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

Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

12°F

-11°C

Humidity 78%
Wind Speed N 0 MPH
Barometer 30.38 in (1028.79 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 30 Dec 06:35 AM MST
Extended Forecast for

Shoshoni WY

  • Today

    Today: Mostly sunny, with a high near 38. Light and variable wind.

    High: 38 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 18. East southeast wind 3 to 5 mph.

    Low: 18 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 42. East southeast wind around 5 mph becoming calm in the morning.

    High: 42 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 23. South southeast wind 3 to 6 mph.

    Low: 23 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Mostly cloudy, with a high near 46. South southeast wind 3 to 5 mph.

    High: 46 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 26. South wind around 6 mph.

    Low: 26 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 51. South southwest wind 3 to 7 mph.

    High: 51 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 38. Light and variable wind.
Tonight
Mostly clear, with a low around 18. East southeast wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 42. East southeast wind around 5 mph becoming calm in the morning.
Wednesday Night
Mostly cloudy, with a low around 23. South southeast wind 3 to 6 mph.
New Year's Day
Mostly cloudy, with a high near 46. South southeast wind 3 to 5 mph.
Thursday Night
Mostly cloudy, with a low around 26. South wind around 6 mph.
Friday
Mostly sunny, with a high near 51. South southwest wind 3 to 7 mph.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 52.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 48.
Sunday Night
Mostly clear, with a low around 22.
Monday
Sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Shoshoni WY
 43.23°N 108.11°W (Elev. 4800 ft)
Last Update:
5:32 am MST Dec 30, 2025
Forecast Valid:
6am MST Dec 30, 2025-6pm MST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation