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


Alpine Lake, MT Weather Forecast Date: 552 PM MDT Sun Sep 13 2026
Weather forecast for Alpine Lake, MT
| Tonight Lo: 37°F Lo: 3°C |
Tonight... Partly cloudy with slight chance of rain showers in the evening, then mostly cloudy after midnight. Mostly cloudy with chance of snow showers and slight chance of rain showers late in the night. Lows 33 to 39. West winds 5 to 15 mph. Gusts up to 35 mph increasing to 60 mph after midnight. Chance of precipitation 50%. |
| Mon Hi: 48°FHi: 9°C Lo: 35°F Lo: 2°C |
Monday... Breezy. Mostly cloudy. Chance of rain showers and snow showers in the morning, then slight chance of rain showers in the afternoon. Highs 42 to 52. West winds 15 to 25 mph with gusts to around 60 mph Decreasing to 10 to 15 mph with gusts to around 45 mph in the afternoon. Chance of precipitation 50%. |
| Tue Hi: 53°FHi: 12°C Lo: 39°F Lo: 4°C |
Tuesday... Mostly cloudy. A 20% chance of rain showers in the afternoon. Highs 47 to 57. South winds up to 5 mph shifting to the east in the afternoon. |
| Wed Hi: 55°FHi: 13°C Lo: 39°F Lo: 4°C |
Wednesday... Mostly sunny. A 20% chance of rain showers in the morning. Highs 50 to 58. |
| Thu Hi: 65°FHi: 18°C Lo: 44°F Lo: 7°C |
Thursday... Mostly clear. Lows in the upper 30s. Highs 60 to 68. |
| Fri Hi: 61°FHi: 16°C Lo: 41°F Lo: 5°C |
Friday... Mostly sunny. Slight chance of rain showers in the morning, then chance of rain showers in the afternoon. Highs 56 to 64. Chance of showers 40%. |
| Sat Hi: 61°FHi: 16°C Lo: 41°F Lo: 5°C |
Saturday... Mostly sunny with a 20% chance of rain showers. Highs 55 to 65. |
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