Weather WorldThompson Reservoir, MT 7-Day Weather Forecast
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Thompson Reservoir Weather Forecast
Thompson Reservoir, MT Weather Forecast Date: 517 PM MDT Wed Aug 26 2026
Weather forecast for Thompson Reservoir, MT
Tonight Lo: 53°F Lo: 12°C |
Tonight... Mostly cloudy until early morning then becoming partly cloudy. Slight chance of thunderstorms early in the evening, then slight chance of rain showers late in the evening. Lows 48 to 56. South winds up to 10 mph. Chance of precipitation 20%. |
Thu Hi: 76°FHi: 24°C Lo: 52°F Lo: 11°C |
Thursday... Mostly sunny. Chance of rain showers and slight chance of dry thunderstorms in the afternoon. Highs 70 to 80. South winds up to 10 mph shifting to the southwest in the afternoon. Gusts up to 30 mph. Chance of precipitation 50%. |
| Fri Hi: 68°FHi: 20°C Lo: 49°F Lo: 9°C |
Friday... Mostly cloudy. Chance of rain showers in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs 62 to 72. South winds 5 to 15 mph with gusts to around 35 mph. Chance of precipitation 70%. |
| Sat Hi: 64°FHi: 18°C Lo: 42°F Lo: 6°C |
Saturday... Rain showers likely in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs 58 to 68. Chance of precipitation 90%. |
| Sun Hi: 60°FHi: 16°C Lo: 39°F Lo: 4°C |
Sunday... Partly sunny. Rain showers likely and slight chance of thunderstorms in the morning, then chance of thunderstorms in the afternoon. Highs 54 to 64. Chance of precipitation 70%. |
Mon Hi: 65°FHi: 18°C Lo: 45°F Lo: 7°C |
Monday... Sunny. Highs 59 to 69. |
| Tue Hi: 67°FHi: 19°C Lo: 45°F Lo: 7°C |
Tuesday... Mostly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 61 to 71. Chance of precipitation 40%. |
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