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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

CW8386 Thermopolis (C8386)

Lat: 43.64283°NLon: 108.227°WElev: 4419.52ft.

NA

78°F

26°C

Humidity 27%
Wind Speed N 0 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 41°F (5°C)
Visibility NA
Heat Index78°F (26°C)
Last update 04 Oct 01:25 PM MDT
Extended Forecast for

Thermopolis WY

  • This Afternoon

    This Afternoon: Sunny, with a high near 82. Light northeast wind.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 48. Calm wind becoming south southwest 5 to 7 mph in the evening.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 87. South southwest wind around 6 mph becoming calm in the afternoon.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. Calm wind becoming southwest 5 to 8 mph.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51. Northeast wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 49.

    Low: 49 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 82. Light northeast wind.
Tonight
Mostly clear, with a low around 48. Calm wind becoming south southwest 5 to 7 mph in the evening.
Monday
Sunny, with a high near 87. South southwest wind around 6 mph becoming calm in the afternoon.
Monday Night
Mostly clear, with a low around 54. Calm wind becoming southwest 5 to 8 mph.
Tuesday
Sunny, with a high near 83. Calm wind becoming northeast around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 51. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 81. Calm wind becoming east northeast around 5 mph in the afternoon.
Wednesday Night
Clear, with a low around 49.
Thursday
Sunny, with a high near 79.
Thursday Night
Clear, with a low around 48.
Friday
Sunny, with a high near 82. Breezy.
Friday Night
Mostly clear, with a low around 52. Breezy.
Saturday
Sunny, with a high near 80. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Thermopolis WY
 43.64°N 108.23°W (Elev. 4436 ft)
Last Update:
12:31 pm MDT Oct 4, 2026
Forecast Valid:
1pm MDT Oct 4, 2026-6pm MDT Oct 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation