Weather WorldCircle Town County, MT Weather Forecast
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Circle Town County Weather Forecast
| REST OF TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | MONDAY |
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| Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Chance of Showers | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Clear | Mostly Clear | Mostly Sunny |
| Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 39°FLo: 4°C | Hi: 60°FHi: 16°C | Hi: 69°FHi: 21°C Lo: 40°FLo: 4°C | Hi: 69°FHi: 21°C Lo: 40°FLo: 4°C | Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C Lo: 45°FLo: 7°C | Hi: 71°FHi: 22°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1246 AM MDT Tue Sep 29 2026 
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Issued: 1117 PM MDT Mon Sep 28 2026
Key Messages
- Warm, dry, and gusty conditions this afternoon will be monitored for any fire weather concerns. Conditions are also just short of Lake Wind Advisory and this will be monitored for as well.
- The first major frost of the season is possible along river bottoms Thursday morning, due to cooler surface temperatures associated behind a cold front.
- There is a small chance for isolated shower or thunderstorm Friday afternoon and evening. Totals do not look significant.
Discussion
... Synoptic Se...