Chimney Lakes, MT Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Chimney Lakes Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
| Partly Cloudy | Mostly Cloudy | Chance of Rain | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Partly Cloudy | Mostly Clear | Mostly Sunny | Partly Cloudy | Partly Cloudy |
| Lo: 30°FLo: -1°C | Hi: 60°FHi: 16°C | Lo: 36°FLo: 2°C | Hi: 60°FHi: 16°C | Lo: 35°FLo: 2°C | Hi: 65°FHi: 18°C | Lo: 36°FLo: 2°C | Hi: 65°FHi: 18°C | Lo: 36°FLo: 2°C | Hi: 66°FHi: 19°C | Lo: 36°FLo: 2°C | Hi: 65°FHi: 18°C |
| POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1223 PM MDT Sat Sep 26 2026 

Chimney Lakes Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Chimney Lakes Weather Map
Chimney Lakes Quick Facts
Chimney Lakes Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 1215 PM MDT Sat Sep 26 2026
Discussion
...
KEY MESSAGES:- Mild conditions the rest of the week with only minor disturbances.
- Shortwave Monday to bring breezy conditions.
- Potential for a cold front Friday into the weekend, but confidence is low.
- Chances are increasing for a warm, dry early October beyond the 7 day forecast.
Overall mild conditions are expected the rest of the week. The weather patterns we expect throughout the week are: weak zonal (west-to-east) flow aloft, a shortwave on Monday in split flow, and some weak rid...
Weather World