Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

CW8386 Thermopolis (C8386)

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

NA

36°F

2°C

Humidity 63%
Wind Speed N 0 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 24°F (-4°C)
Visibility NA
Last update 08 Dec 03:40 PM MST
Extended Forecast for

Thermopolis WY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 46. West southwest wind 3 to 5 mph.

    High: 46 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 31. Breezy, with a southwest wind 8 to 18 mph, with gusts as high as 28 mph.

    Low: 31 °F

    Mostly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 55. Breezy, with a southwest wind 13 to 18 mph becoming west southwest 5 to 10 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 55 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain showers before 8pm, then a chance of rain and snow showers.  Mostly cloudy, with a low around 28. Northeast wind 5 to 7 mph becoming south after midnight.  Chance of precipitation is 30%.

    Low: 28 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain and snow showers before 8am, then a chance of rain showers between 8am and 11am.  Partly sunny, with a high near 54. Southwest wind 7 to 10 mph.  Chance of precipitation is 30%.

    High: 54 °F

    Chance
    Rain/Snow
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 35. Southwest wind 8 to 10 mph.

    Low: 35 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers.  Partly sunny, with a high near 56. South southwest wind 8 to 10 mph becoming west northwest in the afternoon.

    High: 56 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of rain and snow showers.  Mostly cloudy, with a low around 22. Chance of precipitation is 20%.

    Low: 22 °F

    Slight Chance
    Rain/Snow

  • Friday

    Friday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 46. West southwest wind 3 to 5 mph.
Tonight
Mostly cloudy, with a low around 31. Breezy, with a southwest wind 8 to 18 mph, with gusts as high as 28 mph.
Tuesday
Partly sunny, with a high near 55. Breezy, with a southwest wind 13 to 18 mph becoming west southwest 5 to 10 mph in the afternoon. Winds could gust as high as 28 mph.
Tuesday Night
A chance of rain showers before 8pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 28. Northeast wind 5 to 7 mph becoming south after midnight. Chance of precipitation is 30%.
Wednesday
A chance of rain and snow showers before 8am, then a chance of rain showers between 8am and 11am. Partly sunny, with a high near 54. Southwest wind 7 to 10 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 35. Southwest wind 8 to 10 mph.
Thursday
A 20 percent chance of showers. Partly sunny, with a high near 56. South southwest wind 8 to 10 mph becoming west northwest in the afternoon.
Thursday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 22. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 44.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 51.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
Thermopolis WY
 43.64°N 108.2°W (Elev. 4400 ft)
2:31 pm MST Dec 8, 2025
3pm MST Dec 8, 2025-6pm MST Dec 14, 2025
 
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Additional Resources

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