Thompson Lakes, MT Weather Forecast
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Thompson Lakes Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
| Patchy Fog | Mostly Cloudy | Mostly Cloudy | Mostly Clear | Partly Cloudy | Partly Cloudy | Partly Cloudy | Chance of Rain | Rain and Snow | Rain and Snow | Chance of Snow | Partly Cloudy |
| Hi: 75°FHi: 24°C | Lo: 36°FLo: 2°C | Hi: 75°FHi: 24°C | Lo: 36°FLo: 2°C | Hi: 75°FHi: 24°C | Lo: 40°FLo: 4°C | Hi: 70°FHi: 21°C | Lo: 36°FLo: 2°C | Hi: 50°FHi: 10°C | Lo: 26°FLo: -3°C | Hi: 46°FHi: 8°C | Lo: 25°FLo: -4°C |
| POP: 50% | POP: 60% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1223 AM MDT Tue Oct 06 2026 

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Issued: 143 AM MDT Tue Oct 6 2026
Discussion
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KEY MESSAGES:- Mild conditions most of the week.
- Change to a cooler, moister pattern this weekend.
- Snow potential coming late next weekend and early next week.
Warm and dry conditions continue, for now, Friday while temperatures remain 15 to 20 degrees above normal southerly winds increase announcing a trough digging to our west.
There remains significant uncertainty in how fast change comes to the Northern Rockies and how exactly that change manifests itself. One thing does seem certa...
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