Cold Temperatures for the Eastern U.S.; Lake Effect Snow in the Great Lakes; Heavy Rain in the Pacific Northwest

Cold temperatures will continue across much of the eastern U.S. into today. Heavy lake effect snow continues into today east of Lakes Erie and Ontario. Two Pacific cold fronts will cross the Pacific Northwest early this week followed by another atmospheric river. Heavy rain and gusty winds are expected through midweek, with the potential for renewed urban and river flooding. Read More >

Hazardous Weather Conditions

Current conditions at

CW8386 Thermopolis (C8386)

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

NA

44°F

7°C

Humidity 45%
Wind Speed N 4 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 24°F (-4°C)
Visibility NA
Wind Chill42°F (6°C)
Last update 15 Dec 04:26 PM MST
Extended Forecast for

Thermopolis WY

  • This Afternoon

    This Afternoon: Sunny, with a steady temperature around 48. Calm wind.

    High: 48 °F

    Sunny

  • Tonight

    Tonight: Mostly clear during the early evening, then becoming mostly cloudy, with a low around 30. Southwest wind 3 to 8 mph.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 56. Southwest wind 6 to 9 mph becoming south southeast in the morning.

    High: 56 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. Breezy, with a south southwest wind 14 to 22 mph, with gusts as high as 36 mph.

    Low: 34 °F

    Mostly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Scattered rain showers before 2pm, then scattered rain and snow showers.  Mostly sunny, with a high near 58. Windy, with a south wind 17 to 22 mph becoming west 28 to 33 mph in the afternoon. Winds could gust as high as 50 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 58 °F

    Windy.
    Scattered
    Showers then
    Scattered
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 20. Blustery, with a west northwest wind 16 to 21 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 32 mph.

    Low: 20 °F

    Mostly Clear
    and Blustery
    then Partly
    Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 42. South wind 5 to 11 mph.

    High: 42 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of rain and snow showers after 11pm.  Mostly cloudy, with a low around 29. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Rain/Snow

  • Friday

    Friday: A 20 percent chance of showers.  Partly sunny, with a high near 58. Breezy.

    High: 58 °F

    Slight Chance
    Showers and
    Breezy

Detailed Forecast

This Afternoon
Sunny, with a steady temperature around 48. Calm wind.
Tonight
Mostly clear during the early evening, then becoming mostly cloudy, with a low around 30. Southwest wind 3 to 8 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 56. Southwest wind 6 to 9 mph becoming south southeast in the morning.
Tuesday Night
Mostly cloudy, with a low around 34. Breezy, with a south southwest wind 14 to 22 mph, with gusts as high as 36 mph.
Wednesday
Scattered rain showers before 2pm, then scattered rain and snow showers. Mostly sunny, with a high near 58. Windy, with a south wind 17 to 22 mph becoming west 28 to 33 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday Night
Mostly clear, with a low around 20. Blustery, with a west northwest wind 16 to 21 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 32 mph.
Thursday
Partly sunny, with a high near 42. South wind 5 to 11 mph.
Thursday Night
A slight chance of rain and snow showers after 11pm. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 58. Breezy.
Friday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 29. Breezy. Chance of precipitation is 30%.
Saturday
A slight chance of snow showers. Mostly sunny, with a high near 48.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
Thermopolis WY
 43.64°N 108.2°W (Elev. 4400 ft)
2:32 pm MST Dec 15, 2025
4pm MST Dec 15, 2025-6pm MST Dec 21, 2025
 
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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