National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Riverton Regional Airport (KRIW)

Lat: 43.06219°NLon: 108.44701°WElev: 5443.0ft.

Clear

34°F

1°C

Humidity 59%
Wind Speed WNW 9 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 06 Dec 07:35 PM MST
Extended Forecast for

Riverton WY

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 16. West northwest wind 5 to 11 mph becoming south after midnight.

    Low: 16 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 40. South wind 6 to 9 mph becoming north northeast in the afternoon.

    High: 40 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 18. South southwest wind around 7 mph.

    Low: 18 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 47. Southwest wind 6 to 9 mph.

    High: 47 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 27. Breezy, with a south southwest wind 10 to 16 mph, with gusts as high as 23 mph.

    Low: 27 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tuesday

    Tuesday: A 20 percent chance of showers after 11am. Partly sunny, with a high near 54. Breezy, with a southwest wind 10 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph.

    High: 54 °F

    Slight Chance
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of rain showers before 11pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 27. Northwest wind around 10 mph becoming south in the evening. Chance of precipitation is 30%.

    Low: 27 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain and snow showers. Partly sunny, with a high near 52. Chance of precipitation is 40%.

    High: 52 °F

    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain and snow showers. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.

    Low: 26 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 16. West northwest wind 5 to 11 mph becoming south after midnight.
Sunday
Partly sunny, with a high near 40. South wind 6 to 9 mph becoming north northeast in the afternoon.
Sunday Night
Partly cloudy, with a low around 18. South southwest wind around 7 mph.
Monday
Mostly sunny, with a high near 47. Southwest wind 6 to 9 mph.
Monday Night
Mostly cloudy, with a low around 27. Breezy, with a south southwest wind 10 to 16 mph, with gusts as high as 23 mph.
Tuesday
A 20 percent chance of showers after 11am. Partly sunny, with a high near 54. Breezy, with a southwest wind 10 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph.
Tuesday Night
A chance of rain showers before 11pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 27. Northwest wind around 10 mph becoming south in the evening. Chance of precipitation is 30%.
Wednesday
A chance of rain and snow showers. Partly sunny, with a high near 52. Chance of precipitation is 40%.
Wednesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Thursday
A slight chance of rain and snow showers. Partly sunny, with a high near 42. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 18.
Friday
Mostly sunny, with a high near 41.
Friday Night
Partly cloudy, with a low around 19.
Saturday
Mostly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.02°N 108.38°W (Elev. 4931 ft)
Last Update:
7:01 pm MST Dec 6, 2025
Forecast Valid:
7pm MST Dec 6, 2025-6pm MST Dec 13, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation