| NWS Forecast for: Lower Clark Fork Region Issued by: National Weather Service Missoula, MT Last Update: 1223 PM MDT Tue Sep 1 2026 |  |
| Tonight: Mostly cloudy. A 50 percent chance of areas of rain in the evening. Patchy fog late in the night. Lows in the upper 40s to mid 50s. Wednesday: A chance of rain in the morning, then rain showers likely and a slight chance of thunderstorms in the afternoon. Areas of fog in the morning. Chance of precipitation 80 percent. Cooler. Highs in the mid 60s to lower 70s. Wednesday Night: Mostly cloudy with a 50 percent chance of rain. Patchy fog after midnight. Lows in the 40s. Thursday: Rain likely in the morning, then a chance of rain in the afternoon. Patchy fog in the morning. Chance of rain 80 percent. Highs in the 60s. Thursday Night: Mostly cloudy with a 50 percent chance of rain. Areas of fog after midnight. Lows in the 40s. Friday: Rain likely in the morning, then rain showers likely and a chance of thunderstorms in the afternoon. Areas of fog in the morning. Chance of precipitation 60 percent. Highs in the mid 60s to lower 70s. Friday Night: Mostly cloudy. Chance of rain showers and a slight chance of thunderstorms in the evening, then a chance of rain after midnight. Chance of precipitation 40 percent. Lows in the 40s. Saturday: Partly cloudy. A chance of rain and a slight chance of thunderstorms in the morning. Chance of precipitation 30 percent. Highs in the 70s. Saturday Night: Mostly cloudy in the evening then becoming partly cloudy. A 30 percent chance of rain. Lows in the 40s to lower 50s. Sunday: Mostly cloudy with a 30 percent chance of rain. Highs in the mid 70s to lower 80s. Sunday Night: Mostly cloudy. Chance of rain showers and a slight chance of thunderstorms in the evening, then a chance of rain after midnight. Chance of precipitation 50 percent. Lows in the mid 40s to lower 50s. Labor Day: Rain likely. Chance of rain 60 percent. Highs in the upper 60s to mid 70s. Monday Night: Mostly cloudy with a 50 percent chance of rain. Lows in the 40s to lower 50s. Tuesday: Mostly cloudy with a 40 percent chance of rain. Highs in the upper 60s to mid 70s. | |
| Zone Forecast: Lower Clark Fork Region | |
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