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

10°F

-12°C

Humidity 79%
Wind Speed N 0 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 5°F (-15°C)
Visibility NA
Last update 21 Jan 01:40 AM MST
Extended Forecast for

11 Miles NNW Lysite WY

  • Overnight

    Overnight: Mostly clear, with a low around 17. West wind 3 to 7 mph.

    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 11. North wind 3 to 6 mph.

    Low: 11 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 23. North wind 5 to 8 mph.

    High: 23 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow showers.  Mostly cloudy, with a low around 6. North northeast wind 7 to 9 mph becoming east after midnight.

    Low: 6 °F

    Slight Chance
    Snow Showers

  • Friday

    Friday: A 20 percent chance of snow showers.  Mostly cloudy, with a high near 13. East wind 5 to 9 mph becoming north in the afternoon.

    High: 13 °F

    Slight Chance
    Snow Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around -1. North wind 5 to 8 mph becoming calm  after midnight.

    Low: -1 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 18.

    High: 18 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 4.

    Low: 4 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 17. West wind 3 to 7 mph.
Wednesday
Sunny, with a high near 28. North wind 6 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 11. North wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 23. North wind 5 to 8 mph.
Thursday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 6. North northeast wind 7 to 9 mph becoming east after midnight.
Friday
A 20 percent chance of snow showers. Mostly cloudy, with a high near 13. East wind 5 to 9 mph becoming north in the afternoon.
Friday Night
Partly cloudy, with a low around -1. North wind 5 to 8 mph becoming calm after midnight.
Saturday
Sunny, with a high near 18.
Saturday Night
Partly cloudy, with a low around 4.
Sunday
Mostly sunny, with a high near 22.
Sunday Night
Partly cloudy, with a low around 9.
Monday
Sunny, with a high near 31.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Mostly sunny, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNW Lysite WY
 43.39°N 107.8°W (Elev. 6007 ft)
1:18 am MST Jan 21, 2026
1am MST Jan 21, 2026-6pm MST Jan 27, 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