Sentinel High School, MT Weather Forecast
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Sentinel High School Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
| Chance of T-Storm | Chance of T-Storm | Chance of Rain | Mostly Clear | Sunny | Mostly Clear | Chance of Rain | Chance of T-Storm | Chance of T-Storm | Chance of Rain | Chance of Rain | Chance of Rain |
| Hi: 77°FHi: 25°C | Lo: 40°FLo: 4°C | Hi: 67°FHi: 19°C | Lo: 37°FLo: 3°C | Hi: 80°FHi: 27°C | Lo: 45°FLo: 7°C | Hi: 83°FHi: 28°C | Lo: 47°FLo: 8°C | Hi: 77°FHi: 25°C | Lo: 43°FLo: 6°C | Hi: 73°FHi: 23°C | Lo: 40°FLo: 4°C |
| POP: 50% | POP: 50% | POP: 20% | POP: 30% | POP: 50% | POP: 40% | POP: 20% | POP: 30% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 206 AM MDT Sat Aug 29 2026 

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Issued: 1258 AM MDT Sat Aug 29 2026
Discussion
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KEY MESSAGES:- Increasing showers and thunderstorms today.
- Temperatures cooling through the weekend, running 10 degrees below normal by Sunday.
- Brief warm up early next week, followed by another cool down.
Today-Sunday:
Beginning this morning, an upper-level low over Western Canada will elongate southward and close off over Washington state. Showers and isolated thunderstorms will develop early today, becoming more widespread through the afternoon as a cold front sweeps through the reg...
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