National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Late January Extreme Cold; Watching for Another East Coast Storm Threat This Weekend

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Current conditions at

Riverton Regional Airport (KRIW)

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

Partly Cloudy

30°F

-1°C

Humidity 36%
Wind Speed N 4 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 27 Jan 03:35 AM MST
Extended Forecast for

Riverton WY

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 23. West southwest wind around 9 mph.

    Low: 23 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 44. West southwest wind 5 to 7 mph becoming north in the afternoon.

    High: 44 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 12. South southwest wind 3 to 6 mph.

    Low: 12 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 39. South wind around 5 mph becoming calm in the morning.

    High: 39 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 15. West wind around 6 mph.

    Low: 15 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 44. Southwest wind around 6 mph becoming north northeast in the afternoon.

    High: 44 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 15. West northwest wind around 6 mph becoming southwest after midnight.

    Low: 15 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 23. West southwest wind around 9 mph.
Tuesday
Sunny, with a high near 44. West southwest wind 5 to 7 mph becoming north in the afternoon.
Tuesday Night
Mostly clear, with a low around 12. South southwest wind 3 to 6 mph.
Wednesday
Increasing clouds, with a high near 39. South wind around 5 mph becoming calm in the morning.
Wednesday Night
Mostly cloudy, with a low around 15. West wind around 6 mph.
Thursday
Sunny, with a high near 44. Southwest wind around 6 mph becoming north northeast in the afternoon.
Thursday Night
Partly cloudy, with a low around 15. West northwest wind around 6 mph becoming southwest after midnight.
Friday
Mostly sunny, with a high near 45.
Friday Night
Mostly cloudy, with a low around 20.
Saturday
Mostly sunny, with a high near 53.
Saturday Night
Mostly clear, with a low around 18.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Mostly cloudy, with a low around 22.
Monday
Partly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.02°N 108.38°W (Elev. 4931 ft)
Last Update:
2:31 am MST Jan 27, 2026
Forecast Valid:
3am MST Jan 27, 2026-6pm MST Feb 2, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation