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


Sidney Lake, MT Weather Forecast Date: 557 AM MDT Fri Aug 07 2026
Weather forecast for Sidney Lake, MT
| Today Hi: 86°FHi: 30°C Lo: 50°F Lo: 10°C |
Today... Sunny. Areas of smoke. Highs in the 80s to lower 90s. West winds 15 to 20 mph with gusts to around 30 mph in the afternoon. |
| Sat Hi: 85°FHi: 29°C Lo: 50°F Lo: 10°C |
Saturday... Sunny. Areas of smoke. Highs in the 80s. West winds to 15 mph with gusts to around 30 mph. |
| Sun Hi: 85°FHi: 29°C Lo: 46°F Lo: 8°C |
Sunday... Mostly sunny. Highs in the 80s. |
| Mon Hi: 80°FHi: 27°C Lo: 46°F Lo: 8°C |
Monday... Mostly sunny. Highs in the upper 70s to mid 80s. |
| Tue Hi: 80°FHi: 27°C Lo: 46°F Lo: 8°C |
Tuesday... Mostly sunny. Highs in the upper 70s to mid 80s. |
| Wed Hi: 76°FHi: 24°C Lo: 45°F Lo: 7°C |
Wednesday... Mostly sunny. Highs in the mid 70s to lower 80s. |
| Thu Hi: 75°FHi: 24°C |
Thursday... Mostly sunny. A 20% chance of showers and thunderstorms in the afternoon. Highs in the 70s. |
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