Heavy Rain in the Southeast; Wintry Mix from the Plains through the Ohio Valley

A storm system will bring a number impacts to the central and eastern US. Heavy rain and thunderstorms are expected in the Gulf Coast and Deep South. Further north, a wintry mix may produce a glaze of ice from the Ozarks/Mid-South east through the Ohio Valley. Accumulating snow is expected from the central Plains east into the Upper Ohio Valley/Lower Great Lakes. Read More >

Hazardous Weather Conditions

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

3°F

-16°C

Humidity 84%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Last update 01 Dec 07:20 AM MST
Extended Forecast for

Riverton WY

  • Today

    Today: Sunny, with a high near 32. Wind chill values as low as zero. Light and variable wind.

    High: 32 °F

    Sunny

  • Tonight

    Tonight: A slight chance of snow showers between 9pm and 1am.  Mostly cloudy, with a low around 15. North northwest wind 5 to 11 mph becoming southwest after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 20%.

    Low: 15 °F

    Slight Chance
    Snow Showers

  • Tuesday

    Tuesday: A 20 percent chance of snow showers after 11am.  Partly sunny, with a high near 38. Southwest wind 5 to 8 mph becoming light and variable.

    High: 38 °F

    Slight Chance
    Snow Showers

  • Tuesday Night

    Tuesday Night: Snow showers likely.  Cloudy, with a low around 19. North northwest wind around 6 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 19 °F

    Snow Showers
    Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 32. North wind around 6 mph becoming southeast in the afternoon.

    High: 32 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 6. South southwest wind around 6 mph.

    Low: 6 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 32. South southwest wind 3 to 6 mph.

    High: 32 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 11.

    Low: 11 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 32. Wind chill values as low as zero. Light and variable wind.
Tonight
A slight chance of snow showers between 9pm and 1am. Mostly cloudy, with a low around 15. North northwest wind 5 to 11 mph becoming southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Tuesday
A 20 percent chance of snow showers after 11am. Partly sunny, with a high near 38. Southwest wind 5 to 8 mph becoming light and variable.
Tuesday Night
Snow showers likely. Cloudy, with a low around 19. North northwest wind around 6 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday
Mostly sunny, with a high near 32. North wind around 6 mph becoming southeast in the afternoon.
Wednesday Night
Mostly clear, with a low around 6. South southwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 32. South southwest wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 11.
Friday
Mostly sunny, with a high near 37.
Friday Night
Mostly cloudy, with a low around 19.
Saturday
A slight chance of rain and snow showers. Partly sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 16.
Sunday
Mostly sunny, with a high near 39.
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ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.02°N 108.35°W (Elev. 4905 ft)
5:31 am MST Dec 1, 2025
7am MST Dec 1, 2025-6pm MST Dec 7, 2025
 
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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