Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Hazardous Weather Conditions

Current conditions at

CW8386 Thermopolis (C8386)

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

NA

49°F

9°C

Humidity 41%
Wind Speed N 4 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 26°F (-3°C)
Visibility NA
Wind Chill48°F (9°C)
Last update 25 Dec 09:25 PM MST
Extended Forecast for

11 Miles S East Thermopolis WY

  • Tonight

    Tonight: Mostly clear, with a low around 33. Breezy, with a south wind 16 to 21 mph, with gusts as high as 29 mph.

    Low: 33 °F

    Mostly Clear
    and Breezy

  • Friday

    Friday: Scattered rain and snow showers, mainly after 5pm.  Snow level rising to 6500 feet in the afternoon. Mostly sunny, with a high near 45. Windy, with a south wind 23 to 29 mph, with gusts as high as 40 mph.  Chance of precipitation is 30%.

    High: 45 °F

    Windy. Sunny
    then
    Scattered
    Rain/Snow

  • Friday Night

    Friday Night: Scattered snow showers, mainly before 7pm.  Mostly cloudy, with a low around 30. Breezy, with a south southwest wind 17 to 22 mph, with gusts as high as 31 mph.  Chance of precipitation is 30%.

    Low: 30 °F

    Breezy.
    Scattered
    Snow Showers
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 37. Breezy, with a south wind 17 to 22 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph.

    High: 37 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: A 50 percent chance of snow showers.  Mostly cloudy, with a low around 13. Blustery, with a north wind 17 to 22 mph, with gusts as high as 28 mph.  New snow accumulation of less than one inch possible.

    Low: 13 °F

    Chance Snow
    Showers and
    Blustery

  • Sunday

    Sunday: Sunny, with a high near 23. North wind 6 to 13 mph.

    High: 23 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 15. North wind 5 to 8 mph becoming south in the evening.

    Low: 15 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 30.

    High: 30 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 33. Breezy, with a south wind 16 to 21 mph, with gusts as high as 29 mph.
Friday
Scattered rain and snow showers, mainly after 5pm. Snow level rising to 6500 feet in the afternoon. Mostly sunny, with a high near 45. Windy, with a south wind 23 to 29 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.
Friday Night
Scattered snow showers, mainly before 7pm. Mostly cloudy, with a low around 30. Breezy, with a south southwest wind 17 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 37. Breezy, with a south wind 17 to 22 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph.
Saturday Night
A 50 percent chance of snow showers. Mostly cloudy, with a low around 13. Blustery, with a north wind 17 to 22 mph, with gusts as high as 28 mph. New snow accumulation of less than one inch possible.
Sunday
Sunny, with a high near 23. North wind 6 to 13 mph.
Sunday Night
Mostly clear, with a low around 15. North wind 5 to 8 mph becoming south in the evening.
Monday
Sunny, with a high near 30.
Monday Night
Partly cloudy, with a low around 22.
Tuesday
Partly sunny, with a high near 35.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
Partly sunny, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 28.
New Year's Day
Mostly sunny, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles S East Thermopolis WY
 43.49°N 108.18°W (Elev. 6001 ft)
8:01 pm MST Dec 25, 2025
9pm MST Dec 25, 2025-6pm MST Jan 1, 2026
 
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Additional Resources

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Hourly Weather Forecast

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