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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 43.02°N 108.38°W (Text-Only)
NWS Forecast for: Riverton WY
Issued by: National Weather Service Riverton, WY
Last Update: 10:47 pm MST Dec 4, 2025		Print

  • Tonight

    Tonight: Mostly cloudy, with a low around 20. West southwest wind 6 to 9 mph.

    Low: 20 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 39. West southwest wind around 5 mph becoming calm.

    High: 39 °F

    Decreasing
    Clouds

  • Friday
    Night

    Friday Night: A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 22. Southeast wind 6 to 8 mph becoming west after midnight.

    Low: 22 °F

    Slight Chance
    Snow Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 44. Northwest wind 7 to 9 mph.

    High: 44 °F

    Mostly Sunny

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 17. West southwest wind 6 to 8 mph.

    Low: 17 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 41. Southwest wind 3 to 8 mph.

    High: 41 °F

    Mostly Sunny

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 19. Southwest wind around 6 mph.

    Low: 19 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy



    • Tonight: Mostly cloudy, with a low around 20. West southwest wind 6 to 9 mph.

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 39. West southwest wind around 5 mph becoming calm.

    Friday Night: A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 22. Southeast wind 6 to 8 mph becoming west after midnight.

    Saturday: Mostly sunny, with a high near 44. Northwest wind 7 to 9 mph.

    Saturday Night: Partly cloudy, with a low around 17. West southwest wind 6 to 8 mph.

    Sunday: Mostly sunny, with a high near 41. Southwest wind 3 to 8 mph.

    Sunday Night: Partly cloudy, with a low around 19. Southwest wind around 6 mph.

    Monday: Mostly sunny, with a high near 46.

    Monday Night: Mostly cloudy, with a low around 23.

    Tuesday: Partly sunny, with a high near 52.

    Tuesday Night: A chance of rain and snow showers. Mostly cloudy, with a low around 27.

    Wednesday: A chance of rain and snow showers. Partly sunny, with a high near 47.

    Wednesday Night: A slight chance of rain and snow showers. Mostly cloudy, with a low around 21.

    Thursday: Mostly sunny, with a high near 44.


    Riverton WY
     43.02°N 108.38°W (Elev. 4931 ft)

    Visit your local NWS office at: https://www.weather.gov/riw