| NWS Forecast for: Lower Clark Fork Region Issued by: National Weather Service Missoula, MT Last Update: 802 AM MDT Wed Sep 2 2026 | |
| Today: Areas of rain early in the morning, then chance of rain showers and a slight chance of thunderstorms late in the morning. Rain showers likely and a slight chance of thunderstorms in the afternoon. Areas of fog early in the morning. Chance of precipitation 90 percent. Cooler. Some thunderstorms may produce gusty winds. Highs in the 60s to lower 70s. Tonight: Partly cloudy in the evening then becoming mostly cloudy. A 20 percent chance of rain. Patchy fog after midnight. Lows in the 40s. Thursday: Rain likely in the morning, then chance of rain showers and a slight chance of thunderstorms in the afternoon. Patchy fog in the morning. Chance of precipitation near 100 percent. Highs in the 60s. Thursday Night: Rain likely. Areas of fog after midnight. Chance of rain 70 percent. Lows in the 40s. Friday: Mostly cloudy. A chance of rain in the morning, then chance of rain showers and a slight chance of thunderstorms in the afternoon. Areas of fog in the morning. Chance of precipitation 50 percent. Highs in the 60s. Friday Night: A chance of rain in the evening, then rain showers likely and a slight chance of thunderstorms after midnight. Areas of fog after midnight. Chance of precipitation 60 percent. Lows in the 40s. Saturday: Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Areas of fog in the morning. Chance of precipitation 50 percent. Highs in the upper 60s to mid 70s. Saturday Night: Partly cloudy with a 20 percent chance of rain. Lows in the 40s. Sunday: Partly cloudy with a 20 percent chance of rain. Highs in the 70s. Sunday Night: Slight chance of thunderstorms. Chance of rain showers in the evening, then rain showers likely after midnight. Chance of precipitation 60 percent. Lows in the 40s to lower 50s. Labor Day: A chance of rain in the morning, then rain showers likely and a slight chance of thunderstorms in the afternoon. Chance of precipitation 70 percent. Highs in the mid 60s to lower 70s. Monday Night: Rain likely in the evening, then a chance of rain after midnight. Chance of rain 60 percent. Lows in the 40s to lower 50s. Tuesday: Mostly cloudy with a 50 percent chance of rain. Highs in the mid 60s to lower 70s. | |
| Zone Forecast: Lower Clark Fork Region | |
Visit your local NWS office at: https://www.weather.gov/mso |