Thermopolis, WY Weather Forecast

Local 7-day forecast

72°

Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Thermopolis, WY in one place.

Sunday, April 19, 2026

Wind: 3 to 10 mph SSE

Sunday

Sunny, with a high near 72. South southeast wind 3 to 10 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Thermopolis, WY is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 16, 2026 12:05 PM MDT.

The active forecast window currently covers Apr 19 to Apr 22, 2026 for Thermopolis, WY.

Page Snapshot

Page focus: city weather
Forecast window: Apr 19 to Apr 22, 2026
Latest sync: Apr 16, 2026 12:05 PM MDT
Forecast office: RIW
Source: NOAA / NWS

Next High

72°F

Sunday

Next Low

39°F

Sunday Night

Rain Outlook

Periods mentioning precipitation

Windiest

12 to 18 mph

Wednesday

Daily Outlook

Today

Apr 19

Sunny

72 °F

/ 39°F

Wind 3 to 10 mph

Mon

Apr 20

Mostly Sunny

78 °F

/ 44°F

Wind 6 to 13 mph

Tue

Apr 21

Sunny

80 °F

/ 45°F

Wind 7 to 17 mph

Wed

Apr 22

Chance Rain Showers

71 °F

/ 38°F

Wind 12 to 18 mph

This Week in Thermopolis

Tuesday looks like the warmest upcoming period in Thermopolis at 80 degrees F.

Wednesday Night is the coolest period ahead with temperatures near 38 degrees F.

The strongest winds are forecast for Wednesday at about 12 to 18 mph SW.

Precipitation is mentioned in 3 upcoming forecast periods.

Forecast Details

Last updated: Apr 16, 2026 12:05 PM MDT
Coverage: 5 days
Time zone: America/Denver
Forecast office: RIW
Radar station: KRIW

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Sunday Night

Apr 19

39°F

Partly Cloudy

5 to 10 mph SSE

Partly cloudy, with a low around 39.

Monday

Apr 20

78°F

Mostly Sunny

6 to 13 mph SSW

Mostly sunny, with a high near 78.

Monday Night

Apr 20

44°F

Partly Cloudy

7 to 12 mph SSW

Partly cloudy, with a low around 44.

Tuesday

Apr 21

80°F

Sunny

7 to 17 mph S

Sunny, with a high near 80.

Tuesday Night

Apr 21

45°F

Slight Chance Rain Showers

10 to 16 mph S

A slight chance of rain showers. Partly cloudy, with a low around 45.

Wednesday

Apr 22

71°F

Chance Rain Showers

12 to 18 mph SW

A chance of rain showers. Mostly sunny, with a high near 71.

Wednesday Night

Apr 22

38°F

Chance Rain Showers

10 to 16 mph W

A chance of rain showers. Mostly cloudy, with a low around 38.

Detailed Forecast

Period	Conditions	Temp	Wind	Details
Sunday Apr 19	Sunny	72°F	3 to 10 mph SSE	Sunny, with a high near 72. South southeast wind 3 to 10 mph.
Sunday Night Apr 19	Partly Cloudy	39°F	5 to 10 mph SSE	Partly cloudy, with a low around 39.
Monday Apr 20	Mostly Sunny	78°F	6 to 13 mph SSW	Mostly sunny, with a high near 78.
Monday Night Apr 20	Partly Cloudy	44°F	7 to 12 mph SSW	Partly cloudy, with a low around 44.
Tuesday Apr 21	Sunny	80°F	7 to 17 mph S	Sunny, with a high near 80.
Tuesday Night Apr 21	Slight Chance Rain Showers	45°F	10 to 16 mph S	A slight chance of rain showers. Partly cloudy, with a low around 45.
Wednesday Apr 22	Chance Rain Showers	71°F	12 to 18 mph SW	A chance of rain showers. Mostly sunny, with a high near 71.
Wednesday Night Apr 22	Chance Rain Showers	38°F	10 to 16 mph W	A chance of rain showers. Mostly cloudy, with a low around 38.

Nearby Forecasts

Explore weather pages for nearby cities and major places around Thermopolis.

Nearby forecast pages are not available for this location yet.

Region Links

Hot Springs County weather

County forecast page

Wyoming weather

Statewide weather overview

United States weather

National weather entry point

Thermopolis viewed from Roundtop Mountain image

Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.