Spot Forecast
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
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183 FNUS75 KMSO 181055 FWSMSO Spot Forecast for Macallister Fire National Weather Service Missoula MT 455 AM MDT Mon Aug 18 2025 Forecast is based on forecast start time of 0600 MDT on August 18. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION...Another round of storms are expected to develop after 1400 MDT. Stronger storms will be capable of outflow winds up to 45 mph along with heavy rain. Temperatures will be warmer today with gusty southwesterly winds. A ridge strengthens over the region on Tuesday cause hot and dry conditions, but winds should be significantly lighter. A dry cold front is expected to move through the region on Wednesday causing increase winds. .TODAY... * Sky/Weather.........Mostly sunny. Chance of showers and thunderstorms after 1400 MDT. * CWR (> 0.10 Inch)...10 percent. * Chance Lightning....25 percent. * Max Temperature.....82-87. * Min Humidity........27-32 percent. * Wind (20 ft)........South 8-12 mph gusts to 20 mph shifting to the southwest 10-15 mph gusts to 30 mph in the afternoon. * Mixing Height.......2000 ft agl increasing to 13000 ft agl. * Mixing Winds........Southwest 15 mph. * Precip Amount.......0.00 inches. .TONIGHT... * Sky/Weather.........Partly cloudy. Slight chance of showers and thunderstorms in the evening. * CWR (> 0.10 Inch)...Less than 10 percent. * Chance Lightning....15 percent. * Min Temperature.....54-59. * Max Humidity........46-51 percent. * Wind (20 ft)........Southwest 9-14 mph shifting to the south around 10 mph overnight. * Mixing Height.......7000 ft agl decreasing to 500 ft agl. * Mixing Winds........South 10 mph. * Precip Amount.......0.00 inches. .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. * Mixing Height.......2000 ft agl increasing to 13500 ft agl. * Mixing Winds........South 15 mph. * Precip Amount.......0.00 inches. $$ Forecaster...Smith Requested by...Bob Culbreth Type of request...WILDFIRE .TAG 2520121.0/MSO .DELDT 08/18/25 .FormatterVersion 2.0.0 .EMAIL bob.culbreth@mt.gov