Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

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. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

CW8386 Thermopolis (C8386)

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

NA

94°F

34°C

Humidity 21%
Wind Speed N 1 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 48°F (9°C)
Visibility NA
Heat Index91°F (33°C)
Last update 27 Aug 02:40 PM MDT
Extended Forecast for

Thermopolis WY

  • This Afternoon

    This Afternoon: Isolated showers, with thunderstorms also possible after 3pm.  Partly sunny, with a high near 94. East southeast wind around 6 mph becoming west northwest.  Chance of precipitation is 20%.

    High: 94 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Isolated showers and thunderstorms before 9pm.  Mostly cloudy, with a low around 63. Southwest wind around 6 mph becoming light and variable  after midnight.  Chance of precipitation is 20%.

    Low: 63 °F

    Isolated
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: Scattered showers and thunderstorms, mainly after 4pm.  Partly sunny, with a high near 89. Light and variable wind becoming southwest 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 30%.

    High: 89 °F

    Partly Sunny
    then
    Scattered
    Showers

  • Friday Night

    Friday Night: Scattered showers and thunderstorms before 9pm, then isolated showers between 9pm and midnight.  Mostly cloudy, with a low around 61. West southwest wind 5 to 9 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Low: 61 °F

    Scattered
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Scattered showers and thunderstorms after noon.  Partly sunny, with a high near 85. Light and variable wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 22 mph.  Chance of precipitation is 30%.

    High: 85 °F

    Mostly Cloudy
    then
    Scattered
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 58. West wind 6 to 11 mph becoming light and variable.

    Low: 58 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 84. Breezy, with a south wind 7 to 12 mph becoming west southwest 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 84 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

This Afternoon
Isolated showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 94. East southeast wind around 6 mph becoming west northwest. Chance of precipitation is 20%.
Tonight
Isolated showers and thunderstorms before 9pm. Mostly cloudy, with a low around 63. Southwest wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Friday
Scattered showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 89. Light and variable wind becoming southwest 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Friday Night
Scattered showers and thunderstorms before 9pm, then isolated showers between 9pm and midnight. Mostly cloudy, with a low around 61. West southwest wind 5 to 9 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
Scattered showers and thunderstorms after noon. Partly sunny, with a high near 85. Light and variable wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 58. West wind 6 to 11 mph becoming light and variable.
Sunday
Mostly sunny, with a high near 84. Breezy, with a south wind 7 to 12 mph becoming west southwest 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 85. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Thermopolis WY
 43.64°N 108.2°W (Elev. 4400 ft)
2:48 pm MDT Aug 27, 2026
2pm MDT Aug 27, 2026-6pm MDT Sep 2, 2026
 
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Additional Resources

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