Weather WorldCircle Historical Marker, MT Weather Forecast
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Circle Historical Marker Weather Forecast
| REST OF TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
 |  | | |  |  |  | | | |  |  |
| Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Cloudy | Partly Sunny | Rain | Mostly Sunny | Mostly Clear | Mostly Sunny | Rain and Snow | Partly Cloudy |
| Lo: 35°FLo: 2°C | Hi: 69°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C | Lo: 35°FLo: 2°C | Hi: 49°FHi: 9°C | Lo: 29°FLo: -2°C | Hi: 49°FHi: 9°C | Lo: 29°FLo: -2°C | Hi: 45°FHi: 7°C Lo: 29°FLo: -2°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1251 AM MDT Wed Oct 21 2026 
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Issued: 1050 PM MDT Tue Oct 20 2026
Key Messages
- Dry weather will continue into Thursday night with temps remaining at or above seasonable norms as well.
- Precipitation chances ramp up Friday and Friday night.
- Cooler and drier weather expected for the weekend, with that continuing into early next week.
Discussion
... A fairly large upper low off the California coast will keep an induced ridge to its east, allowing NE MT to experience dry conditions and warmer than normal temps through Friday.
But the upper low will merge with southern ...