Weather WorldSweeney Lake, MT 7-Day Weather Forecast
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Sweeney Lake Weather Forecast
Sweeney Lake, MT Weather Forecast Date: 1229 PM MDT Fri Oct 23 2026
Weather forecast for Sweeney Lake, MT
Tonight Lo: 26°F Lo: -3°C |
Tonight... Mostly cloudy until early morning then becoming partly cloudy. A 50% chance of areas of rain and snow in the evening. Patchy fog after midnight. Lows in the mid 20s to lower 30s. |
Sat Hi: 45°FHi: 7°C Lo: 26°F Lo: -3°C |
Saturday... Mostly sunny. Highs in the 40s. |
Sun Hi: 46°FHi: 8°C Lo: 26°F Lo: -3°C |
Sunday... Partly cloudy. Highs in the mid 40s to lower 50s. Southeast winds to 15 mph. |
| Mon Hi: 46°FHi: 8°C Lo: 30°F Lo: -1°C |
Monday... Partly cloudy. A 20% chance of rain and snow in the afternoon. 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 in the morning, then a chance of rain and snow in the afternoon. Chance of precipitation 60%. Highs in the upper 30s to mid 40s. |
| Wed Hi: 36°FHi: 2°C Lo: 25°F Lo: -4°C |
Wednesday... 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 mid 30s to lower 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. |
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