FNUS75 KMSO 201150 FWSMSO Spot Forecast for Johnson Camp North National Weather Service Missoula MT 550 AM MDT Mon Apr 20 2026 Forecast is based on ignition time of 0600 MDT on April 20. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION...A strong ridge of high pressure will be the dominate weather feature for the entire forecast period. Winds will be light, 5 mph or less out of the southeast or northeast each morning until around 1100. The wind directions will become more south or southwest under 10 mph after 1200 each afternoon. Otherwise, expect warm and dry conditions, with MinRH values likely dropping below 20 percent between 1500 and 1900 local, and below 30 percent between 1300 and 2000 local. Afternoon temperatures will be running 20 to 25 degrees above normal for this time of the year. .TODAY... * Sky/Weather.........Mostly sunny. * CWR (> 0.10 Inch)...0 percent. * Chance Lightning....0 percent. * Max Temperature.....68-73. * Min Humidity........16-21 percent. * Wind (20 ft)........Variable 2-4 mph becoming south 5-6 mph in the afternoon. * Mixing Height.......2500 ft agl increasing to 7500 ft agl. * Mixing Winds........South 10 mph. * Precip Amount.......0.00 inches. .TONIGHT... * Sky/Weather.........Partly cloudy. * CWR (> 0.10 Inch)...0 percent. * Chance Lightning....0 percent. * Min Temperature.....43-48. * Max Humidity........45-50 percent. * Wind (20 ft)........South 5-6 mph in the evening becoming variable 2-4 mph. * Mixing Height.......6000 ft agl decreasing to less than 100 ft agl. * Mixing Winds........South 5 mph. * Precip Amount.......0.00 inches. .TUESDAY... * Sky/Weather.........Partly cloudy. * CWR (> 0.10 Inch)...0 percent. * Chance Lightning....0 percent. * Max Temperature.....70-75. * Min Humidity........15-20 percent. * Wind (20 ft)........Variable 2-4 mph becoming south 5-7 mph in the afternoon. * Mixing Height.......1500 ft agl increasing to 10500 ft agl. * Mixing Winds........Southeast 10 mph. * Precip Amount.......0.00 inches. $$ Forecaster...Robinson Requested by...Josh Stroot Type of request...PRESCRIBED .TAG 2610622.1/MSO .DELDT 04/20/26 .FormatterVersion 2.0.0 .EMAIL joshua.d.stroot@usda.gov,daniel.campbell@usda.gov