Weather WorldErratic Lake, MT 7-Day Weather Forecast
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Erratic Lake Weather Forecast
Erratic Lake, MT Weather Forecast Date: 350 AM MDT Tue Sep 08 2026
Weather forecast for Erratic Lake, MT
Today Hi: 61°FHi: 16°C Lo: 29°F Lo: -2°C |
Today... Sunny. Highs in the lower 60s. West winds 10 to 20 mph. |
| Wed Hi: 69°FHi: 21°C Lo: 35°F Lo: 2°C |
Wednesday... Sunny. Highs in the upper 60s. West winds 5 to 15 mph. |
| Thu Hi: 71°FHi: 22°C Lo: 39°F Lo: 4°C |
Thursday... Sunny. Highs in the lower 70s. Southwest winds 5 to 15 mph. |
Fri Hi: 65°FHi: 18°C Lo: 31°F Lo: -1°C |
Friday... Mostly sunny. A 20% chance of rain showers in the afternoon. Highs in the mid 60s. |
Sat Hi: 61°FHi: 16°C Lo: 30°F Lo: -1°C |
Saturday... Partly sunny. Slight chance of snow showers early in the morning. Slight chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 60s. Chance of precipitation 40%. |
| Sun Hi: 55°FHi: 13°C Lo: 25°F Lo: -4°C |
Sunday... Partly sunny. Chance of snow showers in the morning, then chance of rain showers, snow showers and slight chance of thunderstorms in the afternoon. Highs in the mid 50s. Chance of precipitation 50%. |
Mon Hi: 59°FHi: 15°C |
Monday... Partly sunny with a 20% chance of snow showers in the morning, then sunny in the afternoon. Highs in the upper 50s. |
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