Current Local Time in Thermopolis, Wyoming, USA

9:16:37 pm MST

Thursday, December 4, 2025

Country:	United States
State:	Wyoming (WY)
Lat/Long:	43°39'N / 108°13'W
Elevation:	1320 m
Currency:	United States Dollar (USD)
Languages:	English
Country Code:	+1

°F

Weather

28 °F

Overcast.
39 / 20 °F

Fri 5.		39 / 20 °F
Sat 6.		43 / 25 °F

More weather details

Time Zone

MST (Mountain Standard Time)
UTC/GMT -7 hours

DST started

Mar 9, 2025
Forward 1 hour

DST ended

Nov 2, 2025
Back 1 hour

Difference

2 hours behind
Columbus

About MST — Mountain Standard Time

Set your location

Sunrise

7:29 am
↑ 121° Southeast

Sunset

4:36 pm
↑ 239° Southwest

Day length

9 hours, 6 minutes
-1m 15s shorter

Moon 99.7%

Set – 7:29 am
Rise – 4:03 pm

More Sun & Moon in Thermopolis
+ Show More Twilight and Moon Phase Information

Solar Noon

Sun in South: 12:03 pm
Altitude: 24.0°

Astronomical
Twilight

5:47 am – 6:21 am
5:44 pm – 6:19 pm

Nautical
Twilight

6:21 am – 6:57 am
5:08 pm – 5:44 pm

Civil
Twilight

6:57 am – 7:29 am
4:36 pm – 5:08 pm

Previous
Moon Phase

Full Moon
December 4, 2025
4:14 pm

Next
Moon Phase

Third Quarter
December 11, 2025
1:51 pm

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Airports

Worland Municipal Airport, WRL
About 25 mi NNE of Thermopolis
Riverton Regional Airport, RIW
About 42 mi SSW of Thermopolis
Sheridan County Airport, SHR
About 99 mi NE of Thermopolis

Other cities near Thermopolis

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Thermopolis

USA

9:1637pm

Thursday, December 4, 2025