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Thomas Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY |
 |  | |  |  | | | |  | | |
| Sunny | Mostly Clear | Sunny | Chance of T-Storm | Chance of Rain | Clear | Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Chance of Rain |
| Hi: 81°FHi: 27°C | Lo: 52°FLo: 11°C | Hi: 81°FHi: 27°C | Lo: 51°FLo: 11°C | Hi: 66°FHi: 19°C | Hi: 72°FHi: 22°C Lo: 42°FLo: 6°C | Hi: 72°FHi: 22°C Lo: 42°FLo: 6°C | Lo: 46°FLo: 8°C | Hi: 79°FHi: 26°C Lo: 52°FLo: 11°C | Hi: 79°FHi: 26°C Lo: 52°FLo: 11°C | Hi: 78°FHi: 26°C |
| POP: 70% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1231 AM MDT Sat Sep 05 2026 
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Issued: 1147 AM MDT Sat Sep 5 2026
Key Messages
- Favorable Saturday and Most of Sunday: Low-level southerly flow will boost valley temperatures into the lower 80s today and on Sunday. Rain chances hold off until late Sunday evening and overnight, keeping the vast majority of Sunday daylight hours dry.
- Lighter Rain Totals & Late Holiday Clearing: Storm-total precipitation has trended lower down to 0.10"0.30". Morning rain and cloud cover on Labor Day Monday will clear by early- to-mid afternoon, leaving cool conditions (highs in the...