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

30°F

-1°C

Humidity 63%
Wind Speed N 0 MPH
Barometer 29.57 in (1001.36 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 05 Dec 10:35 PM MST
Extended Forecast for

Riverton WY

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. Calm wind becoming west 5 to 8 mph after midnight.

    Low: 26 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 45. Breezy, with a west northwest wind 14 to 22 mph, with gusts as high as 34 mph.

    High: 45 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 18. West southwest wind around 10 mph.

    Low: 18 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 41. Southwest wind 6 to 10 mph.

    High: 41 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 19. Southwest wind around 7 mph.

    Low: 19 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 44. Southwest wind 3 to 6 mph.

    High: 44 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 26. Southwest wind 7 to 10 mph.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain showers before 11pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.

    Low: 29 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 26. Calm wind becoming west 5 to 8 mph after midnight.
Saturday
Mostly sunny, with a high near 45. Breezy, with a west northwest wind 14 to 22 mph, with gusts as high as 34 mph.
Saturday Night
Partly cloudy, with a low around 18. West southwest wind around 10 mph.
Sunday
Mostly sunny, with a high near 41. Southwest wind 6 to 10 mph.
Sunday Night
Partly cloudy, with a low around 19. Southwest wind around 7 mph.
Monday
Mostly sunny, with a high near 44. Southwest wind 3 to 6 mph.
Monday Night
Mostly cloudy, with a low around 26. Southwest wind 7 to 10 mph.
Tuesday
Partly sunny, with a high near 53.
Tuesday Night
A slight chance of rain showers before 11pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Wednesday
A chance of rain and snow showers, mainly before 11am. Partly sunny, with a high near 51. Chance of precipitation is 30%.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 47.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Partly sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.04°N 108.41°W (Elev. 5046 ft)
Last Update:
8:47 pm MST Dec 5, 2025
Forecast Valid:
10pm MST Dec 5, 2025-6pm MST Dec 12, 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