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


Square Lake, MT Weather Forecast Date: 1223 PM MDT Fri Oct 09 2026
Weather forecast for Square Lake, MT
| Tonight Lo: 36°F Lo: 2°C |
Tonight... Rain likely early in the evening. Areas of rain in the late evening and early morning, then rain likely late in the night. Chance of rain 70%. Lows in the mid 30s to lower 40s. West winds to 15 mph with gusts to around 30 mph in the evening. |
| Sat Hi: 50°FHi: 10°C Lo: 26°F Lo: -3°C |
Saturday... Mostly cloudy with a 50% chance of rain. Cooler. Highs in the upper 40s to mid 50s. North winds to 15 mph. |
| Sun Hi: 40°FHi: 4°C Lo: 26°F Lo: -3°C |
Sunday... A chance of rain. Snow likely in the morning, then a chance of snow in the afternoon. Chance of precipitation 70%. Snow level 3500 feet. Highs in the upper 30s to mid 40s. Northeast winds to 15 mph. |
| Columbus Day Hi: 46°FHi: 8°C Lo: 26°F Lo: -3°C |
Columbus Day... Mostly sunny. A 20% chance of snow in the morning. Highs in the mid 40s to lower 50s. |
| Tue Hi: 55°FHi: 13°C Lo: 30°F Lo: -1°C |
Tuesday... Mostly sunny. Highs in the 50s. |
| Wed Hi: 56°FHi: 13°C Lo: 30°F Lo: -1°C |
Wednesday... Partly cloudy with a slight chance of rain. Slight chance of snow in the morning. Chance of precipitation 20%. Highs in the 50s to lower 60s. |
| Thu Hi: 56°FHi: 13°C Lo: 30°F Lo: -1°C |
Thursday... Partly cloudy. Highs in the mid 50s to lower 60s. |
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