Weather WorldDewey Lake, MT 7-Day Weather Forecast
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Dewey Lake Weather Forecast
Dewey Lake, MT Weather Forecast Date: 901 AM MDT Wed Oct 28 2026
Weather forecast for Dewey Lake, MT
Today Hi: 45°FHi: 7°C Lo: 20°F Lo: -7°C |
Rest of Today... Partly sunny. Highs in the mid 40s. Southwest winds 10 to 20 mph. |
Thu Hi: 49°FHi: 9°C Lo: 25°F Lo: -4°C |
Thursday... Mostly sunny. Highs in the upper 40s. Southwest winds 5 to 15 mph. |
| Fri Hi: 55°FHi: 13°C Lo: 29°F Lo: -2°C |
Friday... Partly sunny. Highs in the mid 50s. South winds 5 to 10 mph. |
Sat Hi: 51°FHi: 11°C Lo: 29°F Lo: -2°C |
Saturday... Chance of snow showers in the morning, then rain showers likely in the afternoon. Highs in the lower 50s. Chance of precipitation 70%. |
| Sun Hi: 49°FHi: 9°C Lo: 21°F Lo: -6°C |
Sunday... Snow showers likely. Highs in the upper 40s. Chance of precipitation 70%. |
| Mon Hi: 45°FHi: 7°C Lo: 21°F Lo: -6°C |
Monday... Partly sunny. A 30% chance of snow showers in the morning. Highs in the mid 40s. |
| Tue Hi: 51°FHi: 11°C |
Tuesday... Mostly sunny. Highs in the lower 50s. |
Dewey Lake Radar Loop
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