Thermopolis, WY Weather Forecast

Local 7-day forecast

61°
F

Smoke

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

Monday, August 3, 2026
Wind: 8 mph SSW
Overnight

Smoke. Mostly clear. Low around 61, with temperatures rising to around 64 overnight. South southwest wind around 8 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: Aug 3, 2026 3:38 AM MDT.

The active forecast window currently covers Aug 3 to Aug 9, 2026 for Thermopolis, WY.

Page Snapshot

Page focus
city weather
Forecast window
Aug 3 to Aug 9, 2026
Latest sync
Aug 3, 2026 3:38 AM MDT
Forecast office
RIW
Source
NOAA / NWS
Next High
80°F
Monday
Next Low
61°F
Overnight
Rain Outlook
0
Periods mentioning precipitation
Windiest
7 to 22 mph
Monday

Daily Outlook

Today
Aug 3
Smoke
80 °F
/ 61°F
Wind 7 to 22 mph
Tue
Aug 4
Areas Of Smoke
82 °F
/ 55°F
Wind 1 to 12 mph
Wed
Aug 5
Sunny
88 °F
/ 58°F
Wind 1 to 8 mph
Thu
Aug 6
Sunny
94 °F
/ 62°F
Wind 1 to 8 mph
Fri
Aug 7
Sunny
99 °F
/ 66°F
Wind 6 mph
Sat
Aug 8
Sunny
100 °F
/ 67°F
Wind 5 to 9 mph
Sun
Aug 9
Sunny
99 °F
Wind 5 to 9 mph

This Week in Thermopolis

Saturday looks like the warmest upcoming period in Thermopolis at 100 degrees F.

Monday Night is the coolest period ahead with temperatures near 51 degrees F.

The strongest winds are forecast for Monday at about 7 to 22 mph NNW.

The forecast from Aug 3 through Aug 9 stays mostly dry.

Forecast Details

Last updated
Aug 3, 2026 3:38 AM MDT
Coverage
7 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

Monday
Aug 3
80°F
Smoke
7 to 22 mph NNW

Smoke. Sunny, with a high near 80. North northwest wind 7 to 22 mph, with gusts as high as 33 mph.

Monday Night
Aug 3
51°F
Areas Of Smoke
3 to 21 mph NW

Areas of smoke. Mostly clear, with a low around 51. Northwest wind 3 to 21 mph, with gusts as high as 31 mph.

Tuesday
Aug 4
82°F
Areas Of Smoke
1 to 12 mph NNE

Areas of smoke. Sunny, with a high near 82. North northeast wind 1 to 12 mph.

Tuesday Night
Aug 4
55°F
Mostly Clear
1 to 14 mph NNW

Mostly clear, with a low around 55. North northwest wind 1 to 14 mph, with gusts as high as 21 mph.

Wednesday
Aug 5
88°F
Sunny
1 to 8 mph NW

Sunny, with a high near 88. Northwest wind 1 to 8 mph.

Wednesday Night
Aug 5
58°F
Mostly Clear
1 to 10 mph NW

Mostly clear, with a low around 58. Northwest wind 1 to 10 mph.

Thursday
Aug 6
94°F
Sunny
1 to 8 mph SE

Sunny, with a high near 94.

Thursday Night
Aug 6
62°F
Clear
3 to 9 mph NW

Clear, with a low around 62.

Friday
Aug 7
99°F
Sunny
6 mph SSE

Sunny, with a high near 99.

Friday Night
Aug 7
66°F
Mostly Clear
8 mph NW

Mostly clear, with a low around 66.

Saturday
Aug 8
100°F
Sunny
5 to 9 mph NW

Sunny, with a high near 100.

Saturday Night
Aug 8
67°F
Mostly Clear
6 to 9 mph WNW

Mostly clear, with a low around 67.

Sunday
Aug 9
99°F
Sunny
5 to 9 mph SSW

Sunny, with a high near 99.

Detailed Forecast

Period Conditions Temp Wind
Overnight
Aug 3
Smoke
61°F
8 mph
SSW
Monday
Aug 3
Smoke
80°F
7 to 22 mph
NNW
Monday Night
Aug 3
Areas Of Smoke
51°F
3 to 21 mph
NW
Tuesday
Aug 4
Areas Of Smoke
82°F
1 to 12 mph
NNE
Tuesday Night
Aug 4
Mostly Clear
55°F
1 to 14 mph
NNW
Wednesday
Aug 5
Sunny
88°F
1 to 8 mph
NW
Wednesday Night
Aug 5
Mostly Clear
58°F
1 to 10 mph
NW
Thursday
Aug 6
Sunny
94°F
1 to 8 mph
SE
Thursday Night
Aug 6
Clear
62°F
3 to 9 mph
NW
Friday
Aug 7
Sunny
99°F
6 mph
SSE
Friday Night
Aug 7
Mostly Clear
66°F
8 mph
NW
Saturday
Aug 8
Sunny
100°F
5 to 9 mph
NW
Saturday Night
Aug 8
Mostly Clear
67°F
6 to 9 mph
WNW
Sunday
Aug 9
Sunny
99°F
5 to 9 mph
SSW

Nearby Forecasts

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

Nearby forecast pages are not available for this location yet.

Thermopolis viewed from Roundtop Mountain
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.