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

3 Miles NNW Riverton Regional Airport WY

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 28. West wind 11 to 13 mph.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 43. West wind 5 to 9 mph becoming north in the afternoon.

    High: 43 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 15. West wind 5 to 9 mph.

    Low: 15 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 37. Southwest wind around 5 mph becoming light and variable.

    High: 37 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 17. West wind 6 to 8 mph.

    Low: 17 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 43. West wind around 7 mph becoming north northeast in the afternoon.

    High: 43 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17. West wind around 7 mph.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 28. West wind 11 to 13 mph.
Tuesday
Sunny, with a high near 43. West wind 5 to 9 mph becoming north in the afternoon.
Tuesday Night
Partly cloudy, with a low around 15. West wind 5 to 9 mph.
Wednesday
Increasing clouds, with a high near 37. Southwest wind around 5 mph becoming light and variable.
Wednesday Night
Mostly cloudy, with a low around 17. West wind 6 to 8 mph.
Thursday
Sunny, with a high near 43. West wind around 7 mph becoming north northeast in the afternoon.
Thursday Night
Partly cloudy, with a low around 17. West wind around 7 mph.
Friday
Mostly sunny, with a high near 42.
Friday Night
Mostly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 20.
Sunday
Mostly sunny, with a high near 47.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
Partly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Riverton Regional Airport WY
 43.1°N 108.48°W (Elev. 5440 ft)
Last Update:
2:31 am MST Jan 27, 2026
Forecast Valid:
3am MST Jan 27, 2026-6pm MST Feb 2, 2026
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

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Chance of Precipitation