| NWS Forecast for: Bitterroot/Sapphire Mountains Issued by: National Weather Service Missoula, MT Last Update: 1222 PM MDT Sat Aug 22 2026 | |
| Tonight: Mostly cloudy with a slight chance of showers and thunderstorms early in the evening, then mostly cloudy with a slight chance of rain showers late in the evening. Partly cloudy after midnight. Chance of precipitation 20 percent. Some thunderstorms may produce gusty winds. Lows in the upper 40s to mid 50s. Sunday: Mostly sunny. Highs in the mid 70s to lower 80s. Southwest winds to 15 mph with gusts to around 30 mph. Sunday Night: Mostly clear. Patchy smoke in the evening. Lows in the 40s. Monday: Mostly sunny. Highs in the upper 70s to mid 80s. Monday Night: Partly cloudy. Lows in the upper 40s to mid 50s. Tuesday: Mostly sunny. Highs in the upper 70s to mid 80s. Tuesday Night: Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 40s to mid 50s. Wednesday: Partly cloudy. Highs in the upper 70s to mid 80s. Wednesday Night: Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 40s to mid 50s. Thursday: Partly cloudy. Highs in the upper 70s to mid 80s. Thursday Night: Partly cloudy. Lows in the 40s to lower 50s. Friday: Mostly sunny. Highs in the mid 70s to lower 80s. Friday Night: Partly cloudy. Lows in the 40s. Saturday: Mostly sunny. Highs in the 70s. | |
| Zone Forecast: Bitterroot/Sapphire Mountains | |
Visit your local NWS office at: https://www.weather.gov/mso |