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

Tracking Two Storms Impacting the Northern U.S. Through Thanksgiving and into This Weekend

Heavy lake effect snow, gusty winds, and localized blizzard conditions will persist through Thanksgiving near and downwind of the Great Lakes. Rain and mountain snow are forecast for the Pacific Northwest. Confidence is increasing for another winter storm to develop over the northern and central Rockies Friday and track across the central Plains through the Midwest and Great Lakes this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

42°F

6°C

Humidity 42%
Wind Speed NE 3 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 27 Nov 01:53 PM MST
Extended Forecast for

Riverton WY

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 43. East northeast wind 3 to 5 mph.

    High: 43 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 21. Light and variable wind becoming west northwest 5 to 7 mph in the evening.

    Low: 21 °F

    Mostly Cloudy

  • Friday

    Friday: Scattered rain and snow showers after 5pm. Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 46. Light and variable wind becoming north 5 to 8 mph in the afternoon. Chance of precipitation is 30%.

    High: 46 °F

    Patchy Fog
    then
    Scattered
    Rain/Snow

  • Friday Night

    Friday Night: Snow showers likely, mainly after 11pm. Mostly cloudy, with a low around 12. Blustery, with a north wind 11 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 12 °F

    Snow Showers
    Likely and
    Blustery

  • Saturday

    Saturday: Mostly sunny, with a high near 26. Northeast wind 5 to 7 mph.

    High: 26 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 8. North wind 3 to 5 mph.

    Low: 8 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of snow showers before 11am. Partly sunny, with a high near 24. Light east northeast wind.

    High: 24 °F

    Slight Chance
    Snow Showers
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 4.

    Low: 4 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 31.

    High: 31 °F

    Sunny

Detailed Forecast

Thanksgiving Day
Mostly sunny, with a high near 43. East northeast wind 3 to 5 mph.
Tonight
Mostly cloudy, with a low around 21. Light and variable wind becoming west northwest 5 to 7 mph in the evening.
Friday
Scattered rain and snow showers after 5pm. Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 46. Light and variable wind becoming north 5 to 8 mph in the afternoon. Chance of precipitation is 30%.
Friday Night
Snow showers likely, mainly after 11pm. Mostly cloudy, with a low around 12. Blustery, with a north wind 11 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Saturday
Mostly sunny, with a high near 26. Northeast wind 5 to 7 mph.
Saturday Night
Mostly cloudy, with a low around 8. North wind 3 to 5 mph.
Sunday
A 20 percent chance of snow showers before 11am. Partly sunny, with a high near 24. Light east northeast wind.
Sunday Night
Partly cloudy, with a low around 4.
Monday
Sunny, with a high near 31.
Monday Night
Partly cloudy, with a low around 11.
Tuesday
Mostly cloudy, with a high near 37.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 17.
Wednesday
A slight chance of snow showers. Partly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.02°N 108.35°W (Elev. 4905 ft)
Last Update:
2:01 pm MST Nov 27, 2025
Forecast Valid:
2pm MST Nov 27, 2025-6pm MST Dec 3, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation