| NWS Forecast for: Lower Clark Fork Region Issued by: National Weather Service Missoula, MT Last Update: 1222 PM MDT Tue Aug 18 2026 |  |
| Tonight: Mostly clear. Lows in the upper 40s to mid 50s. West winds to 15 mph in the evening. Wednesday: Mostly sunny. Highs in the 80s. Wednesday Night: Partly cloudy. Lows in the upper 40s to mid 50s. Thursday: Mostly sunny. Highs in the upper 80s to mid 90s. Thursday Night: Mostly clear. Lows in the mid 50s to lower 60s. Friday: Partly cloudy. Highs in the upper 80s to mid 90s. Friday Night: Mostly cloudy. A 20 percent chance of showers and thunderstorms after midnight. Lows in the mid 50s to lower 60s. Saturday: Mostly cloudy. Slight chance of rain in the morning, then slight chance of showers and thunderstorms in the afternoon. Chance of precipitation 20 percent. Highs in the 80s. Saturday Night: Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms in the evening, then partly cloudy with a slight chance of rain after midnight. Chance of precipitation 40 percent. Lows in the upper 40s to mid 50s. Sunday: Mostly sunny. Highs in the upper 70s to mid 80s. Sunday Night: Mostly clear. Lows in the upper 40s to mid 50s. Monday: Mostly sunny. Highs in the 80s. Monday Night: Mostly clear. Lows in the 50s. Tuesday: Mostly sunny. Highs in the mid 80s to lower 90s. | |
| Zone Forecast: Lower Clark Fork Region | |
Visit your local NWS office at: https://www.weather.gov/mso |