FNUS75 KMSO 211735 FWSMSO Spot Forecast for Greenhorn Rx Unit B9 National Weather Service Missoula MT 1135 AM MDT Sat Mar 21 2026 Forecast is based on ignition time of 0800 MDT on March 22. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION...A cold front will push through the region on Saturday bringing cooler and dry air to the region. Even though temperatures will be significantly cooler than previous days, afternoon humidities are still expected to drop into the low teens to single digits. Breezy westerly winds are anticipated to develop during the afternoon hours and diminish after sunset. .SUNDAY... * Sky/Weather.........Mostly sunny. * CWR (> 0.10 Inch)...0 percent. * Chance Lightning....0 percent. * Max Temperature.....50-55. * Min Humidity........8-13 percent. * Wind (20 ft)........West 5-10 mph. Gusts to around 20 mph in the afternoon. * Mixing Height.......Increasing to 6500 ft agl in the afternoon. * Mixing Winds........West 15 mph. * Precip Amount.......0.00 inches. .SUNDAY NIGHT... * Sky/Weather.........Partly cloudy. * CWR (> 0.10 Inch)...0 percent. * Chance Lightning....0 percent. * Min Temperature.....33-38. * Max Humidity........31-36 percent. * Wind (20 ft)........Southwest 5-10 mph with gusts to around 20 mph in the evening becoming variable 2-5 mph. * Mixing Height.......6500 ft agl decreasing to 500 ft agl. * Mixing Winds........Southwest 10 mph. * Precip Amount.......0.00 inches. .MONDAY... * Sky/Weather.........Partly cloudy. * CWR (> 0.10 Inch)...0 percent. * Chance Lightning....0 percent. * Max Temperature.....56-61. * Min Humidity........9-14 percent. * Wind (20 ft)........Southwest 5-12 mph. * Mixing Height.......2500 ft agl increasing to 7500 ft agl. * Mixing Winds........Southwest 15 mph. * Precip Amount.......0.00 inches. $$ Forecaster...Smith Requested by...Chris Hericks Type of request...PRESCRIBED .TAG 2606797.0/MSO .DELDT 03/21/26 .FormatterVersion 2.0.0 .EMAIL christopher.e.hericks@usda.gov