Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >

Current conditions at

CW8386 Thermopolis (C8386)

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

NA

67°F

19°C

Humidity 58%
Wind Speed N 2 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 52°F (11°C)
Visibility NA
Last update 27 Jul 03:25 AM MDT
Extended Forecast for

Thermopolis WY

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 73. Light west wind.

    Low: 73 °F

    Partly Cloudy

  • Monday

    Monday: Scattered showers and thunderstorms, mainly between 4pm and 5pm.  Partly sunny, with a high near 94. Light and variable wind becoming north 8 to 13 mph in the afternoon.  Chance of precipitation is 30%.

    High: 94 °F

    Partly Sunny
    then
    Scattered
    T-storms

  • Monday Night

    Monday Night: Isolated showers and thunderstorms before 9pm.  Partly cloudy, with a low around 66. North northwest wind 5 to 8 mph becoming light and variable.  Chance of precipitation is 10%.

    Low: 66 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 98. Light and variable wind becoming east northeast 5 to 7 mph in the morning.

    High: 98 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 67. South southwest wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after noon.  Mostly sunny and hot, with a high near 97. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.

    High: 97 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight.  Partly cloudy, with a low around 64. West northwest wind 5 to 10 mph becoming light and variable  after midnight.  Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 73. Light west wind.
Monday
Scattered showers and thunderstorms, mainly between 4pm and 5pm. Partly sunny, with a high near 94. Light and variable wind becoming north 8 to 13 mph in the afternoon. Chance of precipitation is 30%.
Monday Night
Isolated showers and thunderstorms before 9pm. Partly cloudy, with a low around 66. North northwest wind 5 to 8 mph becoming light and variable. Chance of precipitation is 10%.
Tuesday
Sunny and hot, with a high near 98. Light and variable wind becoming east northeast 5 to 7 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 67. South southwest wind 5 to 7 mph becoming light and variable after midnight.
Wednesday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 97. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.
Wednesday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 64. West northwest wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Thursday
Sunny and hot, with a high near 97.
Thursday Night
Mostly clear, with a low around 66.
Friday
Sunny and hot, with a high near 100.
Friday Night
Mostly clear, with a low around 66.
Saturday
Sunny and hot, with a high near 102.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Sunny and hot, with a high near 104.
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ABOUT THIS FORECAST

 
Point Forecast:
Thermopolis WY
 43.64°N 108.23°W (Elev. 4436 ft)
2:48 am MDT Jul 27, 2026
3am MDT Jul 27, 2026-6pm MDT Aug 2, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database