Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Hazardous Weather Conditions

Current conditions at

Riverton Regional Airport (KRIW)

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

Overcast

10°F

-12°C

Humidity 66%
Wind Speed NE 6 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 23 Jan 09:35 AM MST
Extended Forecast for

Riverton WY

  • Today

    Today: A 20 percent chance of snow showers before 4pm.  Mostly cloudy, with a high near 20. North northeast wind 6 to 14 mph, with gusts as high as 21 mph.

    High: 20 °F

    Slight Chance
    Snow Showers

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around -3. North northeast wind 8 to 13 mph becoming light and variable  after midnight. Winds could gust as high as 20 mph.

    Low: -3 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 23. Wind chill values as low as -5. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 23 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 1. Wind chill values as low as -10. North northeast wind around 6 mph becoming west northwest in the evening.

    Low: 1 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 24. North wind around 6 mph becoming east in the afternoon.

    High: 24 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 4. South southwest wind around 5 mph.

    Low: 4 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 41. Calm wind becoming west around 6 mph in the afternoon.

    High: 41 °F

    Mostly Sunny

  • Monday Night

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

    Low: 13 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of snow showers before 4pm. Mostly cloudy, with a high near 20. North northeast wind 6 to 14 mph, with gusts as high as 21 mph.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around -3. North northeast wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Saturday
Mostly sunny, with a high near 23. Wind chill values as low as -5. Calm wind becoming northeast around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 1. Wind chill values as low as -10. North northeast wind around 6 mph becoming west northwest in the evening.
Sunday
Mostly sunny, with a high near 24. North wind around 6 mph becoming east in the afternoon.
Sunday Night
Mostly clear, with a low around 4. South southwest wind around 5 mph.
Monday
Mostly sunny, with a high near 41. Calm wind becoming west around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 13.
Tuesday
Sunny, with a high near 41.
Tuesday Night
Partly cloudy, with a low around 12.
Wednesday
Sunny, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 15.
Thursday
Mostly sunny, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.02°N 108.38°W (Elev. 4931 ft)
8:31 am MST Jan 23, 2026
9am MST Jan 23, 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