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

Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Hazardous Weather Conditions

Current conditions at

CW8386 Thermopolis (C8386)

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

NA

41°F

5°C

Humidity 84%
Wind Speed N 3 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 36°F (2°C)
Visibility NA
Last update 11 Oct 09:40 PM MDT
Extended Forecast for

Thermopolis WY

Freeze Warning October 11, 11:00pm until October 12, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Tonight

    Tonight: Showers, mainly before 1am. Low around 28. Blustery, with a north wind 10 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 28 °F

    Showers then
    Chance
    Showers and
    Blustery

  • Columbus Day

    Columbus Day: Cloudy, then gradually becoming mostly sunny, with a high near 52. North northeast wind 6 to 9 mph.

    High: 52 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Showers likely before 3am, then a slight chance of showers after 5am. Increasing clouds, with a low around 33. North wind 3 to 6 mph. Chance of precipitation is 60%.

    Low: 33 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A 50 percent chance of showers. Mostly cloudy, with a high near 52. Calm wind becoming north 5 to 9 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers. Low around 33. North wind 5 to 9 mph becoming calm after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 33 °F

    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers. Mostly cloudy, with a high near 54. Light and variable wind.

    High: 54 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 34. Calm wind becoming southwest around 5 mph after midnight.

    Low: 34 °F

    Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 59. Breezy.

    High: 59 °F

    Sunny then
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers, mainly before 1am. Low around 28. Blustery, with a north wind 10 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Columbus Day
Cloudy, then gradually becoming mostly sunny, with a high near 52. North northeast wind 6 to 9 mph.
Monday Night
Showers likely before 3am, then a slight chance of showers after 5am. Increasing clouds, with a low around 33. North wind 3 to 6 mph. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of showers. Mostly cloudy, with a high near 52. Calm wind becoming north 5 to 9 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Showers. Low around 33. North wind 5 to 9 mph becoming calm after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 54. Light and variable wind.
Wednesday Night
A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 34. Calm wind becoming southwest around 5 mph after midnight.
Thursday
Sunny, with a high near 59. Breezy.
Thursday Night
Mostly clear, with a low around 31.
Friday
Sunny, with a high near 62.
Friday Night
Clear, with a low around 34. Breezy.
Saturday
Sunny, with a high near 70.
Saturday Night
Mostly clear, with a low around 39.
Sunday
Sunny, with a high near 72.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Thermopolis WY
 43.64°N 108.23°W (Elev. 4436 ft)
Last Update:
8:32 pm MDT Oct 11, 2026
Forecast Valid:
9pm MDT Oct 11, 2026-6pm MDT Oct 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation