FNUS75 KBOI 221053 FWSBOI Spot Forecast for Cold Rx - Scirius...USFS National Weather Service Boise ID 453 AM MDT Wed Apr 22 2026 Forecast is based on ignition time of 0714 MDT on April 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. ...RAIN AND SNOW TODAY... ...LIGHTER SNOW SHOWERS THURSDAY AND FRIDAY... .DISCUSSION... It will be much cooler today behind last night's cold front. Snow levels will lower to 5000-5500 feet, allowing rain to mix with or change to snow this morning. However, temperatures slightly above freezing should prevent much snow accumulation. Showers will continue through the evening before tapering off overnight, with 0.75-1.5 inch storm total liquid expected. Winds will be breezy this afternoon, tapering off this evening. Snow showers will continue Thursday and Friday with light snow accumulations possible. Expect slight warming over the weekend with low chances of precipitation. .REST OF TODAY... Sky/weather.........Mixed rain and snow showers. Chance of precipitation 100 percent. Snow accumulation less than 1 inch. Snow level 5300 feet. Max temperature.....38 to 43. Min humidity........80 to 90 percent. CWR.................90 percent. Wind - 20 foot......Southwest 5 to 9 mph with gusts to around 18 mph. Mixing height.......2500 ft AGL. Transport winds.....Southwest around 20 mph. Ventilation Index...500 good. .TONIGHT... Sky/weather.........A 90 percent chance of rain and snow showers in the evening, decreasing overnight. Patchy fog overnight. Chance of precipitation 90 percent. Snow accumulation up to 1 inch. Snow level 5000 feet. Min temperature.....30 to 35. Max humidity........95 to 100 percent. CWR.................60 percent. Wind - 20 foot......Southwest 3 to 6 mph. Gusts up to 14 mph in the evening. Mixing height.......500 ft AGL. Transport winds.....West around 5 mph. Ventilation Index...25 poor. .THURSDAY... Sky/weather.........Patchy fog in the morning. Mostly cloudy with snow showers likely. Chance of precipitation 70 percent. Snow accumulation up to 1 inch. Snow level 4000-4500 feet. Max temperature.....41 to 46. Min humidity........48 to 56 percent. CWR.................40 percent. Wind - 20 foot......West 2 to 5 mph in the morning, becoming northwest 4 to 8 mph with gusts up to 16 mph in the afternoon. Mixing height.......5000 ft AGL. Transport winds.....Northwest around 15 mph. Ventilation Index...750 excellent. $$ Forecaster...Tangen Requested by...Jonathan Miller Type of request...PRESCRIBED .TAG 2610807.2/BOI .DELDT 04/22/26 .FormatterVersion 2.0.0 .EMAIL will.woods@usda.gov,jonathan.miller@usda.gov