| NWS Forecast for: Butte/Blackfoot Region Issued by: National Weather Service Missoula, MT Last Update: 1222 AM MDT Thu Sep 17 2026 |  |
| Today: Mostly cloudy. Patchy fog early in the morning. A 20 percent chance of showers and thunderstorms late in the afternoon. Highs in the 70s. South winds 15 to 20 mph in the afternoon. Tonight: Mostly cloudy with a 50 percent chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the 40s. South winds to 15 mph. Friday: Mostly cloudy. Slight chance of rain in the morning, then chance of showers and thunderstorms in the afternoon. Chance of precipitation 50 percent. Highs in the 60s to lower 70s. North winds to 15 mph. Friday Night: Rain showers likely and a slight chance of thunderstorms in the evening, then rain likely after midnight. Chance of precipitation 90 percent. Lows in the 40s. Saturday: Rain likely in the morning, then rain showers likely and a slight chance of thunderstorms in the afternoon. Chance of precipitation 90 percent. Highs in the 60s. Saturday Night: Mostly cloudy with a 20 percent chance of rain in the evening, then mostly clear after midnight. Lows in the upper 30s to mid 40s. Sunday: Mostly sunny. Highs in the mid 60s to lower 70s. Sunday Night: Clear. Lows in the upper 30s to mid 40s. Monday: Sunny. Highs in the upper 60s to mid 70s. Monday Night: Mostly clear. Lows in the 40s. Tuesday: Mostly sunny. Highs in the upper 60s to mid 70s. Tuesday Night: Mostly clear. Lows in the upper 30s to mid 40s. Wednesday: Mostly sunny. Highs in the upper 60s to mid 70s. | |
| Zone Forecast: Butte/Blackfoot Region | |
Visit your local NWS office at: https://www.weather.gov/mso |