Frog Lake, MT Weather Forecast
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Frog Lake Weather Forecast
| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
| Clearing | Fog | Mostly Sunny | Fog | Partly Cloudy | Patchy Fog | Mostly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 50°FHi: 10°C | Lo: 25°FLo: -4°C | Hi: 55°FHi: 13°C | Lo: 26°FLo: -3°C | Hi: 56°FHi: 13°C | Lo: 30°FLo: -1°C | Hi: 60°FHi: 16°C | Lo: 30°FLo: -1°C | Hi: 65°FHi: 18°C | Lo: 36°FLo: 2°C | Hi: 65°FHi: 18°C | Lo: 35°FLo: 2°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1222 AM MDT Mon Oct 12 2026 

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Issued: 115 AM MDT Mon Oct 12 2026
Discussion
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KEY MESSAGES:- Hard freeze coming for the mornings.
- Valley fog and stratus will be common early this week.
- A warming and drying trend this week.
- Another cold and cold front on the way for early next week.
The winter storm is winding down this morning as the upper level low over the Pacific northwest is migrating south today. Expect cool, cloudy weather today as both the moisture source and the source of the cold air are cut off from the region today. That being said, there`s quite a b...
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