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

12°F

-11°C

Humidity 57%
Wind Speed N 14 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 0°F (-18°C)
Visibility 9.00 mi
Wind Chill-4°F (-20°C)
Last update 23 Jan 04:20 PM MST
Extended Forecast for

Riverton WY

  • This Afternoon

    This Afternoon: Cloudy, with a steady temperature around 17. North northeast wind around 14 mph, with gusts as high as 20 mph.

    High: 17 °F

    Cloudy

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around -3. North northeast wind 8 to 13 mph becoming light and variable  after midnight.

    Low: -3 °F

    Gradual
    Clearing

  • Saturday

    Saturday: Mostly sunny, with a high near 23. Wind chill values as low as zero. 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 2. Wind chill values as low as -5. North wind around 6 mph becoming south southwest in the evening.

    Low: 2 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of snow showers before 11am.  Mostly sunny, with a high near 20. North northeast wind 6 to 8 mph.

    High: 20 °F

    Chance Snow
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -4. Light and variable wind becoming south southwest around 5 mph after midnight.

    Low: -4 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 38. Light and variable wind becoming west southwest around 6 mph in the afternoon.

    High: 38 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 11.

    Low: 11 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Cloudy, with a steady temperature around 17. North northeast wind around 14 mph, with gusts as high as 20 mph.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around -3. North northeast wind 8 to 13 mph becoming light and variable after midnight.
Saturday
Mostly sunny, with a high near 23. 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 2. Wind chill values as low as -5. North wind around 6 mph becoming south southwest in the evening.
Sunday
A 30 percent chance of snow showers before 11am. Mostly sunny, with a high near 20. North northeast wind 6 to 8 mph.
Sunday Night
Mostly clear, with a low around -4. Light and variable wind becoming south southwest around 5 mph after midnight.
Monday
Sunny, with a high near 38. Light and variable wind becoming west southwest around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 11.
Tuesday
Mostly sunny, with a high near 42.
Tuesday Night
Mostly clear, with a low around 10.
Wednesday
Sunny, with a high near 41.
Wednesday Night
Partly cloudy, with a low around 12.
Thursday
Mostly sunny, with a high near 41.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.02°N 108.38°W (Elev. 4931 ft)
4:17 pm MST Jan 23, 2026
4pm MST Jan 23, 2026-6pm MST Jan 29, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database