Major Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold in the North-Central U.S.

A large, long-duration winter storm is expected to bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies/Plains into the Mid-South beginning Friday, spreading eastward to the Mid-Atlantic and New England this weekend. An Arctic front will bring frigid temperatures and gusty winds that will lead to dangerous wind chills from the Northern Plains and Upper Midwest. 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 42%
Wind Speed NE 9 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 22 Jan 05:20 PM MST
Extended Forecast for

Riverton WY

  • Tonight

    Tonight: Increasing clouds, with a low around 9. Wind chill values as low as -5. East northeast wind 6 to 10 mph.

    Low: 9 °F

    Increasing
    Clouds

  • Friday

    Friday: Isolated snow showers after 9am.  Cloudy, with a high near 22. Wind chill values as low as zero. East northeast wind 6 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 20%.

    High: 22 °F

    Isolated Snow
    Showers

  • Friday Night

    Friday Night: Cloudy, then gradually becoming partly cloudy, with a low around -1. North northeast wind 8 to 13 mph becoming light and variable  after midnight.

    Low: -1 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 24. Wind chill values as low as zero. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 24 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 0. North wind around 6 mph becoming south southwest in the evening.

    Low: 0 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 27. West wind around 6 mph becoming east in the afternoon.

    High: 27 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 5. South southeast wind around 6 mph becoming southwest in the evening.

    Low: 5 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 9. Wind chill values as low as -5. East northeast wind 6 to 10 mph.
Friday
Isolated snow showers after 9am. Cloudy, with a high near 22. Wind chill values as low as zero. East northeast wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Friday Night
Cloudy, then gradually becoming partly cloudy, with a low around -1. North northeast wind 8 to 13 mph becoming light and variable after midnight.
Saturday
Mostly sunny, with a high near 24. Wind chill values as low as zero. Calm wind becoming northeast around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 0. North wind around 6 mph becoming south southwest in the evening.
Sunday
Sunny, with a high near 27. West wind around 6 mph becoming east in the afternoon.
Sunday Night
Mostly clear, with a low around 5. South southeast wind around 6 mph becoming southwest in the evening.
Monday
Mostly sunny, with a high near 41.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
Mostly sunny, with a high near 44.
Tuesday Night
Partly cloudy, with a low around 14.
Wednesday
Mostly sunny, with a high near 44.
Wednesday Night
Mostly cloudy, with a low around 16.
Thursday
Partly sunny, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.02°N 108.38°W (Elev. 4931 ft)
4:47 pm MST Jan 22, 2026
5pm MST Jan 22, 2026-6pm MST Jan 29, 2026
 
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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