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

25°F

-4°C

Humidity 58%
Wind Speed E 3 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 01 Dec 04:00 PM MST
Extended Forecast for

Riverton Regional Airport WY

  • This Afternoon

    This Afternoon: Partly sunny, with a steady temperature around 22. East wind around 5 mph.

    High: 22 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 19. West wind 7 to 11 mph.

    Low: 19 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of snow showers, mainly after 4pm.  Partly sunny, with a high near 34. West wind 5 to 9 mph becoming north in the afternoon.  New snow accumulation of less than a half inch possible.

    High: 34 °F

    Partly Sunny
    then Chance
    Snow Showers

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow showers.  Cloudy, with a low around 18. North wind 6 to 8 mph.  New snow accumulation of less than one inch possible.

    Low: 18 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 30. North wind 5 to 7 mph becoming south in the afternoon.

    High: 30 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 9. Southwest wind 5 to 8 mph.

    Low: 9 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 33. Southwest wind 5 to 8 mph.

    High: 33 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a steady temperature around 22. East wind around 5 mph.
Tonight
Mostly cloudy, with a low around 19. West wind 7 to 11 mph.
Tuesday
A 40 percent chance of snow showers, mainly after 4pm. Partly sunny, with a high near 34. West wind 5 to 9 mph becoming north in the afternoon. New snow accumulation of less than a half inch possible.
Tuesday Night
A 50 percent chance of snow showers. Cloudy, with a low around 18. North wind 6 to 8 mph. New snow accumulation of less than one inch possible.
Wednesday
Mostly sunny, with a high near 30. North wind 5 to 7 mph becoming south in the afternoon.
Wednesday Night
Mostly clear, with a low around 9. Southwest wind 5 to 8 mph.
Thursday
Mostly sunny, with a high near 33. Southwest wind 5 to 8 mph.
Thursday Night
Partly cloudy, with a low around 14.
Friday
Mostly sunny, with a high near 37.
Friday Night
A slight chance of rain and snow showers after 11pm. Mostly cloudy, with a low around 22. Chance of precipitation is 20%.
Saturday
A chance of rain and snow showers. Partly sunny, with a high near 41.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
Mostly sunny, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
Riverton Regional Airport WY
 43.06°N 108.45°W (Elev. 5420 ft)
3:31 pm MST Dec 1, 2025
4pm 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