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

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

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

28°F

-2°C

Humidity 42%
Wind Speed WSW 12 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 27 Jan 10:35 PM MST
Extended Forecast for

3 Miles NNW Riverton Regional Airport WY

  • Tonight

    Tonight: Partly cloudy, with a low around 14. West southwest wind 5 to 8 mph.

    Low: 14 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow showers after 1pm. Mostly cloudy, with a high near 37. Light and variable wind.

    High: 37 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Wednesday Night

    Wednesday Night: Cloudy during the early evening, then gradual clearing, with a low around 17. West wind 7 to 10 mph.

    Low: 17 °F

    Gradual
    Clearing

  • Thursday

    Thursday: Sunny, with a high near 42. West wind 6 to 8 mph becoming east northeast in the afternoon.

    High: 42 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 16. West wind around 7 mph.

    Low: 16 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 43. West wind around 5 mph becoming light and variable.

    High: 43 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20. North wind around 6 mph becoming west southwest in the evening.

    Low: 20 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 14. West southwest wind 5 to 8 mph.
Wednesday
A 20 percent chance of snow showers after 1pm. Mostly cloudy, with a high near 37. Light and variable wind.
Wednesday Night
Cloudy during the early evening, then gradual clearing, with a low around 17. West wind 7 to 10 mph.
Thursday
Sunny, with a high near 42. West wind 6 to 8 mph becoming east northeast in the afternoon.
Thursday Night
Partly cloudy, with a low around 16. West wind around 7 mph.
Friday
Mostly sunny, with a high near 43. West wind around 5 mph becoming light and variable.
Friday Night
Mostly cloudy, with a low around 20. North wind around 6 mph becoming west southwest in the evening.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 19.
Sunday
Mostly sunny, with a high near 46.
Sunday Night
Mostly cloudy, with a low around 22.
Monday
Partly sunny, with a high near 48.
Monday Night
Mostly cloudy, with a low around 24.
Tuesday
Mostly sunny, with a high near 47.
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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:
8:48 pm MST Jan 27, 2026
Forecast Valid:
10pm MST Jan 27, 2026-6pm MST Feb 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation