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

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 S East Thermopolis WY

  • Overnight

    Overnight: Mostly clear, with a low around 17. South wind 8 to 10 mph.

    Low: 17 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 28. North northeast wind 6 to 14 mph, with gusts as high as 21 mph.

    High: 28 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 14. Northeast wind around 7 mph becoming southeast in the evening.

    Low: 14 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 22. North wind 7 to 14 mph, with gusts as high as 21 mph.

    High: 22 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow showers. Mostly cloudy, with a low around 8. North northeast wind 9 to 13 mph, with gusts as high as 20 mph.

    Low: 8 °F

    Slight Chance
    Snow Showers

  • Friday

    Friday: A 20 percent chance of snow showers. Mostly cloudy, with a high near 12. North wind 9 to 14 mph, with gusts as high as 21 mph.

    High: 12 °F

    Slight Chance
    Snow Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 2. North wind 6 to 11 mph becoming south southwest after midnight.

    Low: 2 °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 7.

    Low: 7 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 17. South wind 8 to 10 mph.
Wednesday
Sunny, with a high near 28. North northeast wind 6 to 14 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 14. Northeast wind around 7 mph becoming southeast in the evening.
Thursday
Mostly sunny, with a high near 22. North wind 7 to 14 mph, with gusts as high as 21 mph.
Thursday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 8. North northeast wind 9 to 13 mph, with gusts as high as 20 mph.
Friday
A 20 percent chance of snow showers. Mostly cloudy, with a high near 12. North wind 9 to 14 mph, with gusts as high as 21 mph.
Friday Night
Partly cloudy, with a low around 2. North wind 6 to 11 mph becoming south southwest after midnight.
Saturday
Sunny, with a high near 18.
Saturday Night
Partly cloudy, with a low around 7.
Sunday
Mostly sunny, with a high near 23.
Sunday Night
Partly cloudy, with a low around 13.
Monday
Sunny, with a high near 32.
Monday Night
Partly cloudy, with a low around 21.
Tuesday
Mostly sunny, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles S East Thermopolis WY
 43.49°N 108.18°W (Elev. 6001 ft)
Last Update:
1:18 am MST Jan 21, 2026
Forecast Valid:
1am MST Jan 21, 2026-6pm MST Jan 27, 2026
 
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