Trouble Lake, MT Weather Forecast
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Trouble Lake Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
| Sunny | Mostly Clear | Mostly Sunny | Mostly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers | Mostly Clear | Sunny | Mostly Clear |
| Hi: 65°FHi: 18°C | Lo: 30°FLo: -1°C | Hi: 71°FHi: 22°C | Lo: 35°FLo: 2°C | Hi: 71°FHi: 22°C | Lo: 35°FLo: 2°C | Hi: 61°FHi: 16°C | Lo: 30°FLo: -1°C | Hi: 61°FHi: 16°C | Lo: 29°FLo: -2°C | Hi: 69°FHi: 21°C | Lo: 31°FLo: -1°C |
| POP: 70% | POP: 70% | POP: 70% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 350 AM MDT Tue Sep 15 2026 

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Issued: 1257 AM MDT Tue Sep 15 2026
Key Messages
- Cooler than normal through Wednesday, then seasonable temperatures.
- Increasing chances for showers and thunderstorms Thursday through Saturday. Locally heavy rain possible, especially east of Billings.
Discussion
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Through next Monday...
Satellite imagery shows the departing upper low over southern Manitoba and a flatter W-NW flow over the northern Rockies. There is an upstream shortwave along the BC coast that will be a player for us later this week. Winds are decreasing and will shif...
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