What is today's weather forecast for Thermopolis, WY?

Today's forecast for Thermopolis shows a high of 57 degrees and a low of 26 degrees Fahrenheit. Sunny, with a high near 57.

What is the 7-day weather forecast for Thermopolis, WY?

The 7-day forecast for Thermopolis shows highs from 43 to 57 degrees and lows from 21 to 33 degrees Fahrenheit. Expect precipitation on 4 days with chances of 20% or higher.

Will it rain in Thermopolis, WY this week?

Yes, rain is possible in Thermopolis this week. Precipitation chances: Wednesday (50% chance), Thursday (20% chance), Friday (50% chance), Saturday (50% chance).

How accurate is the Thermopolis weather forecast?

WeatherForYou provides highly accurate Thermopolis forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Thermopolis, WY Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

27°F
Feels Like 27°F

Humidity 84% Dew Point 23°F Wind Calm Barometer 30.19 in.

Solar Rad 95 w/m²

Report from a MADIS/MESONET weather station 0.8 mi. WSW of central Thermopolis
at 8:35 AM Sun, Dec 14, 2025

Point Forecast at a Glance

SunDec 14

MonDec 15

TueDec 16

WedDec 17

50%

ThuDec 18

FriDec 19

50%

SatDec 20

50%

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

Variable high temperatures through the week, ranging from 43°F to 57°F. Unsettled weather expected with wintry mix likely on at least 4 days.

Climate Context

This week's forecast shows temperatures running 20°F above the historical average for December. Normal highs for this period are around 33°F with lows around 8°F.

This Date in Weather History

1987 - A powerful storm spread heavy snow from the Southern High Plains to the Middle Mississippi Valley, and produced severe thunderstorms in the Lower Mississippi Valley. During the evening a tornado hit West Memphis TN killing six persons and injuring two hundred others. The tornado left 1500 persons homeless, and left all of the residents of Crittendon County without electricity. Kansas City MO was blanketed with 10.8 inches of snow, a 24 hour record for December, and snowfall totals in the Oklahoma panhandle ranged up to 14 inches. Strong winds, gusting to 63 mph at Austin TX, ushered arctic cold into the Great Plains, and caused considerable blowing and drifting of snow.

Thermopolis, WY 7 Day Weather Forecast Details

Sunday Dec 14

Day: Sunny, with a high near 57. Light southeast wind becoming south 6 to 11 mph in the morning.

Night: Mostly clear, with a low around 26. South southwest wind around 8 mph.

Monday Dec 15

Day: Sunny, with a high near 55. South wind around 6 mph.

Night: Mostly cloudy, with a low around 31. South southwest wind 7 to 9 mph.

Tuesday Dec 16

Day: Mostly sunny, with a high near 56. South southwest wind 9 to 11 mph becoming west in the afternoon.

Night: Mostly cloudy, with a low around 33. South wind 10 to 13 mph, with gusts as high as 20 mph.

Wednesday Dec 17

Day: A 50 percent chance of rain. Mostly sunny, with a high near 57. Windy, with a south southwest wind 14 to 19 mph becoming west southwest 25 to 30 mph in the afternoon. Winds could gust as high as 45 mph.

Night: Mostly clear, with a low around 21. Blustery.

Thursday Dec 18

Day: Mostly sunny, with a high near 43.

Night: A slight chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 20%.

Friday Dec 19

Day: A chance of rain and snow. Partly sunny, with a high near 56. Breezy.

Night: A chance of rain and snow. Partly cloudy, with a low around 28.

Saturday Dec 20

Day: A slight chance of snow. Mostly sunny, with a high near 47.

About Thermopolis, WY

Thermopolis is the county seat and most populous town in Hot Springs County, Wyoming, United States. As of the 2020 U.S. census, the town population was 2,725. Thermopolis, Greek for "hot city", is the location of numerous natural hot springs, in which mineral-laden waters are heated by geothermal processes. The town claims the world's largest mineral hot spring, "The Big Spring", as part of Hot Springs State Park. The springs are open to the public for free as part of an 1896 treaty signed with the Shoshone and Arapaho Indian tribes.

Content from Wikipedia, licensed under CC BY-SA 3.0.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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