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.

Clear

-2°F

-19°C

Humidity 84%
Wind Speed NNE 5 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint -6°F (-21°C)
Visibility 10.00 mi
Wind Chill-13°F (-25°C)
Last update 24 Jan 06:00 AM MST
Extended Forecast for

3 Miles WNW Arapahoe WY

  • Today

    Today: Sunny, with a high near 21. Wind chill values as low as -10. Calm wind becoming east northeast 5 to 7 mph in the afternoon.

    High: 21 °F

    Sunny

  • Tonight

    Tonight: A 30 percent chance of snow showers after 4am.  Partly cloudy, with a low around -1. Wind chill values as low as -10. Calm wind becoming west southwest around 6 mph after midnight.

    Low: -1 °F

    Mostly Clear
    then Chance
    Snow Showers

  • Sunday

    Sunday: A 40 percent chance of snow showers before 11am.  Cloudy through mid morning, then gradual clearing, with a high near 19. Wind chill values as low as -10. North northeast wind 6 to 11 mph.  New snow accumulation of less than a half inch possible.

    High: 19 °F

    Chance Snow
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -2. Wind chill values as low as -10. Light and variable wind becoming southwest around 6 mph after midnight.

    Low: -2 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 40. Southwest wind 5 to 7 mph.

    High: 40 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 14. West southwest wind around 7 mph.

    Low: 14 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 43. West southwest wind around 5 mph becoming north in the morning.

    High: 43 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 12.

    Low: 12 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 21. Wind chill values as low as -10. Calm wind becoming east northeast 5 to 7 mph in the afternoon.
Tonight
A 30 percent chance of snow showers after 4am. Partly cloudy, with a low around -1. Wind chill values as low as -10. Calm wind becoming west southwest around 6 mph after midnight.
Sunday
A 40 percent chance of snow showers before 11am. Cloudy through mid morning, then gradual clearing, with a high near 19. Wind chill values as low as -10. North northeast wind 6 to 11 mph. New snow accumulation of less than a half inch possible.
Sunday Night
Mostly clear, with a low around -2. Wind chill values as low as -10. Light and variable wind becoming southwest around 6 mph after midnight.
Monday
Sunny, with a high near 40. Southwest wind 5 to 7 mph.
Monday Night
Partly cloudy, with a low around 14. West southwest wind around 7 mph.
Tuesday
Mostly sunny, with a high near 43. West southwest wind around 5 mph becoming north in the morning.
Tuesday Night
Mostly clear, with a low around 12.
Wednesday
Sunny, with a high near 43.
Wednesday Night
Partly cloudy, with a low around 15.
Thursday
Partly sunny, with a high near 42.
Thursday Night
Mostly cloudy, with a low around 16.
Friday
Mostly sunny, with a high near 44.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Arapahoe WY
 42.99°N 108.56°W (Elev. 5197 ft)
5:46 am MST Jan 24, 2026
6am MST Jan 24, 2026-6pm MST Jan 30, 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