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City of Riverton, UTRiverton, UT Weather Forecast
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Riverton Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
 |  |  | |  |  | | | |  | | |
| Chance of Showers | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Cloudy | Chance of Showers | Chance of Showers | Showers Likely | Chance of Showers | Rain | Rain | Chance of Rain |
| Lo: 41°FLo: 5°C | Hi: 60°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 50°FLo: 10°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 60°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 51°FHi: 11°C | Lo: 40°FLo: 4°C | Hi: 50°FHi: 10°C |
| POP: 30% | POP: 20% | POP: 50% | POP: 60% | POP: 70% | POP: 90% | POP: 80% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1241 PM MDT Tue Oct 27 2026 
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Issued: 1212 PM MDT Tue Oct 27 2026
Key Messages
.KEY MESSAGES, Issued 1006 AM MDT Tue Oct 27 2026...- Generally dry and seasonable conditions will persist through Thursday, with a weak grazing system tonight into Wednesday morning bringing a low chance of precipitation near the Utah/Idaho border.
- Moisture will increase over the area beginning Friday, bringing an increasing threat of flash flooding. The area will see a more substantial increase in moisture and instability and thus the potential for flooding Sunday into Monday as a s...