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

21°F

-6°C

Humidity 69%
Wind Speed N 0 MPH
Barometer 30.31 in (1026.41 mb)
Dewpoint 12°F (-11°C)
Visibility NA
Last update 19 Jan 08:55 AM MST
Extended Forecast for

Thermopolis WY

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 41. Calm wind.

    High: 41 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 14. Light and variable wind.

    Low: 14 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40. 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: 40 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Patchy fog between 2am and 4am.  Otherwise, mostly clear, with a low around 14. Calm wind becoming south around 5 mph.

    Low: 14 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Sunny, with a high near 35. Light and variable wind becoming north northwest 5 to 10 mph.

    High: 35 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 11. Calm wind.

    Low: 11 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 38. Calm wind becoming north around 5 mph in the afternoon.

    High: 38 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

Detailed Forecast

M.L.King Day
Sunny, with a high near 41. Calm wind.
Tonight
Mostly clear, with a low around 14. Light and variable wind.
Tuesday
Mostly sunny, with a high near 40. 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
Patchy fog between 2am and 4am. Otherwise, mostly clear, with a low around 14. Calm wind becoming south around 5 mph.
Wednesday
Sunny, with a high near 35. Light and variable wind becoming north northwest 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 11. Calm wind.
Thursday
Partly sunny, with a high near 38. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 10.
Friday
Mostly sunny, with a high near 29.
Friday Night
Partly cloudy, with a low around 8.
Saturday
Sunny, with a high near 36.
Saturday Night
Partly cloudy, with a low around 12.
Sunday
Sunny, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
Thermopolis WY
 43.64°N 108.2°W (Elev. 4400 ft)
8:48 am MST Jan 19, 2026
9am 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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