284 FNUS75 KMSO 221846 FWSMSO Spot Forecast for Island Creek Fire National Weather Service Missoula MT 1246 PM MDT Fri Aug 22 2025 Forecast is based on forecast start time of 0700 MDT on August 23. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION...High pressure building over the Northern Rockies through the weekend will result in hot, dry conditions. Easterly winds will become northwesterly on Saturday afternoon. Humidity will be in the lower teens. Expect poor overnight humidity recovery and formation of thermal belts on the midslopes. Northwest winds continue on Sunday while monsoonal moisture begins to move into north-central Idaho and cloud cover increases. .SATURDAY... * Sky/Weather.........Mostly sunny. * CWR (> 0.10 Inch)...0 percent. * Chance Lightning....0 percent. * Max Temperature.....87-92. * Min Humidity........11-16 percent. * Wind (20 ft)........East 5-10 mph shifting to the northwest in the afternoon. * Mixing Height.......2500 ft agl increasing to 6500 ft agl. * Mixing Winds........East 5 mph. * Precip Amount.......0.00 inches. .SATURDAY NIGHT... * Sky/Weather.........Partly cloudy. * CWR (> 0.10 Inch)...0 percent. * Chance Lightning....0 percent. * Min Temperature.....61-66. * Max Humidity........32-37 percent. * Wind (20 ft)........Southwest 5-6 mph shifting to the southeast around 6 mph overnight. * Mixing Height.......5500 ft agl decreasing to 500 ft agl. * Mixing Winds........Southeast 5 mph. * Precip Amount.......0.00 inches. .SUNDAY... * Sky/Weather.........Partly cloudy. * CWR (> 0.10 Inch)...0 percent. * Chance Lightning....0 percent. * Max Temperature.....88-93. * Min Humidity........12-17 percent. * Wind (20 ft)........Southeast around 6 mph shifting to the northwest 5-10 mph with gusts to 15 mph in the afternoon. * Mixing Height.......3000 ft agl increasing to 10000 ft agl. * Mixing Winds........East 5 mph. * Precip Amount.......0.00 inches. $$ Forecaster...Messina Requested by...Anna Sivill Type of request...WILDFIRE .TAG 2520463.0/MSO .DELDT 08/22/25 .FormatterVersion 2.0.0 .EMAIL anna_sivill@firenet.gov