Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East; Severe Storm Threat in the Gulf States Sunday

A significant winter storm is underway, bringing widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Extremely cold air will follow, prolonging dangerous travel and infrastructure impacts into next week. Severe thunderstorms may produce damaging gusts and tornadoes across the eastern Gulf Coast states Sunday morning and afternoon. Read More >

Hazardous Weather Conditions

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

3°F

-16°C

Humidity 77%
Wind Speed N 0 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Last update 25 Jan 01:05 AM MST
Extended Forecast for

3 Miles WNW Arapahoe WY

  • Overnight

    Overnight: Partly cloudy, with a low around 1. Wind chill values as low as -10. Light and variable wind becoming north around 5 mph.

    Low: 1 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of snow showers before noon.  Mostly cloudy through mid morning, then gradual clearing, with a high near 16. Wind chill values as low as -10. North wind 5 to 11 mph becoming east in the afternoon.

    High: 16 °F

    Slight Chance
    Snow Showers
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around -4. Wind chill values as low as -15. East wind around 5 mph becoming calm.

    Low: -4 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 42. Wind chill values as low as -10. West southwest wind around 7 mph.

    High: 42 °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: Sunny, with a high near 45. West southwest wind around 6 mph becoming north northwest in the afternoon.

    High: 45 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 12. West southwest wind around 6 mph.

    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 16.

    Low: 16 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 1. Wind chill values as low as -10. Light and variable wind becoming north around 5 mph.
Sunday
A 20 percent chance of snow showers before noon. Mostly cloudy through mid morning, then gradual clearing, with a high near 16. Wind chill values as low as -10. North wind 5 to 11 mph becoming east in the afternoon.
Sunday Night
Clear, with a low around -4. Wind chill values as low as -15. East wind around 5 mph becoming calm.
Monday
Sunny, with a high near 42. Wind chill values as low as -10. West southwest wind around 7 mph.
Monday Night
Mostly cloudy, with a low around 15. West southwest wind around 7 mph.
Tuesday
Sunny, with a high near 45. West southwest wind around 6 mph becoming north northwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 12. West southwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 43.
Wednesday Night
Partly cloudy, with a low around 16.
Thursday
Mostly sunny, with a high near 44.
Thursday Night
Partly cloudy, with a low around 18.
Friday
Mostly sunny, with a high near 48.
Friday Night
Mostly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Arapahoe WY
 42.99°N 108.56°W (Elev. 5197 ft)
12:01 am MST Jan 25, 2026
1am MST Jan 25, 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