. Haines Index........2 very low. LAL.................1. CWR /0.10 inch/.....0 percent. $$ = .FORECAST DAYS 3 THROUGH 7... .WEDNESDAY...Mostly clear. Lows 38 to 48. Highs 59 to 74. Northwest winds 10 to 15 mph. .THURSDAY...Partly cloudy. A 30 percent chance of showers. Lows 41 to 50. Highs 54 to 69. West winds 10 to 15 mph. .FRIDAY...Partly cloudy. A 40 percent chance of showers and snow showers. Lows 30 to 41. Highs 48 to 63. Northwest winds 10 to 15 mph. .SATURDAY...Mostly cloudy with showers likely and a chance of snow showers. Chance of precipitation 60 percent. Lows 30 to 41. Highs 42 to 57. .SUNDAY...Mostly cloudy. A 50 percent chance of showers and snow showers. Lows 27 to 37. Highs 41 to 56. .OUTLOOK FOR MONDAY SEPTEMBER 30 THROUGH SUNDAY OCTOBER 6 are for below normal temperatures and above normal chances of precipitation. $$ =