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Box Elder County Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | MONDAY | MONDAY NIGHT | TUESDAY |
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| Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear |
| Hi: 80°FHi: 27°C | Lo: 50°FLo: 10°C | Hi: 80°FHi: 27°C | Lo: 50°FLo: 10°C | Hi: 81°FHi: 27°C | Lo: 51°FLo: 11°C | Hi: 81°FHi: 27°C Lo: 55°FLo: 13°C | Hi: 81°FHi: 27°C Lo: 55°FLo: 13°C | Hi: 81°FHi: 27°C Lo: 55°FLo: 13°C | Hi: 80°FHi: 27°C Lo: 51°FLo: 11°C | Hi: 80°FHi: 27°C Lo: 51°FLo: 11°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1029 AM MDT Wed Sep 30 2026 
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Issued: 1212 PM MDT Wed Sep 30 2026
Key Messages
.KEY MESSAGES, Issued 1040 AM MDT Wed Sep 30 2026...- High pressure will build across the western US through the latter half of the week, resulting in drier conditions along with a gradual warming trend through the weekend.
- A weakening storm system will bring the potential for at least spotty precipitation over the area on Monday.
Discussion
, Issued 1040 AM MDT Wed Sep 30 2026... An upper level low is in place south of the Four Corners area this morning and will track east-northeast ac...