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

Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Hazardous Weather Conditions

Current conditions at

CW8386 Thermopolis (C8386)

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

NA

13°F

-11°C

Humidity 75%
Wind Speed N 0 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 6°F (-14°C)
Visibility NA
Last update 28 Jan 05:06 AM MST
Extended Forecast for

10 Miles ESE Lysite WY

  • Today

    Today: Partly sunny, with a high near 38. South southeast wind around 5 mph becoming light and variable in the afternoon.

    High: 38 °F

    Partly Sunny

  • Tonight

    Tonight: A 20 percent chance of snow showers before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 16. West wind 5 to 7 mph.

    Low: 16 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 37. South southwest wind 6 to 8 mph becoming west northwest in the afternoon.

    High: 37 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 17. West wind 3 to 5 mph.

    Low: 17 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 40. West wind 3 to 6 mph.

    High: 40 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 22. Southwest wind around 6 mph.

    Low: 22 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 45. West southwest wind 6 to 9 mph.

    High: 45 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 38. South southeast wind around 5 mph becoming light and variable in the afternoon.
Tonight
A 20 percent chance of snow showers before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 16. West wind 5 to 7 mph.
Thursday
Sunny, with a high near 37. South southwest wind 6 to 8 mph becoming west northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 17. West wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 40. West wind 3 to 6 mph.
Friday Night
Mostly cloudy, with a low around 22. Southwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 45. West southwest wind 6 to 9 mph.
Saturday Night
Mostly clear, with a low around 21.
Sunday
Mostly sunny, with a high near 47.
Sunday Night
Mostly cloudy, with a low around 29.
Monday
Partly sunny, with a high near 48.
Monday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 24.
Tuesday
A slight chance of snow showers. Mostly sunny, with a high near 39.
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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:
5:03 am MST Jan 28, 2026
Forecast Valid:
5am MST Jan 28, 2026-6pm MST Feb 3, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation