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

Winter Storm Bringing Widespread Hazardous Weather to the Eastern U.S.

A rapidly-intensifying winter storm continues to bring heavy snow, high winds, and blizzard conditions over the Upper Midwest and Great Lakes through today. An Arctic front will lead in a period of gusty to high winds and sharply colder temperatures over the entire eastern U.S. Heavy lake effect snow is then expected from Lakes Erie and Ontario through New Year's Day. Read More >

Current conditions at

CW8386 Thermopolis (C8386)

Lat: 43.642°NLon: 108.22633°WElev: 4426.0ft.

NA

7°F

-14°C

Humidity 75%
Wind Speed N 0 MPH
Barometer 30.46 in (1031.49 mb)
Dewpoint 1°F (-17°C)
Visibility NA
Last update 29 Dec 07:55 AM MST
Extended Forecast for

11 Miles NNW Lysite WY

  • Today

    Today: Sunny, with a high near 30. Southeast wind 5 to 7 mph becoming southwest in the afternoon.

    High: 30 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 19. Southwest wind 6 to 8 mph becoming east northeast after midnight.

    Low: 19 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36. East wind around 6 mph becoming light and variable in the afternoon.

    High: 36 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 23. South southeast wind around 7 mph.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 40. South southeast wind around 7 mph.

    High: 40 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27. Southeast wind around 8 mph.

    Low: 27 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Mostly cloudy, with a high near 42. South wind around 8 mph.

    High: 42 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 30. Southeast wind 5 to 7 mph becoming southwest in the afternoon.
Tonight
Mostly clear, with a low around 19. Southwest wind 6 to 8 mph becoming east northeast after midnight.
Tuesday
Mostly sunny, with a high near 36. East wind around 6 mph becoming light and variable in the afternoon.
Tuesday Night
Mostly clear, with a low around 23. South southeast wind around 7 mph.
Wednesday
Sunny, with a high near 40. South southeast wind around 7 mph.
Wednesday Night
Partly cloudy, with a low around 27. Southeast wind around 8 mph.
New Year's Day
Mostly cloudy, with a high near 42. South wind around 8 mph.
Thursday Night
Mostly cloudy, with a low around 28.
Friday
Partly sunny, with a high near 44.
Friday Night
Partly cloudy, with a low around 29.
Saturday
Mostly sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Partly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNW Lysite WY
 43.39°N 107.8°W (Elev. 6007 ft)
Last Update:
7:47 am MST Dec 29, 2025
Forecast Valid:
8am MST Dec 29, 2025-6pm MST Jan 4, 2026
 
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