Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Hazardous Weather Conditions

Current conditions at

CW8386 Thermopolis (C8386)

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

NA

17°F

-8°C

Humidity 79%
Wind Speed N 2 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 12°F (-11°C)
Visibility NA
Last update 20 Jan 07:40 PM MST
Extended Forecast for

11 Miles NNW Lysite WY

  • Tonight

    Tonight: Mostly clear, with a low around 17. North northwest wind 6 to 11 mph becoming light and variable  after midnight.

    Low: 17 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 28. North wind 6 to 10 mph.

    High: 28 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 12. North wind 3 to 6 mph.

    Low: 12 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 24. North wind 5 to 8 mph.

    High: 24 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 7. Northeast wind around 7 mph.

    Low: 7 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 15. North wind 5 to 7 mph.

    High: 15 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 2. Northwest wind 5 to 7 mph.

    Low: 2 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 19.

    High: 19 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 6.

    Low: 6 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 17. North northwest wind 6 to 11 mph becoming light and variable after midnight.
Wednesday
Sunny, with a high near 28. North wind 6 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 12. North wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 24. North wind 5 to 8 mph.
Thursday Night
Partly cloudy, with a low around 7. Northeast wind around 7 mph.
Friday
Partly sunny, with a high near 15. North wind 5 to 7 mph.
Friday Night
Partly cloudy, with a low around 2. Northwest wind 5 to 7 mph.
Saturday
Sunny, with a high near 19.
Saturday Night
Partly cloudy, with a low around 6.
Sunday
Sunny, with a high near 25.
Sunday Night
Mostly clear, with a low around 13.
Monday
Mostly sunny, with a high near 35.
Monday Night
Partly cloudy, with a low around 18.
Tuesday
Mostly sunny, with a high near 38.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNW Lysite WY
 43.39°N 107.8°W (Elev. 6007 ft)
7:17 pm MST Jan 20, 2026
7pm MST Jan 20, 2026-6pm MST Jan 27, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database