Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Northeast; Heavy Rain Returns to California

An Alberta clipper will bring lake effect snow downwind of the Great Lakes, with the highest snow totals downwind of Lakes Erie and Ontario. Snow squalls may impact New Year's Eve travel during the evening and overnight hours across parts of the Great Lakes, Ohio Valley, and Northeast. Heavy rain will bring a flash flooding threat for southern California on New Year's Eve into New Year's Day. Read More >

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

24°F

-4°C

Humidity 64%
Wind Speed N 0 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 30 Dec 08:53 PM MST
Extended Forecast for

Riverton WY

  • Tonight

    Tonight: Mostly clear, with a low around 15. Light south southwest wind.

    Low: 15 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 43. Light and variable wind.

    High: 43 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 22. Light and variable wind.

    Low: 22 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Mostly cloudy, with a high near 46. South wind 3 to 6 mph.

    High: 46 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 25. South southwest wind 3 to 6 mph.

    Low: 25 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 53. South southwest wind 3 to 5 mph.

    High: 53 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26. South southwest wind around 6 mph.

    Low: 26 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 15. Light south southwest wind.
Wednesday
Mostly sunny, with a high near 43. Light and variable wind.
Wednesday Night
Mostly cloudy, with a low around 22. Light and variable wind.
New Year's Day
Mostly cloudy, with a high near 46. South wind 3 to 6 mph.
Thursday Night
Mostly cloudy, with a low around 25. South southwest wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 53. South southwest wind 3 to 5 mph.
Friday Night
Partly cloudy, with a low around 26. South southwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 53.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Partly cloudy, with a low around 22.
Monday
Mostly sunny, with a high near 47.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.02°N 108.38°W (Elev. 4931 ft)
8:01 pm MST Dec 30, 2025
9pm MST Dec 30, 2025-6pm MST Jan 6, 2026
 
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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