FNUS75 KBOI 222242 FWSBOI Spot Forecast for CROOKED...USFS...UPDATED National Weather Service Boise ID 442 PM MDT Sat Aug 22 2026 Forecast is based on forecast start time of 1700 MDT on August 22. If conditions become unrepresentative...contact the National Weather Service. Please contact our office at (208)334-9060, if you have questions or concerns with this forecast. ...RED FLAG WARNING IN EFFECT FOR SCATTERED THUNDERSTORMS UNTIL MIDNIGHT MDT TONIGHT... ...COOLER AND DRIER SUNDAY... .DISCUSSION... Scattered showers and thunderstorms ahead of an approaching Pacific cold, with the front arriving 6-8 PM MDT this evening. Lightning threat will begin to decrease after sunset, but periods of shower activity and gusty winds will continue through Sunday morning. Outflow winds up to 40 mph with thunderstorms this afternoon and evening. Drier and cooler conditions expected for Sunday. Shower and thunderstorm chances return Monday. .REST OF TODAY (SATURDAY)... Sky/weather.........Mostly cloudy with scattered showers and thunderstorms. Chance of precipitation 60 percent. Max temperature.....84 to 91. Min humidity........18 to 24 percent. CWR.................10 percent. Wind - 20 foot......Southwesterly 5 to 10 mph with gusts to around 20 mph for exposed areas. Gusty and erratic winds expected near thunderstorms. Mixing height.......10000 ft AGL. Transport winds.....South around 15 mph. Ventilation Index...1500 excellent. .TONIGHT... Sky/weather.........Mostly cloudy. Scattered showers and thunderstorms in evening, then periods of showers overnight. Chance of precipitation 40 percent. Min temperature.....55 to 61. Max humidity........58 to 64 percent. CWR.................10 percent. Wind - 20 foot......Northeast 3 to 8 mph. Gusts up to 14 mph in the evening. Gusty and erratic winds expected near thunderstorms in the evening. Mixing height.......200 ft AGL. Transport winds.....Southeast around 5 mph. Ventilation Index...10 poor. .SUNDAY... Sky/weather.........Partly cloudy. Max temperature.....79 to 86. Min humidity........12 to 17 percent. CWR.................0 percent. Wind - 20 foot......Southwest 6 to 12 mph by late morning. Gusts up to 22 mph in the afternoon. Mixing height.......8000 ft AGL. Transport winds.....Southwest around 20 mph. Ventilation Index...1600 excellent. .SUNDAY NIGHT... Sky/weather.........Partly cloudy. Min temperature.....48 to 54. Max humidity........31 to 38 percent. Drier. CWR.................10 percent. Wind - 20 foot......Northeast 3 to 7 mph. Mixing height.......200 ft AGL. Transport winds.....Southeast around 5 mph. Ventilation Index...10 poor. .MONDAY... Sky/weather.........Partly cloudy becoming mostly cloudy. A 20 percent chance of showers and thunderstorms in the afternoon. Max temperature.....84 to 90. Warmer. Min humidity........12 to 17 percent. CWR.................0 percent. Wind - 20 foot......Southwest 4 to 10 mph by late morning. Gusts up to 18 mph in the afternoon for exposed areas. Gusty and erratic winds expected near thunderstorms in the evening. Mixing height.......8000 ft AGL. Transport winds.....Southwest around 20 mph. Ventilation Index...1600 excellent. $$ Forecaster...Henry Requested by...BOISE DISPATCH Type of request...WILDFIRE .TAG 2620056.5/BOI .DELDT 08/22/26 .FormatterVersion 2.0.0 .EMAIL 2026.crooked.plans@firenet.gov