Lake Alva, MT 7-Day Weather Forecast
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Lake Alva Weather Forecast


Lake Alva, MT Weather Forecast Date: 1222 AM MDT Fri Sep 11 2026
Weather forecast for Lake Alva, MT
| Today Hi: 60°FHi: 16°C Lo: 36°F Lo: 2°C |
Today... Mostly cloudy. Chance of rain showers and a slight chance of thunderstorms in the morning. Chance of precipitation 50%. Cooler. Highs in the upper 50s to mid 60s. |
| Sat Hi: 60°FHi: 16°C Lo: 40°F Lo: 4°C |
Saturday... Mostly cloudy. Highs in the upper 50s to mid 60s. |
| Sun Hi: 50°FHi: 10°C Lo: 36°F Lo: 2°C |
Sunday... Rain likely in the morning, then rain showers likely and a slight chance of thunderstorms in the afternoon. Chance of precipitation 90%. Highs in the upper 40s to mid 50s. |
| Mon Hi: 55°FHi: 13°C Lo: 36°F Lo: 2°C |
Monday... Mostly cloudy with a 40% chance of rain. Highs in the 50s. |
| Tue Hi: 56°FHi: 13°C Lo: 36°F Lo: 2°C |
Tuesday... Partly cloudy. Highs in the mid 50s to lower 60s. |
| Wed Hi: 56°FHi: 13°C Lo: 36°F Lo: 2°C |
Wednesday... Mostly sunny with a 20% chance of rain. Highs in the mid 50s to lower 60s. |
| Thu Hi: 65°FHi: 18°C |
Thursday... Mostly sunny. Highs in the 60s. |
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