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Circle Lake, MT Weather Forecast
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Circle Lake Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 |  | |  |  |  |  |  |  |  | | |
| Rain | Chance of Snow | Chance of Snow | Rain and Snow | Partly Cloudy | Patchy Fog | Mostly Sunny | Mostly Clear | Chance of Rain | Chance of Rain | Partly Cloudy | Mostly Clear |
| Hi: 55°FHi: 13°C | Lo: 26°FLo: -3°C | Hi: 45°FHi: 7°C | Lo: 25°FLo: -4°C | Hi: 46°FHi: 8°C | Lo: 25°FLo: -4°C | Hi: 55°FHi: 13°C | Lo: 26°FLo: -3°C | Hi: 55°FHi: 13°C | Lo: 30°FLo: -1°C | Hi: 56°FHi: 13°C | Lo: 30°FLo: -1°C |
| POP: 40% | POP: 40% | POP: 20% | POP: 30% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1223 AM MDT Sat Oct 10 2026 
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Issued: 227 AM MDT Sat Oct 10 2026
Discussion
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KEY MESSAGES:- Cold wet conditions today and a winter storm for the front range and southwest Montana.
- A quick rebound expected with warm temperatures again by late week.
A cold front is moving across the region this morning, and by this evening the snow levels will be low enough for snow reach many valleys in west central, northwest, and southwest Montana. Northeasterly flow along the Continental Divide will be enhanced by the terrain allowing much higher snow rates there. Snow amoun...