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

27°F

-3°C

Humidity 53%
Wind Speed ENE 5 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 01 Dec 02:20 PM MST
Extended Forecast for

Riverton WY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 27. Light northeast wind.

    High: 27 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 15. West southwest wind 6 to 9 mph.

    Low: 15 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of snow showers, mainly after 4pm.  Partly sunny, with a high near 37. West southwest wind 5 to 9 mph becoming north in the afternoon.  New snow accumulation of less than a half inch possible.

    High: 37 °F

    Partly Sunny
    then 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 31. North wind around 5 mph becoming light and variable.

    High: 31 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 7. South southwest wind 3 to 6 mph.

    Low: 7 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 33. South southwest wind 3 to 6 mph.

    High: 33 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 27. Light northeast wind.
Tonight
Mostly cloudy, with a low around 15. West southwest wind 6 to 9 mph.
Tuesday
A 40 percent chance of snow showers, mainly after 4pm. Partly sunny, with a high near 37. West southwest wind 5 to 9 mph becoming north in the afternoon. New snow accumulation of less than a half inch possible.
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 31. North wind around 5 mph becoming light and variable.
Wednesday Night
Mostly clear, with a low around 7. South southwest wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 33. South southwest wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 13.
Friday
Mostly sunny, with a high near 39.
Friday Night
A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 20.
Saturday
A chance of rain and snow showers. Partly sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 15.
Sunday
Mostly sunny, with a high near 39.
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ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.02°N 108.38°W (Elev. 4931 ft)
2:31 pm MST Dec 1, 2025
2pm MST Dec 1, 2025-6pm MST Dec 7, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database