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


Fish Lake, MT Weather Forecast Date: 1232 AM MDT Fri Aug 21 2026
Weather forecast for Fish Lake, MT
| Today Hi: 97°FHi: 36°C Lo: 56°F Lo: 13°C |
Today... Partly cloudy. Hot. Highs 93 to 100. |
| Sat Hi: 95°FHi: 35°C Lo: 56°F Lo: 13°C |
Saturday... Cloudy with a slight chance of rain in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Chance of precipitation 20%. Hot. Highs in the 90s. |
| Sun Hi: 80°FHi: 27°C Lo: 46°F Lo: 8°C |
Sunday... Mostly sunny. A 20% chance of rain in the afternoon. Highs in the upper 70s to mid 80s. |
| Mon Hi: 85°FHi: 29°C Lo: 46°F Lo: 8°C |
Monday... Mostly sunny. Highs in the 80s. |
| Tue Hi: 86°FHi: 30°C Lo: 50°F Lo: 10°C |
Tuesday... Mostly sunny. Highs in the mid 80s to lower 90s. |
| Wed Hi: 86°FHi: 30°C Lo: 46°F Lo: 8°C |
Wednesday... Partly cloudy. Highs in the mid 80s to lower 90s. |
| Thu Hi: 80°FHi: 27°C |
Thursday... Partly cloudy. Highs in the upper 70s to mid 80s. |
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