Spot Forecast
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
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537 FNUS75 KMSO 120922 FWSMSO Spot Forecast for Barnum Fire National Weather Service Missoula MT 322 AM MDT Fri Sep 12 2025 Forecast is based on forecast start time of 0700 MDT on September 12. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION...The chance for showers and thunderstorms occurring ramps up between 4 and 8 pm (up to 50%), then 20% chance thereafter through 10 pm. Erratic winds to 35 mph are possible with the showers. Clearing out later tonight. Shower coverage on Saturday afternoon will be less. Increasing clouds on Sunday with southwest winds increasing generally staying below 20 mph for gusts. Rain is possible by Sunday night into Monday and the chance for a wetting rain is 40%. .TODAY... * Sky/Weather.........Partly cloudy. Chance of showers and thunderstorms in the afternoon. * CWR (> 0.10 Inch)...25 percent. * Chance Lightning....40 percent. * Max Temperature.....64-68. * Min Humidity........42-46 percent. * Wind (20 ft)........Variable 2-4 mph becoming southwest 5-6 mph in the afternoon. * Precip Amount.......0.02 - 0.14 inches. .TONIGHT... * Sky/Weather.........Partly cloudy. 50% Chance of showers and thunderstorms in the evening. Patchy fog by morning. * CWR (> 0.10 Inch)...50 percent. * Chance Lightning....40 percent. * Min Temperature.....49-54. * Max Humidity........72-77 percent. * Wind (20 ft)........Variable 4 to 7 mph. Erratic winds to 35 mph with showers. * Precip Amount.......0.08 - 0.20 inches. .SATURDAY... * Sky/Weather.........Mostly sunny in the morning. Partly cloudy in the afternoon with a slight chance for a shower. * CWR (> 0.10 Inch)...10 percent. * Chance Lightning....Up to 10 percent. * Max Temperature.....65-70. * Min Humidity........44-49 percent. * Wind (20 ft)........Variable 2-4 mph becoming west-northwest 4 to 6 mph in the afternoon. * Precip Amount.......0.00 - 0.02 inches. $$ Forecaster...Noble Requested by...Mark Fisher Type of request...WILDFIRE .TAG 2521815.1/MSO .DELDT 09/12/25 .FormatterVersion 2.0.0 .EMAIL robert.fisher@mt.gov