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

6°F

-14°C

Humidity 79%
Wind Speed N 0 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 1°F (-17°C)
Visibility NA
Last update 21 Jan 06:56 AM MST
Extended Forecast for

4 Miles S East Thermopolis WY

  • Today

    Today: Sunny, with a high near 33. Calm wind becoming north 5 to 9 mph in the morning.

    High: 33 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 9. Calm wind.

    Low: 9 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 28. Calm wind becoming north northeast 5 to 9 mph in the morning.

    High: 28 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow showers after 11pm.  Mostly cloudy, with a low around 6. North northeast wind 3 to 8 mph.

    Low: 6 °F

    Slight Chance
    Snow Showers

  • Friday

    Friday: A 20 percent chance of snow showers.  Mostly cloudy, with a high near 19. Light north northeast wind becoming north 5 to 10 mph in the morning.

    High: 19 °F

    Slight Chance
    Snow Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around -2. North wind 5 to 7 mph becoming calm  in the evening.

    Low: -2 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 26. Calm wind becoming east around 5 mph in the afternoon.

    High: 26 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 2.

    Low: 2 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 33. Calm wind becoming north 5 to 9 mph in the morning.
Tonight
Partly cloudy, with a low around 9. Calm wind.
Thursday
Mostly sunny, with a high near 28. Calm wind becoming north northeast 5 to 9 mph in the morning.
Thursday Night
A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 6. North northeast wind 3 to 8 mph.
Friday
A 20 percent chance of snow showers. Mostly cloudy, with a high near 19. Light north northeast wind becoming north 5 to 10 mph in the morning.
Friday Night
Partly cloudy, with a low around -2. North wind 5 to 7 mph becoming calm in the evening.
Saturday
Sunny, with a high near 26. Calm wind becoming east around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 2.
Sunday
Mostly sunny, with a high near 30.
Sunday Night
Partly cloudy, with a low around 8.
Monday
Mostly sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Mostly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S East Thermopolis WY
 43.6°N 108.22°W (Elev. 4495 ft)
6:31 am MST Jan 21, 2026
7am 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