Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

CW8386 Thermopolis (C8386)

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

NA

15°F

-9°C

Humidity 73%
Wind Speed N 4 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 8°F (-13°C)
Visibility NA
Wind Chill8°F (-13°C)
Last update 19 Jan 06:10 AM MST
Extended Forecast for

4 Miles S East Thermopolis WY

  • M.L.King Day

    M.L.King Day: Areas of fog between 7am and 8am.  Otherwise, sunny, with a high near 41. Calm wind.

    High: 41 °F

    Areas Fog
    then Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 17. Light and variable wind becoming south around 5 mph.

    Low: 17 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39. Breezy, with a light and variable wind becoming north 11 to 16 mph in the afternoon. Winds could gust as high as 23 mph.

    High: 39 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 15. Calm wind becoming south around 5 mph.

    Low: 15 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 35. Light and variable wind becoming north northwest 8 to 13 mph.

    High: 35 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 12. Calm wind.

    Low: 12 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 38. Calm wind becoming north around 6 mph in the afternoon.

    High: 38 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 11.

    Low: 11 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

Detailed Forecast

M.L.King Day
Areas of fog between 7am and 8am. Otherwise, sunny, with a high near 41. Calm wind.
Tonight
Mostly clear, with a low around 17. Light and variable wind becoming south around 5 mph.
Tuesday
Mostly sunny, with a high near 39. Breezy, with a light and variable wind becoming north 11 to 16 mph in the afternoon. Winds could gust as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 15. Calm wind becoming south around 5 mph.
Wednesday
Sunny, with a high near 35. Light and variable wind becoming north northwest 8 to 13 mph.
Wednesday Night
Partly cloudy, with a low around 12. Calm wind.
Thursday
Partly sunny, with a high near 38. Calm wind becoming north around 6 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 11.
Friday
Mostly sunny, with a high near 29.
Friday Night
Partly cloudy, with a low around 9.
Saturday
Sunny, with a high near 36.
Saturday Night
Partly cloudy, with a low around 13.
Sunday
Sunny, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S East Thermopolis WY
 43.6°N 108.22°W (Elev. 4495 ft)
5:01 am MST Jan 19, 2026
6am MST Jan 19, 2026-6pm MST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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