Riverton, WY Weather Forecast
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Riverton Weather Forecast
| REST OF TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
| Rain Showers | Chance of Showers | Snow Showers | Snow Showers | Showers Likely | Clearing | Mostly Clear | Sunny | Clear | Sunny | Clear | Mostly Sunny |
| Lo: 39°FLo: 4°C | Hi: 51°FHi: 11°C | Lo: 35°FLo: 2°C | Hi: 50°FHi: 10°C | Lo: 35°FLo: 2°C | Hi: 55°FHi: 13°C | Lo: 29°FLo: -2°C | Hi: 60°FHi: 16°C | Lo: 35°FLo: 2°C | Hi: 69°FHi: 21°C | Lo: 40°FLo: 4°C | Hi: 65°FHi: 18°C |
| POP: 40% | POP: 30% | POP: 80% | POP: 80% | POP: 60% |
POP = Probability of Precipitation.
Weather Outlook Updated: 217 AM MDT Tue Oct 13 2026 

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Issued: 458 AM MDT Tue Oct 13 2026
Key Messages
- Showers continue today through Wednesday, with the most numerous showers shifting further east, especially on Wednesday.
- Snow is expected in the higher elevations of the mountains, especially above 9000 feet. The highest amounts will be in the Wind River Range, where there is a greater than 1 out of 2 chance of 2 inches or more.
- Drier weather moves into northwestern areas on Wednesday, spreading everywhere by Thursday night. Dry and mild weather is expected Friday into the weekend.
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