Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains tonight, crossing the Midwest and reaching the Gulf Coast Friday night. Dangerously cold temperatures will persist across the eastern U.S. into early February. There is increasing confidence for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Current conditions at

CW8386 Thermopolis (C8386)

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

NA

45°F

7°C

Humidity 38%
Wind Speed N 0 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 21°F (-6°C)
Visibility NA
Last update 29 Jan 01:55 PM MST
Extended Forecast for

10 Miles ESE Lysite WY

  • This Afternoon

    This Afternoon: Sunny, with a high near 39. West northwest wind 6 to 10 mph.

    High: 39 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 20. Light and variable wind becoming south southwest around 5 mph.

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 40. Light and variable wind becoming west around 6 mph.

    High: 40 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Cloudy, then gradually becoming partly cloudy, with a low around 24. East wind around 5 mph becoming calm.

    Low: 24 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 46. West southwest wind 5 to 10 mph.

    High: 46 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23. Southwest wind 3 to 5 mph.

    Low: 23 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 49. West southwest wind 3 to 6 mph.

    High: 49 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 39. West northwest wind 6 to 10 mph.
Tonight
Partly cloudy, with a low around 20. Light and variable wind becoming south southwest around 5 mph.
Friday
Mostly sunny, with a high near 40. Light and variable wind becoming west around 6 mph.
Friday Night
Cloudy, then gradually becoming partly cloudy, with a low around 24. East wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 46. West southwest wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 23. Southwest wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 49. West southwest wind 3 to 6 mph.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
Mostly sunny, with a high near 48.
Monday Night
A slight chance of rain and snow showers before 11pm, then a slight chance of snow showers. Partly cloudy, with a low around 21. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 40.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Mostly sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles ESE Lysite WY
 43.21°N 107.51°W (Elev. 5630 ft)
12:01 pm MST Jan 29, 2026
2pm MST Jan 29, 2026-6pm MST Feb 4, 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