Hurricane and Storm Surge Watches Issued for the Northern Gulf Coast for Strengthening Tropical Storm Isaias

Tropical Storm Isaias is forecast to track toward the central Gulf Coast while strengthening into a hurricane on Thursday. There is an increasing risk of damaging hurricane-force winds and life-threatening storm surge impacts along portions of the northern Gulf Coast Friday into Saturday. Isaias will bring heavy rainfall to the central Gulf Coast and much of the Southeast Friday into the weekend. Read More >

Current conditions at

CW8386 Thermopolis (C8386)

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

NA

83°F

28°C

Humidity 23%
Wind Speed N 4 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 41°F (5°C)
Visibility NA
Heat Index81°F (27°C)
Last update 07 Oct 03:40 PM MDT
Extended Forecast for

Thermopolis WY

  • This Afternoon

    This Afternoon: Sunny, with a high near 80. Northeast wind around 5 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 49. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80. Calm wind becoming south around 6 mph in the afternoon.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50. Light and variable wind becoming south southwest 5 to 10 mph in the evening.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 84 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. Breezy, with a south wind 13 to 17 mph, with gusts as high as 23 mph.

    Low: 54 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 78. Breezy, with a south wind 15 to 21 mph becoming west northwest in the afternoon. Winds could gust as high as 29 mph.

    High: 78 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Showers likely, mainly after midnight.  Mostly cloudy, with a low around 34. Breezy.  Chance of precipitation is 70%.

    Low: 34 °F

    Showers
    Likely and
    Breezy

  • Sunday

    Sunday: Rain showers likely before 9am, then rain and snow showers likely between 9am and noon, then a chance of rain showers after noon.  Mostly cloudy, with a high near 50. Chance of precipitation is 60%.

    High: 50 °F

    Rain/Snow
    Likely then
    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 80. Northeast wind around 5 mph.
Tonight
Mostly clear, with a low around 49. Northeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 80. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 50. Light and variable wind becoming south southwest 5 to 10 mph in the evening.
Friday
Sunny, with a high near 84. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph.
Friday Night
Mostly clear, with a low around 54. Breezy, with a south wind 13 to 17 mph, with gusts as high as 23 mph.
Saturday
Mostly sunny, with a high near 78. Breezy, with a south wind 15 to 21 mph becoming west northwest in the afternoon. Winds could gust as high as 29 mph.
Saturday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 34. Breezy. Chance of precipitation is 70%.
Sunday
Rain showers likely before 9am, then rain and snow showers likely between 9am and noon, then a chance of rain showers after noon. Mostly cloudy, with a high near 50. Chance of precipitation is 60%.
Sunday Night
Rain and snow showers. Low around 29. Chance of precipitation is 80%.
Columbus Day
A chance of rain and snow showers. Partly sunny, with a high near 49.
Monday Night
A chance of rain and snow showers. Partly cloudy, with a low around 30.
Tuesday
A slight chance of rain and snow showers. Mostly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Thermopolis WY
 43.64°N 108.2°W (Elev. 4400 ft)
3:02 pm MDT Oct 7, 2026
3pm MDT Oct 7, 2026-6pm MDT Oct 13, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database