FNUS75 KMSO 192110 FWSMSO Spot Forecast for Island Creek Fire National Weather Service Missoula MT 310 PM MDT Tue Aug 19 2025 Forecast is based on forecast start time of 0600 MDT on August 20. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION...On Wednesday, a dry cold front will pass, cooling temperatures but also increasing westerly winds. Elevated fire weather conditions are anticipated due to gusty winds and still relatively dry RHs. Drier air moves into the region on Thursday, with humidity lowering back into the teens and low 20s. .WEDNESDAY... * Sky/Weather.........Mostly sunny. * CWR (> 0.10 Inch)...0 percent. * Chance Lightning....0 percent. * Max Temperature.....76-81. * Min Humidity........25-30 percent. * Wind (20 ft)........Variable 2-5 mph becoming northwest 6-9 mph in the afternoon with gusts of 12-16 mph. * Mixing Height.......3000 ft agl increasing to 5500 ft agl in the afternoon. * Mixing Winds........West 10 mph. * Precip Amount.......0.00 inches. .WEDNESDAY NIGHT... * Sky/Weather.........Mostly clear. * CWR (> 0.10 Inch)...0 percent. * Chance Lightning....0 percent. * Min Temperature.....54-59. * Max Humidity........48-53 percent. * Wind (20 ft)........Northwest 5-9 mph in the evening becoming variable 2-5 mph. * Mixing Height.......4000 ft agl decreasing to 500 ft agl early in the evening. * Mixing Winds........West 5 mph. * Precip Amount.......0.00 inches. .THURSDAY... * Sky/Weather.........Sunny. * CWR (> 0.10 Inch)...0 percent. * Chance Lightning....0 percent. * Max Temperature.....79-84. * Min Humidity........17-22 percent. * Wind (20 ft)........Variable 2-4 mph becoming northwest 6-9 mph in the afternoon. * Mixing Height.......2500 ft agl increasing to 6500 ft agl. * Mixing Winds........West 5 mph. * Precip Amount.......0.00 inches. $$ Forecaster...Kitsmiller Requested by...Anna Sivill Type of request...WILDFIRE .TAG 2520252.0/MSO .DELDT 08/19/25 .FormatterVersion 2.0.0 .EMAIL anna.sivill@usda.gov