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

23°F

-5°C

Humidity 60%
Wind Speed N 2 MPH
Barometer 30.36 in (1028.11 mb)
Dewpoint 11°F (-12°C)
Visibility NA
Last update 29 Dec 06:11 PM MST
Extended Forecast for

10 Miles ESE Lysite WY

  • Tonight

    Tonight: Mostly clear, with a low around 18. South wind around 6 mph.

    Low: 18 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 35. South southwest wind around 5 mph becoming northwest in the afternoon.

    High: 35 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 20. Southwest wind around 6 mph.

    Low: 20 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 43. West southwest wind 6 to 8 mph.

    High: 43 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26. South southwest wind around 8 mph.

    Low: 26 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Mostly cloudy, with a high near 47. South southwest wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 47 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 27. South southwest wind around 10 mph.

    Low: 27 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 18. South wind around 6 mph.
Tuesday
Mostly sunny, with a high near 35. South southwest wind around 5 mph becoming northwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 20. Southwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 43. West southwest wind 6 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 26. South southwest wind around 8 mph.
New Year's Day
Mostly cloudy, with a high near 47. South southwest wind 8 to 13 mph, with gusts as high as 21 mph.
Thursday Night
Mostly cloudy, with a low around 27. South southwest wind around 10 mph.
Friday
Mostly sunny, with a high near 48.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Mostly sunny, with a high near 49. Breezy.
Saturday Night
Partly cloudy, with a low around 28. Breezy.
Sunday
Mostly sunny, with a high near 45.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles ESE Lysite WY
 43.21°N 107.51°W (Elev. 5630 ft)
Last Update:
4:47 pm MST Dec 29, 2025
Forecast Valid:
6pm MST Dec 29, 2025-6pm MST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation