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

Above Average Temperatures for Most Today; Winter Weather Returns to the Upper Midwest and Great Lakes

Well above average temperatures are forecast today into Wednesday over most of the lower 48 states away from the Gulf Coast. A storm system passing across southern Canada will bring a wintry mix to the upper Great Lakes today. A trailing cold front will then bring the wintry mix from the central Appalachians through the Northeast U.S. Wednesday and Thursday. Read More >

Current conditions at

CW8386 Thermopolis (C8386)

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

NA

51°F

11°C

Humidity 41%
Wind Speed N 0 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 28°F (-2°C)
Visibility NA
Last update 13 Jan 12:40 PM MST
Extended Forecast for

Thermopolis WY

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 55. Light and variable wind becoming north 5 to 10 mph.

    High: 55 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. Northwest wind around 5 mph becoming calm in the evening.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 57. South wind around 5 mph becoming calm in the morning.

    High: 57 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 26. Light south southwest wind.

    Low: 26 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 52. Light and variable wind becoming north 5 to 10 mph in the afternoon.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 20. Blustery, with a north northwest wind 11 to 15 mph, with gusts as high as 24 mph.

    Low: 20 °F

    Mostly Clear
    and Blustery

  • Friday

    Friday: Mostly sunny, with a high near 40. North northwest wind 8 to 10 mph.

    High: 40 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 55. Light and variable wind becoming north 5 to 10 mph.
Tonight
Mostly cloudy, with a low around 36. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 57. South wind around 5 mph becoming calm in the morning.
Wednesday Night
Mostly clear, with a low around 26. Light south southwest wind.
Thursday
Sunny, with a high near 52. Light and variable wind becoming north 5 to 10 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 20. Blustery, with a north northwest wind 11 to 15 mph, with gusts as high as 24 mph.
Friday
Mostly sunny, with a high near 40. North northwest wind 8 to 10 mph.
Friday Night
Mostly clear, with a low around 18.
Saturday
Sunny, with a high near 47.
Saturday Night
Mostly clear, with a low around 21.
Sunday
Sunny, with a high near 49.
Sunday Night
Mostly clear, with a low around 19.
M.L.King Day
Sunny, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Thermopolis WY
 43.64°N 108.2°W (Elev. 4400 ft)
Last Update:
11:47 am MST Jan 13, 2026
Forecast Valid:
12pm MST Jan 13, 2026-6pm MST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

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