Weather WorldRainbow Lake, MT 7-Day Weather Forecast
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Rainbow Lake Weather Forecast
Rainbow Lake, MT Weather Forecast Date: 417 AM MDT Wed Sep 23 2026
Weather forecast for Rainbow Lake, MT
Tonight Lo: 39°F Lo: 4°C |
Tonight... Mostly cloudy with a 30% chance of rain showers. Lows in the upper 30s. |
Wed Hi: 55°FHi: 13°C Lo: 35°F Lo: 2°C |
Wednesday... Mostly cloudy in the morning, then becoming partly cloudy. A chance of rain showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 50s. West winds around 10 mph in the afternoon. Chance of rain 30%. |
Thu Hi: 65°FHi: 18°C Lo: 39°F Lo: 4°C |
Thursday... Mostly sunny. Highs in the mid 60s. |
| Fri Hi: 61°FHi: 16°C Lo: 41°F Lo: 5°C |
Friday... Mostly sunny. Highs in the lower 60s. |
| Sat Hi: 55°FHi: 13°C Lo: 39°F Lo: 4°C |
Saturday... Mostly sunny and breezy. Highs in the mid 50s. |
| Sun Hi: 59°FHi: 15°C Lo: 39°F Lo: 4°C |
Sunday... Partly cloudy with a chance of rain showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 50s. Chance of rain 30%. |
| Mon Hi: 51°FHi: 11°C Lo: 31°F Lo: -1°C |
Monday... Mostly cloudy in the morning, then becoming partly cloudy. A chance of rain showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 50s. Chance of rain 50%. |
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