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

10°F

-12°C

Humidity 83%
Wind Speed WSW 5 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill1°F (-17°C)
Last update 22 Jan 06:53 AM MST
Extended Forecast for

3 Miles WNW Arapahoe WY

  • Today

    Today: Mostly sunny, with a high near 34. Calm wind becoming northeast 5 to 9 mph in the afternoon.

    High: 34 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 5. Wind chill values as low as -5. Northeast wind 7 to 9 mph.

    Low: 5 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of snow showers.  Cloudy, with a high near 21. Wind chill values as low as -5. Northeast wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 21 °F

    Slight Chance
    Snow Showers

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around -1. Northeast wind 6 to 11 mph becoming light and variable  after midnight.

    Low: -1 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 24. Calm wind becoming east northeast around 6 mph in the afternoon.

    High: 24 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 4. Northwest wind around 6 mph becoming west southwest in the evening.

    Low: 4 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 34. West northwest wind around 6 mph becoming east in the afternoon.

    High: 34 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 8.

    Low: 8 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 34. Calm wind becoming northeast 5 to 9 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 5. Wind chill values as low as -5. Northeast wind 7 to 9 mph.
Friday
A 20 percent chance of snow showers. Cloudy, with a high near 21. Wind chill values as low as -5. Northeast wind 6 to 13 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around -1. Northeast wind 6 to 11 mph becoming light and variable after midnight.
Saturday
Sunny, with a high near 24. Calm wind becoming east northeast around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 4. Northwest wind around 6 mph becoming west southwest in the evening.
Sunday
Sunny, with a high near 34. West northwest wind around 6 mph becoming east in the afternoon.
Sunday Night
Mostly clear, with a low around 8.
Monday
Mostly sunny, with a high near 42.
Monday Night
Mostly cloudy, with a low around 16.
Tuesday
Mostly sunny, with a high near 45.
Tuesday Night
Partly cloudy, with a low around 15.
Wednesday
Mostly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Arapahoe WY
 42.99°N 108.56°W (Elev. 5197 ft)
5:17 am MST Jan 22, 2026
7am MST Jan 22, 2026-6pm MST Jan 28, 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