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Brigham Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
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| Chance of T-Storm | Thunderstorms | Thunderstorms | Chance of Showers | Partly Cloudy | Mostly Clear | Partly Cloudy | Mostly Clear | Partly Cloudy | Mostly Clear | Partly Cloudy | Partly Cloudy |
| Hi: 71°FHi: 22°C | Lo: 45°FLo: 7°C | Hi: 55°FHi: 13°C | Lo: 39°FLo: 4°C | Hi: 59°FHi: 15°C | Lo: 35°FLo: 2°C | Hi: 55°FHi: 13°C | Lo: 35°FLo: 2°C | Hi: 60°FHi: 16°C | Lo: 35°FLo: 2°C | Hi: 59°FHi: 15°C | Hi: 60°FHi: 16°C Lo: 35°FLo: 2°C |
| POP: 20% | POP: 100% | POP: 80% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 303 AM MDT Thu Oct 22 2026 
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Issued: 1029 PM MDT Wed Oct 21 2026
Key Messages
- Widespread precipitation will bring an elevated and prolonged threat of flash flooding across southern and central Utah through Thursday. There is a Slight Risk of excessive rainfall (level 2 of 4) across southern Utah on Thursday.
- There is a Marginal Risk (level 1 of 5) for severe thunderstorms is in place across southern and western Utah on Thursday.
- The late week storm will also bring accumulating snowfall to the high terrain across northern and central Utah on Friday, with 1-4" l...