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.

Mostly Cloudy

16°F

-9°C

Humidity 46%
Wind Speed NE 12 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint -1°F (-18°C)
Visibility 10.00 mi
Wind Chill3°F (-16°C)
Last update 24 Jan 04:53 PM MST
Extended Forecast for

3 Miles WNW Arapahoe WY

  • Tonight

    Tonight: Isolated 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.  Chance of precipitation is 20%.

    Low: -1 °F

    Mostly Clear
    then Isolated
    Snow Showers

  • Sunday

    Sunday: Scattered 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.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 19 °F

    Scattered
    Snow Showers
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -3. Wind chill values as low as -10. Light and variable wind becoming west southwest around 6 mph after midnight.

    Low: -3 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 40. Wind chill values as low as -10. South southwest wind 5 to 7 mph becoming west in the afternoon.

    High: 40 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 15. West southwest wind around 7 mph.

    Low: 15 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44. West southwest wind around 6 mph becoming north in the afternoon.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 12. North wind around 6 mph becoming west southwest in the evening.

    Low: 12 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

Detailed Forecast

Tonight
Isolated 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. Chance of precipitation is 20%.
Sunday
Scattered 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. Chance of precipitation is 40%. Little or no snow accumulation expected.
Sunday Night
Mostly clear, with a low around -3. Wind chill values as low as -10. Light and variable wind becoming west southwest around 6 mph after midnight.
Monday
Sunny, with a high near 40. Wind chill values as low as -10. South southwest wind 5 to 7 mph becoming west in the afternoon.
Monday Night
Mostly cloudy, with a low around 15. West southwest wind around 7 mph.
Tuesday
Mostly sunny, with a high near 44. West southwest wind around 6 mph becoming north in the afternoon.
Tuesday Night
Mostly clear, with a low around 12. North wind around 6 mph becoming west southwest in the evening.
Wednesday
Mostly sunny, with a high near 43.
Wednesday Night
Partly cloudy, with a low around 14.
Thursday
Mostly sunny, with a high near 44.
Thursday Night
Partly cloudy, with a low around 16.
Friday
Mostly sunny, with a high near 44.
Friday Night
Partly cloudy, with a low around 18.
Saturday
Mostly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Arapahoe WY
 42.99°N 108.56°W (Elev. 5197 ft)
4:47 pm MST Jan 24, 2026
5pm MST Jan 24, 2026-6pm MST Jan 31, 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