Weather WorldUpper Reservoir, MT 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Upper Reservoir, MT Weather Forecast
Upper Reservoir, MT Weather Forecast Date: 1222 PM MDT Mon Aug 10 2026
The area/counties/county of: Butte/Blackfoot Region, including the cities of: Anaconda, Deer Lodge, and Drummond.or toggle through each period.
Tonight... Mostly clear. Patchy smoke in the evening, then areas of smoke after midnight. Lows in the 40s to lower 50s. Northwest winds 15 to 20 mph with gusts to around 30 mph in the evening.
Tuesday... Mostly sunny. Areas of smoke. Highs in the upper 70s to mid 80s. West winds to 15 mph.
Tuesday Night... Partly cloudy. Patchy smoke in the evening, then areas of smoke after midnight. Lows in the mid 40s to lower 50s. Northwest winds to 15 mph.
Wednesday... Mostly sunny in the morning, then mostly cloudy with a chance of rain showers and a slight chance of thunderstorms in the afternoon. Areas of smoke in the morning. Chance of precipitation 30%. Highs in the mid 70s to lower 80s.
Wednesday Night... Mostly cloudy with a chance of rain showers. Slight chance of thunderstorms in the evening. Chance of precipitation 40%. Lows in the 40s.
Thursday... Patchy fog in the morning. Rain showers likely and a chance of thunderstorms in the afternoon. Chance of precipitation 70%. Highs in the mid 60s to lower 70s.
Thursday Night... Rain showers likely and a chance of thunderstorms in the evening, then a chance of rain after midnight. Chance of precipitation 90%. Lows in the 40s.
Friday... A chance of rain in the morning, then rain showers likely and a chance of thunderstorms in the afternoon. Chance of precipitation 90%. 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 slight chance of rain after midnight. Chance of precipitation 50%. Lows in the upper 30s to mid 40s.
Saturday... Mostly cloudy. A 50% chance of showers and thunderstorms in the afternoon. Highs in the upper 60s to mid 70s.
Saturday Night... Mostly cloudy with a 20% chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the 40s.
Sunday... Partly cloudy. A 50% chance of showers and thunderstorms in the afternoon. Highs in the 70s.
Sunday Night... Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Chance of precipitation 40%. Lows in the 40s.
POP = Probability of Precipitation
Upper Reservoir Radar Loop
Use the map search tool if you want to place a location marker on the radar map...