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Thomas Reservoir Weather Forecast
| REST OF TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
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| Chance of Showers | Clearing | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Lo: 56°FLo: 13°C | Hi: 85°FHi: 29°C | Lo: 56°FLo: 13°C | Hi: 89°FHi: 32°C | Lo: 59°FLo: 15°C | Hi: 90°FHi: 32°C Lo: 60°FLo: 16°C | Hi: 90°FHi: 32°C Lo: 60°FLo: 16°C | Hi: 91°FHi: 33°C Lo: 60°FLo: 16°C | Hi: 91°FHi: 33°C Lo: 60°FLo: 16°C | Lo: 60°FLo: 16°C | Hi: 89°FHi: 32°C | Lo: 61°FLo: 16°C |
| POP: 30% | POP: 10% | POP: 30% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1249 AM MDT Tue Sep 01 2026 
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Issued: 243 AM MDT Tue Sep 1 2026
Key Messages
- Warmer and drier conditions expected from Tuesday through Friday, with only a slight chance for thunderstorms, mainly over the higher terrain.
- Return of better moisture by the weekend with an increasing chance for showers and thundeerstorms across the high country.
Discussion
/Through Monday/... Issued at 240 AM MDT Tue Sep 1 2026
SW flow aloft will remain over the area today with drier air spreading across the area. Thus, will see much lower chances for showers/tstms this aftn. MLCAPE...