Spot Forecast
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
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104 FNUS75 KMSO 190359 FWSMSO Spot Forecast for Macallister Fire National Weather Service Missoula MT 959 PM MDT Mon Aug 18 2025 Forecast is based on forecast start time of 0700 MDT on August 19. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION... Hot and dry conditions are expected on Tuesday with near critical fire weather conditions. A cold front is expected to move through the region on Wednesday causing increase winds and afternoon thunderstorms. Gusty outflow winds are the main concern with Wednesday`s storms. Not as hot or as dry on Thursday and Friday. .TUESDAY... * Sky/Weather.........Mostly sunny. * CWR (> 0.10 Inch)...0 percent. * Chance Lightning....0 percent. * Max Temperature.....89-94. * Min Humidity........11-16 percent. * Wind (20 ft)........South around 10 mph with gusts around 18 mph in the afternoon. * Mixing Height.......2000 ft agl increasing to 14500 ft agl. * Mixing Winds........South 15 mph. * Precip Amount.......0.00 inches. .TUESDAY NIGHT... * Sky/Weather.........Mostly clear. * CWR (> 0.10 Inch)...0 percent. * Chance Lightning....0 percent. * Min Temperature.....57-62. * Max Humidity........31-36 percent. * Wind (20 ft)........South 10-15 mph. * Mixing Height.......13000 ft agl decreasing to 500 ft agl. * Mixing Winds........South 15 mph. * Precip Amount.......0.00 inches. .WEDNESDAY... * Sky/Weather.........Partly cloudy. * CWR (> 0.10 Inch)...0 percent. * Chance Lightning....0 percent. * Max Temperature.....86-91. * Min Humidity........21-26 percent. * Wind (20 ft)........South 9-10 mph shifting to the west 10-12 mph with gusts around 22 mph in the afternoon. * Mixing Height.......2500 ft agl increasing to 12500 ft agl. * Mixing Winds........Southwest 15 mph. * Precip Amount.......0.00 inches. .FORECAST DAYS 3 THROUGH 5... .THURSDAY... Mostly clear. Slight chance of showers. Lows 52-57. Highs 79-84. Northwest winds 6-12 mph. .FRIDAY... Mostly clear. Lows 49-54. Highs 78-83. North winds 6-10 mph. .SATURDAY... Mostly clear. Lows 50-55. Highs 82-87. North winds 6-10 mph. $$ Forecaster...Kitsmiller Requested by...Bob Culbreth Type of request...WILDFIRE .TAG 2520121.1/MSO .DELDT 08/18/25 .FormatterVersion 2.0.0 .EMAIL bob.culbreth@mt.gov