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City of Riverton, UTRiverton, UT Weather Forecast
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Riverton Weather Forecast
| TONIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
 |  |  |  | |  |  | | | | | |
| Chance of T-Storm | Chance of T-Storm | Mostly Clear | Sunny | Mostly Clear | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Lo: 60°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 60°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C Lo: 60°FLo: 16°C |
| POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1236 PM MDT Sun Sep 06 2026 
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Issued: 1252 PM MDT Sun Sep 6 2026
Key Messages
- Gusty winds out of the southwest persist today across much of Utah and southwest Wyoming, with an emphasis on areas west of I-15.
- Tropical moisture advects north into Utah today increasing chances for precipitation.
- Threats for both flash flooding and isolated severe weather look to develop across central and southern Utah this afternoon with the arrival of tropical moisture.
- The active upper air pattern continues into next week (50-60% chance), potentially resulting in more precipit...