Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

CW8386 Thermopolis (C8386)

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

NA

77°F

25°C

Humidity 35%
Wind Speed N 2 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 47°F (8°C)
Visibility NA
Heat Index78°F (26°C)
Last update 26 Aug 08:25 PM MDT
Extended Forecast for

Thermopolis WY

  • Tonight

    Tonight: Partly cloudy, with a low around 60. West northwest wind 5 to 7 mph becoming south after midnight.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 93. Light and variable wind becoming north northeast 8 to 13 mph in the afternoon.

    High: 93 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm.  Cloudy during the early evening, then gradual clearing, with a low around 62. Breezy, with a west wind 11 to 16 mph becoming south southwest 5 to 10 mph in the evening. Winds could gust as high as 23 mph.  Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    T-storms and
    Breezy then
    Partly Cloudy

  • Friday

    Friday: Cloudy through mid morning, then becoming mostly sunny, with a high near 89. Light and variable wind becoming west southwest 5 to 9 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 10 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 62. North wind 5 to 9 mph becoming light and variable  in the evening.

    Low: 62 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 85. Breezy, with a light and variable wind becoming west northwest 10 to 15 mph in the morning. Winds could gust as high as 24 mph.  Chance of precipitation is 30%.

    High: 85 °F

    Slight Chance
    Showers then
    Chance
    T-storms and
    Breezy

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 56. North northwest wind 5 to 9 mph becoming south southwest after midnight.

    Low: 56 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 82. Breezy.

    High: 82 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 60. West northwest wind 5 to 7 mph becoming south after midnight.
Thursday
Mostly sunny, with a high near 93. Light and variable wind becoming north northeast 8 to 13 mph in the afternoon.
Thursday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Cloudy during the early evening, then gradual clearing, with a low around 62. Breezy, with a west wind 11 to 16 mph becoming south southwest 5 to 10 mph in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 20%.
Friday
Cloudy through mid morning, then becoming mostly sunny, with a high near 89. Light and variable wind becoming west southwest 5 to 9 mph in the afternoon.
Friday Night
A 10 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 62. North wind 5 to 9 mph becoming light and variable in the evening.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 85. Breezy, with a light and variable wind becoming west northwest 10 to 15 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 30%.
Saturday Night
A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 56. North northwest wind 5 to 9 mph becoming south southwest after midnight.
Sunday
Mostly sunny, with a high near 82. Breezy.
Sunday Night
Mostly clear, with a low around 51.
Monday
Sunny, with a high near 83.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Thermopolis WY
 43.64°N 108.23°W (Elev. 4436 ft)
8:01 pm MDT Aug 26, 2026
8pm MDT Aug 26, 2026-6pm MDT Sep 2, 2026
 
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Additional Resources

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