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

25°F

-4°C

Humidity 38%
Wind Speed W 13 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 27 Jan 07:35 AM MST
Extended Forecast for

3 Miles WNW Arapahoe WY

  • Today

    Today: Sunny, with a high near 46. West wind 6 to 11 mph.

    High: 46 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 15. Southwest wind 3 to 7 mph.

    Low: 15 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 40. Southwest wind around 5 mph becoming light and variable.

    High: 40 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 17. West wind 6 to 8 mph.

    Low: 17 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 45. West southwest wind around 6 mph becoming north northeast in the afternoon.

    High: 45 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17. West wind around 6 mph.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 45. Southwest wind around 5 mph becoming light and variable.

    High: 45 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 46. West wind 6 to 11 mph.
Tonight
Partly cloudy, with a low around 15. Southwest wind 3 to 7 mph.
Wednesday
Mostly cloudy, with a high near 40. Southwest wind around 5 mph becoming light and variable.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 17. West wind 6 to 8 mph.
Thursday
Sunny, with a high near 45. West southwest wind around 6 mph becoming north northeast in the afternoon.
Thursday Night
Partly cloudy, with a low around 17. West wind around 6 mph.
Friday
Mostly sunny, with a high near 45. Southwest wind around 5 mph becoming light and variable.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
Mostly sunny, with a high near 53.
Saturday Night
Mostly clear, with a low around 20.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
Partly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Arapahoe WY
 42.99°N 108.56°W (Elev. 5197 ft)
Last Update:
7:47 am MST Jan 27, 2026
Forecast Valid:
7am 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