Weather WorldSummit Lake, MT 7-Day Weather Forecast
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Summit Lake Weather Forecast
Summit Lake, MT Weather Forecast Date: 1229 PM MDT Sat Oct 24 2026
Weather forecast for Summit Lake, MT
Tonight Lo: 26°F Lo: -3°C |
Tonight... Mostly cloudy early in the evening then becoming partly cloudy. Areas of fog late in the evening. Patchy fog after midnight. Lows in the mid 20s to lower 30s. |
Sun Hi: 46°FHi: 8°C Lo: 25°F Lo: -4°C |
Sunday... Partly cloudy. Highs in the 40s to lower 50s. |
| Mon Hi: 46°FHi: 8°C Lo: 26°F Lo: -3°C |
Monday... Partly cloudy. Highs in the mid 40s to lower 50s. |
Tue Hi: 40°FHi: 4°C Lo: 26°F Lo: -3°C |
Tuesday... Rain and snow likely. Chance of precipitation 80%. Highs in the upper 30s to mid 40s. |
Wed Hi: 45°FHi: 7°C Lo: 25°F Lo: -4°C |
Wednesday... Mostly cloudy with a slight chance of rain. A chance of snow. Chance of precipitation 30%. Highs in the 40s. |
| Thu Hi: 40°FHi: 4°C Lo: 25°F Lo: -4°C |
Thursday... Mostly cloudy with a slight chance of snow. Slight chance of rain in the afternoon. Chance of precipitation 20%. Highs in the upper 30s to mid 40s. |
| Fri Hi: 40°FHi: 4°C Lo: 23°F Lo: -5°C |
Friday... Mostly cloudy. A chance of snow in the morning, then slight chance of rain and snow in the afternoon. Chance of precipitation 40%. Highs in the upper 30s to mid 40s. |
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