FNUS75 KMSO 190309 FWSMSO Spot Forecast for Cherry/Trapper National Weather Service Missoula MT 909 PM MDT Sat Apr 18 2026 Forecast is based on ignition time of 0800 MDT on April 19. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION...A very dry airmass is over the region under a transient ridge. The Portable RAWs near the site registered 9% RH at peak warming on 18 April. The next 2 days expect upper single digits to low teens as temperatures warm but some moisture is pushed north under southerly flow. Winds will be light Sunday but increase slightly on Monday as a low pressure system pushes onshore of California. .SUNDAY... * Sky/Weather.........Mostly sunny. * CWR (> 0.10 Inch)...0 percent. * Chance Lightning....0 percent. * Max Temperature.....58-63. * Min Humidity........9-14 percent. * Wind (20 ft)........Southwest 6-9 mph. * Mixing Height.......3000 ft agl increasing to 7500 ft agl. * Mixing Winds........Southwest 10 mph. * Precip Amount.......0.00 inches. .SUNDAY NIGHT... * Sky/Weather.........Partly cloudy. * CWR (> 0.10 Inch)...0 percent. * Chance Lightning....0 percent. * Min Temperature.....37-42. * Max Humidity........40-45 percent. * Wind (20 ft)........Southwest 5-6 mph in the evening becoming variable 2-4 mph. * Mixing Height.......7000 ft agl decreasing to 1000 ft agl. * Mixing Winds........West 10 mph. * Precip Amount.......0.00 inches. .MONDAY... * Sky/Weather.........Mostly sunny. * CWR (> 0.10 Inch)...0 percent. * Chance Lightning....0 percent. * Max Temperature.....65-70. * Min Humidity........5-10 percent. * Wind (20 ft)........Variable 2-5 mph becoming southwest 7-9 mph with gusts to around 20 mph in the afternoon. * Mixing Height.......3000 ft agl increasing to 12000 ft agl. * Mixing Winds........West 10 mph. * Precip Amount.......0.00 inches. $$ Forecaster...BEC Requested by...Rusty Butler Type of request...PRESCRIBED .TAG 2610704.0/MSO .DELDT 04/18/26 .FormatterVersion 2.0.0 .EMAIL rbutler@blm.gov