Riverside School, UT Weather Forecast
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Riverside School Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
| Mostly Clear | Partly Cloudy | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Partly Cloudy | Mostly Clear | Clearing |
| Lo: 39°FLo: 4°C | Hi: 79°FHi: 26°C | Lo: 41°FLo: 5°C | Hi: 75°FHi: 24°C | Lo: 40°FLo: 4°C | Hi: 79°FHi: 26°C | Hi: 81°FHi: 27°C Lo: 41°FLo: 5°C | Hi: 81°FHi: 27°C Lo: 41°FLo: 5°C | Lo: 49°FLo: 9°C | Hi: 81°FHi: 27°C | Lo: 45°FLo: 7°C | Hi: 80°FHi: 27°C |
| POP: 30% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1243 PM MDT Sun Sep 20 2026 

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Issued: 117 PM MDT Sun Sep 20 2026
Key Messages
- An upper level low dropping into the Great Basin late Monday will spark widespread showers and thunderstorms persisting through early Wednesday.
- Moisture becomes confined to eastern/southeastern Utah for the remainder of the week.
Discussion
...Dry and stable conditions remain across the region with temperatures running 5-7 degrees cooler than normal across northern Utah and near normal across southern Utah. Moisture starts to advect back into Utah and SW Wyoming tomorrow as an upper-l...
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