Weather WorldMason Lake, MT 7-Day Weather Forecast
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Mason Lake Weather Forecast
Mason Lake, MT Weather Forecast Date: 1232 AM MDT Tue Oct 20 2026
Weather forecast for Mason Lake, MT
Today Hi: 55°FHi: 13°C Lo: 36°F Lo: 2°C |
Today... Mostly sunny. Highs 49 to 59. South winds up to 10 mph. |
| Wed Hi: 56°FHi: 13°C Lo: 39°F Lo: 4°C |
Wednesday... Mostly sunny. Highs 50 to 60. South winds up to 15 mph with gusts to around 30 mph. |
Thu Hi: 56°FHi: 13°C Lo: 37°F Lo: 3°C |
Thursday... Mostly sunny. A 20% chance of rain in the afternoon. Highs 50 to 60. South winds 5 to 15 mph. Gusts up to 25 mph increasing to 35 mph in the afternoon. |
Fri Hi: 41°FHi: 5°C Lo: 25°F Lo: -4°C |
Friday... Colder. Rain and slight chance of snow in the morning, then rain and snow in the afternoon. Heavy snow accumulations. Highs 37 to 43. Chance of precipitation near 100%. |
Sat Hi: 38°FHi: 3°C Lo: 25°F Lo: -4°C |
Saturday... Partly cloudy. Highs 33 to 41. Lows 21 to 27. |
| Sun Hi: 44°FHi: 7°C Lo: 29°F Lo: -2°C |
Sunday... Mostly sunny. Highs 39 to 47. |
| Mon Hi: 46°FHi: 8°C |
Monday... Mostly sunny. Highs 41 to 49. |
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