FNUS55 KBOI 201101 FWFBOI Fire Weather Planning Forecast for SW Idaho and SE Oregon National Weather Service Boise ID 501 AM MDT Wed May 20 2026 ...CONTINUED COOL TODAY. WARMING AND DRYING THROUGH MONDAY. STRONG COLD FRONT AND WIND TUESDAY... .DISCUSSION... * Southwest Idaho BLM (ID Zones 400, 420, 423, 424, 426)... Continued cool and dry today except a 10-15% chance of late day and evening showers in zone 426. Warming and drying Thursday through Monday, then a strong cold front with showers, windy, and turning much cooler Tuesday. * Southwest Idaho Forest (ID Zones 401, 402, 403, 421)... Continued cool and dry today except a 10-15% chance of late day and evening showers in the eastern part of zone 402. Warming and drying Thursday through Monday, then a strong cold front with showers, windy, and turning much cooler Tuesday. * Southeast Oregon (OR Zones 670-675)... Continued cool and dry today. Warming and drying Thursday through Monday, then a strong cold front with showers, windy, and turning much cooler Tuesday. IDZ401-202230- Western Payette National Forest- 501 AM MDT Wed May 20 2026 .TODAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....51 to 66. 24 hr trend......On average, 3 degrees warmer. Min humidity........30 to 45 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 10 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. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......6000-8000 ft AGL. Transport Winds....Northwest 10 to 20 mph. .TONIGHT... Sky/weather.........Partly cloudy. Chance of thunder...0 percent. Min temperature.....33 to 45. 24 hr trend......On average, unchanged. Max humidity........64 to 91 percent. 24 hr trend......On average, 8 percent wetter. 20-foot winds....... Valleys/lwr slopes...North 11 to 17 mph with gusts to 24 mph. Ridges/upr slopes....North 11 to 17 mph with gusts to 28 mph. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......200-300 ft AGL. Transport Winds....North 10 to 20 mph. .THURSDAY... Sky/weather.........Sunny. Chance of thunder...0 percent. Max temperature.....53 to 68. 24 hr trend......On average, 2 degrees warmer. Min humidity........22 to 32 percent. 24 hr trend......On average, 9 percent drier. 20-foot winds....... Valleys/lwr slopes...North 8 to 13 mph with gusts to 20 mph. Ridges/upr slopes....North 8 to 13 mph with gusts to 24 mph. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......6000-8000 ft AGL. Transport Winds....North 10 to 20 mph. $$ = IDZ402-202230- Eastern Payette National Forest- 501 AM MDT Wed May 20 2026 .TODAY... Sky/weather.........Partly sunny. Chance of thunder...0 percent. Max temperature.....48 to 63. 24 hr trend......On average, unchanged. Min humidity........29 to 44 percent. 24 hr trend......On average, 8 percent wetter. 20-foot winds....... Valleys/lwr slopes...Light upslope winds less than 8 mph in the morning, becoming northwest 8 to 14 mph in the afternoon. Ridges/upr slopes....Light winds less than 8 mph in the morning, becoming northwest 9 to 15 mph with gusts to 22 mph in the afternoon. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......6000-8000 ft AGL. TransportWinds....West 10 to 20 mph. .TONIGHT... Sky/weather.........Partly cloudy with a chance of rain and snow showers. A slight chance of thunderstorms in the evening. Chance of precipitation 40 percent. Chance of thunder...20 percent. Min temperature.....31 to 40. 24 hr trend......On average, unchanged. Max humidity........72 to 88 percent. 24 hr trend......On average, 11 percent wetter. 20-foot winds....... Valleys/lwr slopes...Northwest 10 to 16 mph with gusts to 24 mph in the evening, becoming light downslope less than 8 mph after midnight. Ridges/upr slopes....North 11 to 17 mph. Gusts to 24 mph in the evening. CWR /0.10 inch/.....20 percent. Smoke Dispersal..... Mixing Height......200-300 ft AGL. Transport Winds....North 5 to 15 mph. .THURSDAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....51 to 66. 24 hr trend......On average, 3 degrees warmer. Min humidity........21 to 31 percent. 24 hr trend......On average, 11 percent drier. 20-foot winds....... Valleys/lwr slopes...North 8 to 12 mph with gusts to 16 mph. Ridges/upr slopes....North 8 to 12 mph. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......7000-8500 ft AGL. Transport Winds....North 10 to 15 mph. $$ = IDZ403-202230- Northern Boise National Forest- 501 AM MDT Wed May 20 2026 .TODAY... Sky/weather.........Partly sunny. Chance of thunder...0 percent. Max temperature.....50 to 65. 24 hr trend......On average, 3 degrees warmer. Min humidity........27 to 37 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 west 8 to 10 mph in the afternoon. Ridges/upr slopes....Light winds less than 8 mph in the morning, becoming west 8 to 13 mph with gusts to 20 mph in the afternoon. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......6500-8500 ft AGL. Transport Winds....West 10 to 15 mph. .TONIGHT... Sky/weather.........Partly cloudy. A 30 percent chance of rain showers in the evening. Chance of thunder...0 percent. Min temperature.....31 to 42. 24 hr trend......On average, unchanged. Max humidity........60 to 85 percent. 24 hr trend......On average, 13 percent wetter. 20-foot winds....... Valleys/lwr slopes...North 8 to 14 mph with gusts to 18 mph. Ridges/upr slopes....North 8 to 14 mph with gusts to 22 mph. CWR /0.10 inch/.....10 percent. Smoke Dispersal..... Mixing Height......300-400 ft AGL. Transport Winds....North 10 to 15 mph. .THURSDAY... Sky/weather.........Sunny. Chance of thunder...0 percent. Max temperature.....54 to 69. 24 hr trend......On average, 4 degrees warmer. Min humidity........17 to 27 percent. 24 hr trend......On average, 11 percent drier. 20-foot winds....... Valleys/lwr slopes...Northeast 8 to 9 mph in the morning, becoming light upslope less than 8 mph in the afternoon. Gusts to 16 mph. Ridges/upr slopes....North 8 to 13 mph with gusts to 20 mph. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......7500-9500 ft AGL. Transport Winds....North 10 to 15 mph. $$ = IDZ421-202230- Southern Boise/Western Sawtooth NF, including the Camas Prairie- 501 AM MDT Wed May 20 2026 .TODAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....59 to 69, except 49 to 59above 6500 feet. 24 hr trend......On average, 4 degrees warmer. Min humidity........25 to 35 percent. 24 hr trend......On average, 3 percent wetter. 20-foot winds....... Valleys/lwr slopes...West 10 to 16 mph. Gusts to 24 mph in the afternoon. Ridges/upr slopes....West 10 to 16 mph. Gusts to 22 mph in the afternoon. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......6500-8500 ft AGL. Transport Winds....West 10 to 20 mph. .TONIGHT... Sky/weather.........Partly cloudy. Chance of thunder...0 percent. Min temperature.....32 to 42. 24 hr trend......On average, unchanged. Max humidity........60 to 82 percent. 24 hr trend......On average, 15 percent wetter. 20-foot winds....... Valleys/lwr slopes...North 10 to 16 mph. Gusts to 24 mph in the evening. Ridges/upr slopes....North 10 to 16 mph. Gusts to 22 mph in the evening. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......200-300 ft AGL. Transport Winds....North 10 to 15 mph. .THURSDAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....62 to 72, except 52 to 61 above 6500 feet. 24 hr trend......On average, 2 degrees warmer. Min humidity........18 to 28 percent. 24 hr trend......On average, 8 percent drier. 20-foot winds....... Valleys/lwr slopes...Northwest 8 to 11 mph with gusts to 18 mph. Ridges/upr slopes....Northwest 8 to 11 mph with gusts to 20 mph. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......8000-10000 ft AGL. Transport Winds....North 10 to 15 mph. $$ = IDZ400-202230- Northern Boise BLM- 501 AM MDT Wed May 20 2026 .TODAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....65 to 76. 24 hr trend......On average, 4 degrees warmer. Min humidity........24 to 31 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 northwest around 8 mph in the afternoon. Ridges/upr slopes....Northwest around 10 mph. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......7500-9000 ft AGL. Transport Winds....Northwest 10 to 20 mph. .TONIGHT... Sky/weather.........Partly cloudy. Chance of thunder...0 percent. Min temperature.....43 to 49. 24 hr trend......On average, unchanged. Max humidity........59 to 79 percent. 24 hr trend......On average, 6 percent wetter. 20-foot winds....... Valleys/lwr slopes...North 10 to 16 mph with gusts to 24 mph. Ridges/upr slopes....North 10 to 16 mph with gusts to 28 mph. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......200-300 ft AGL. Transport Winds....North 10 to 20 mph. .THURSDAY... Sky/weather.........Sunny. Chance of thunder...0 percent. Max temperature.....67 to 77. 24 hr trend......On average, 2 degrees warmer. Min humidity........18 to 24 percent. 24 hr trend......On average, 6 percent drier. 20-foot winds....... Valleys/lwr slopes...North 8 to 12 mph with gusts to 20 mph. Ridges/upr slopes....North 8 to 12 mph with gusts to 22 mph. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......8000-9000 ft AGL. Transport Winds....North 10 to 15 mph. $$ = IDZ420-202230- Treasure Valley BLM- 501 AM MDT Wed May 20 2026 .TODAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....72 to 77. 24 hr trend......On average, 3 degrees warmer.Min humidity........22 to 27 percent. 24 hr trend......On average, 3 percent wetter. 20-foot winds....... Valleys/lwr slopes...Light upslope winds less than 8 mph in the morning, becoming northwest 8 to 12 mph in the afternoon. Ridges/upr slopes....Light winds less than 8 mph in the morning, becoming west 8 to 11 mph in the afternoon. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......7500-9000 ft AGL. Transport Winds....Northwest 10 to 15 mph. .TONIGHT... Sky/weather.........Partly cloudy. Chance of thunder...0 percent. Min temperature.....45 to 50. 24 hr trend......On average, 3 degrees warmer. Max humidity........61 to 73 percent. 24 hr trend......On average, 6 percent wetter. 20-foot winds....... Valleys/lwr slopes...Northwest 10 to 16 mph with gusts to 24 mph. Ridges/upr slopes....North 10 to 16 mph. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......200-300 ft AGL. Transport Winds....Northwest 10 to 25 mph. .THURSDAY... Sky/weather.........Sunny. Chance of thunder...0 percent. Max temperature.....73 to 78. 24 hr trend......On average, 2 degrees warmer. Min humidity........17 to 22 percent. 24 hr trend......On average, 6 percent drier. 20-foot winds....... Valleys/lwr slopes...Northwest 12 to 18 mph with gusts to 26 mph. Ridges/upr slopes....Northwest 12 to 18 mph. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......8000-9000 ft AGL. Transport Winds....North 15 to 25 mph. $$ = IDZ424-202230- Western Twin Falls BLM- 501 AM MDT Wed May 20 2026 .TODAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....67 to 76. 24 hr trend......On average, 4 degrees warmer. Min humidity........20 to 26 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 9 to 15 mph with gusts to 22 mph in the afternoon. Ridges/upr slopes....Light winds less than 8 mph in the morning, becoming west 10 to 16 mph with gusts to 24 mph in the afternoon. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......8500-10000 ft AGL. Transport Winds....West 15 to 20 mph. .TONIGHT... Sky/weather.........Partly cloudy. Chance of thunder...0 percent. Min temperature.....40 to 46. 24 hr trend......On average, 4 degrees warmer. Max humidity........61 to 76 percent. 24 hr trend......On average, 6 percent wetter. 20-foot winds....... Valleys/lwr slopes...Northwest 9 to 15 mph with gusts to 22 mph. Ridges/upr slopes....Northwest 9 to 15 mph. Gusts to 24 mph in the evening. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......200-300 ft AGL. Transport Winds....Northwest 10 to 25 mph. .THURSDAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....67 to 76. 24 hr trend......On average, unchanged. Min humidity........17 to 24 percent. 24 hr trend......On average, 3 percent drier. 20-foot winds....... Valleys/lwr slopes...Northwest 12 to 18 mph with gusts to 26 mph. Ridges/upr slopes....Light winds less than 8 mph in the morning, becoming west 8 to 11 mph with gusts to 18 mph in the afternoon. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......9000-10500 ft AGL. Transport Winds....Northwest 10 to 25 mph. $$ = IDZ423-202230- Owyhee Mountains- 501 AM MDT Wed May 20 2026 .TODAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....62 to 74. 24 hr trend......On average, 6 degrees warmer. Min humidity........20 to 30 percent. 24 hr trend......On average, unchanged. 20-foot winds....... Valleys/lwr slopes...Light upslope winds less than 8 mph in the morning, becoming north 8 to 12 mph in the afternoon. Ridges/upr slopes....Light winds less than 8 mph in the morning, becoming northwest 8 to 11 mph with gusts to 18 mph in the afternoon. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......8000-10000 ft AGL. Transport Winds....West 10 to 15 mph. .TONIGHT... Sky/weather.........Partly cloudy. Chance of thunder...0 percent. Min temperature.....39 to 49. 24 hr trend......On average, 4 degrees warmer. Max humidity........57 to 72 percent. 24 hr trend......On average, 7 percent wetter. 20-foot winds....... Valleys/lwr slopes...Northwest 12 to 18 mph. Ridges/upr slopes....Northwest 12 to 18 mph with gusts to 20 mph. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......200-300 ft AGL. Transport Winds....North 15 to 30 mph. .THURSDAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....62 to 74. 24 hr trend......On average, unchanged. Min humidity........14 to 22 percent. 24 hr trend......On average, 8 percent drier. 20-foot winds....... Valleys/lwr slopes...North 17 to 23 mph with gusts to 34 mph. Ridges/upr slopes....North 17 to 23 mph with gusts to 28 mph. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......6500-8500 ft AGL. Transport Winds....North 15 to 30 mph. $$ = IDZ426-202230- Southern Highlands- 501 AM MDT Wed May 20 2026 .TODAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....66 to 72. 24 hr trend......On average, 6 degrees warmer. Min humidity........23 to 31 percent. 24 hr trend......On average, unchanged. 20-foot winds....... Valleys/lwr slopes...Light upslope winds less than 8 mph in the morning, becoming northwest 8 to 12 mph with gusts to 20 mph in the afternoon. Ridges/upr slopes....Light winds less than 8 mph in the morning, becoming northwest 8 to 9 mph with gusts to 16 mph in the afternoon. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......9500-10000 ft AGL. Transport Winds....West 10 to 15 mph. .TONIGHT... Sky/weather.........Mostly cloudy. A 20 percent chance of rain showers after midnight. Chance of thunder...0 percent. Min temperature.....41 to 46. 24 hr trend......On average, 5 degrees warmer. Max humidity........63 to 72 percent. 24 hr trend......On average, 6 percent wetter. 20-foot winds....... Valleys/lwr slopes...West 8 to 13 mph with gusts to 22 mph. Ridges/upr slopes....West 8 to 13 mph with gusts to 16 mph. CWR /0.10 inch/.....10 percent. Smoke Dispersal..... Mixing Height......200-300 ft AGL. Transport Winds....West 10 to 25 mph. .THURSDAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....64 to 71. 24 hr trend......On average, unchanged. Min humidity........19 to 26 percent. 24 hr trend......On average, 4 percent drier. 20-foot winds....... Valleys/lwr slopes...Northwest 13 to 19 mph.Gusts to 30 mph in the morning, decreasing to 24 mph in the afternoon. Ridges/upr slopes....Northwest 13 to 19 mph with gusts to 28 mph. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......7500-9500 ft AGL. Transport Winds....Northwest 10 to 25 mph. $$ = ORZ675-202230- Baker Valley- 401 AM PDT Wed May 20 2026 .TODAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....65 to 71. 24 hr trend......On average, 3 degrees warmer. Min humidity........28 to 35 percent. 24 hr trend......On average, 3 percent wetter. 20-foot winds....... Valleys/lwr slopes...Light upslope winds less than 8 mph in the morning, becoming northwest 8 to 13 mph in the afternoon. Ridges/upr slopes....Light winds less than 8 mph in the morning, becoming north around 8 mph with gusts to 16 mph in the afternoon. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......6500-8500 ft AGL. Transport Winds....Northwest 10 to 25 mph. .TONIGHT... Sky/weather.........Partly cloudy. Chance of thunder...0 percent. Min temperature.....37 to 45. 24 hr trend......On average, unchanged. Max humidity........61 to 80 percent. 24 hr trend......On average, 6 percent drier. 20-foot winds....... Valleys/lwr slopes...Northwest 13 to 19 mph. Gusts to 30 mph in the evening. Ridges/upr slopes....Northwest 13 to 19 mph. Gusts to 28 mph in the evening. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......200-300 ft AGL. Transport Winds....Northwest 10 to 20 mph. .THURSDAY... Sky/weather.........Sunny. Chance of thunder...0 percent. Max temperature.....67 to 73. 24 hr trend......On average, 2 degrees warmer. Min humidity........19 to 24 percent. 24 hr trend......On average, 10 percent drier. 20-foot winds....... Valleys/lwr slopes...North 8 to 13 mph with gusts to 20 mph. Ridges/upr slopes....North 8 to 13 mph with gusts to 20 mph. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......7000-9000 ft AGL. Transport Winds....North 10 to 20 mph. $$ = ORZ674-202230- Northwestern Vale BLM- 401 AM PDT Wed May 20 2026 .TODAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....64 to 73. 24 hr trend......On average, 3 degrees warmer. Min humidity........23 to 33 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 northwest 8 to 12 mph in the afternoon. Ridges/upr slopes....Northwest 8 to 12 mph. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......7000-9000 ft AGL. Transport Winds....Northwest 10 to 25 mph. .TONIGHT... Sky/weather.........Partly cloudy. Chance of thunder...0 percent. Min temperature.....40 to 46. 24 hr trend......On average, unchanged. Max humidity........58 to 71 percent. 24 hr trend......On average, unchanged. 20-foot winds....... Valleys/lwr slopes...North 14 to 20 mph. Gusts to 32 mph in the evening, decreasing to 22 mph after midnight. Ridges/upr slopes....North 14 to 20 mph. Gusts to 30 mph in the evening, decreasing to 24 mph after midnight. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......200-300 ft AGL. Transport Winds....North 10 to 25 mph. .THURSDAY... Sky/weather.........Sunny. Chance of thunder...0 percent. Max temperature.....65 to 74. 24 hr trend......On average, 2 degrees warmer. Min humidity........14 to 22 percent. 24 hr trend......On average, 10 percent drier. 20-foot winds....... Valleys/lwr slopes...North 8 to 11 mph with gusts to 18 mph. Ridges/upr slopes....North 8 to 11 mph with gusts to 20 mph. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......7500-9500 ft AGL. Transport Winds....North 10 to 15 mph. $$ = ORZ673-202230- Central Canyonlands- 501 AM MDT Wed May 20 2026 .TODAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....67 to 76. 24 hr trend......On average, 4 degrees warmer. Min humidity........23 to 30 percent. 24 hr trend......On average, 2 percent wetter. 20-foot winds....... Valleys/lwr slopes...Light upslope winds less than 8 mph. Ridges/upr slopes....North 8 to 10 mph in the morning, becoming light in the afternoon. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......8000-9000 ft AGL. Transport Winds....Northwest 10 to 20 mph. .TONIGHT... Sky/weather.........Partly cloudy. Chance of thunder...0 percent. Min temperature.....42 to 50. 24 hr trend......On average, 2 degrees warmer. Max humidity........56 to 67 percent. 24 hr trend......On average, 2 percent wetter. 20-foot winds....... Valleys/lwr slopes...North 12 to 18 mph with gusts to 28 mph. Ridges/upr slopes....North 14 to 20 mph with gusts to 30 mph. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......200-300 ft AGL. Transport Winds....North 15 to 25 mph. .THURSDAY... Sky/weather.........Sunny. Chance of thunder...0 percent. Max temperature.....68 to 77. 24 hr trend......On average, unchanged. Min humidity........15 to 20 percent. 24 hr trend......On average, 9 percent drier. 20-foot winds....... Valleys/lwr slopes...North 8 to 12 mph with gusts to 18 mph. Ridges/upr slopes....North 8 to 12 mph. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......7000-9000 ft AGL. Transport Winds....North 10 to 15 mph. $$ = ORZ672-202230- Southern Grasslands- 401 AM PDT Wed May 20 2026 .TODAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....66 to 75. 24 hr trend......On average, 5 degrees warmer. Min humidity........18 to 26 percent. 24 hr trend......On average, unchanged. 20-foot winds....... Valleys/lwr slopes...Light upslope winds less than 8 mph in the morning, becoming northwest 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. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......8500-10000 ft AGL. Transport Winds....West 10 to 15 mph. .TONIGHT... Sky/weather.........Partly cloudy. Chance of thunder...0 percent. Min temperature.....41 to 46. 24 hr trend......On average, 2 degrees warmer. Max humidity........54 to 70 percent. 24 hr trend......On average, 10 percent wetter. 20-foot winds....... Valleys/lwr slopes...North 8 to 13 mph with gusts to 20 mph. Ridges/upr slopes....North 8 to 14 mph. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......200-300 ft AGL. Transport Winds....North 10 to 15 mph. .THURSDAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....65 to 75. 24 hr trend......On average, unchanged. Min humidity........12 to 17 percent. 24 hr trend......On average, 7 percent drier. 20-foot winds....... Valleys/lwr slopes...North 8 to 14 mph. Ridges/upr slopes....North 8 to 14 mph. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......6500-8500 ft AGL. Transport Winds....North 10 to 15 mph. $$ = ORZ671-202230- Steens Mountain- 401 AM PDT Wed May 20 2026 .TODAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....60 to 72. 24 hr trend......On average, 5 degrees warmer. Min humidity........20 to 30 percent. 24 hr trend......On average, 4 percent wetter. 20-foot winds....... Valleys/lwr slopes...Light upslope winds less than 8 mph in the morning, becoming north 8 to 9 mph with gusts to 16 mph in the afternoon. Ridges/upr slopes....Light winds less than 8 mph in the morning, becoming northwest 8 to 10 mph in the afternoon. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......7000-9000 ft AGL. Transport Winds....Northwest 10 to 15 mph. .TONIGHT... Sky/weather.........Partly cloudy. Chance of thunder...0 percent. Min temperature.....40 to 47. 24 hr trend......On average, unchanged. Max humidity........53 to 66 percent. 24 hr trend......On average, 12 percent wetter. 20-foot winds....... Valleys/lwr slopes...North 8 to 12 mph with gusts to 20 mph. Ridges/upr slopes....North 8 to 13 mph with gusts to 20 mph. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......200-300 ft AGL. Transport Winds....North 10 to 15 mph. .THURSDAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....60 to 72. 24 hr trend......On average, unchanged. Min humidity........14 to 20 percent. 24 hr trend......On average, 8 percent drier. 20-foot winds....... Valleys/lwr slopes...North 8 to 11 mph. Ridges/upr slopes....North 8 to 11 mph. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......6500-8000 ft AGL. Transport Winds....North 10 to 15 mph. $$ = ORZ670-202230- Burns BLM- 401 AM PDT Wed May 20 2026 .TODAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....67 to 74. 24 hr trend......On average, 4 degrees warmer. Min humidity........17 to 24 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 northwest 8 to 9 mph in the afternoon. Ridges/upr slopes....Light winds less than 8 mph in the morning, becoming north 8 to 10 mph in the afternoon. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......7500-9000 ft AGL. Transport Winds....Northwest 10 to 15 mph. .TONIGHT... Sky/weather.........Partly cloudy. Chance of thunder...0 percent. Min temperature.....38 to 44. 24 hr trend......On average, unchanged. Max humidity........57 to 78 percent. 24 hr trend......On average, 3 percent wetter. 20-foot winds....... Valleys/lwr slopes...North 8 to 14 mph with gusts to 22 mph. Ridges/upr slopes....North 9 to 15 mph. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......200-300 ft AGL. Transport Winds....North 10 to 15 mph. .THURSDAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....67 to 74. 24 hr trend......On average, unchanged. Min humidity........11 to 16 percent. 24 hr trend......On average, 7 percent drier. 20-foot winds.......Valleys/lwr slopes...Light upslope winds less than 8 mph in the morning, becoming north around 8 mph with gusts to 16 mph in the afternoon. Ridges/upr slopes....North around 9 mph. Gusts to 16 mph in the afternoon. CWR /0.10 inch/.....0 percent. Smoke Dispersal..... Mixing Height......7000-8500 ft AGL. Transport Winds....North 10 to 15 mph. $$ = .FORECAST DAYS 3 THROUGH 7... .FRIDAY...Partly cloudy. Lows 37 to 48. Highs 64 to 79. North winds up to 10 mph with gusts to 20 mph. .SATURDAY...Partly cloudy. Lows 40 to 51. Highs 70 to 85. Southwest winds 10 to 15 mph. .SUNDAY...Partly cloudy. A 20 percent chance of showers and thunderstorms. Lows 44 to 55. Highs 72 to 87. West winds 10 to 15 mph with gusts to 25 mph. .MEMORIAL DAY...Partly cloudy. Lows 45 to 56. Highs 71 to 86. .TUESDAY...Windy and turning much cooler. Mostly cloudy. A 30 percent chance of rain and snow showers. Lows 36 to 48. Highs 53 to 68. $$ =