Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Hazardous Weather Conditions

Current conditions at

CW8386 Thermopolis (C8386)

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

NA

45°F

7°C

Humidity	62%
Wind Speed	N 0 MPH
Barometer	29.91 in (1012.87 mb)
Dewpoint	33°F (1°C)
Visibility	NA
Last update	17 Mar 09:40 AM MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

11 Miles S East Thermopolis WY

Fire Weather Watch March 18, 12:00pm until March 21, 09:00pm

Click here for hazard details and duration

Fire Weather Watch

Today
High: 64 °F
Mostly Sunny
Tonight
Low: 43 °F
Partly Cloudy
Wednesday
High: 69 °F
Mostly Sunny
and Breezy
Wednesday Night
Low: 45 °F
Partly Cloudy
and Breezy
Thursday
High: 72 °F
Sunny and
Breezy
Thursday Night
Low: 49 °F
Partly Cloudy
and Breezy
Friday
High: 73 °F
Partly Sunny
then Mostly
Sunny and
Breezy
Friday Night
Low: 49 °F
Mostly Cloudy
and Breezy
Saturday
High: 73 °F
Mostly Sunny
and Breezy

Detailed Forecast

Today

Mostly sunny, with a high near 64. Northwest wind 9 to 14 mph, with gusts as high as 21 mph.

Tonight

Partly cloudy, with a low around 43. West northwest wind 10 to 14 mph becoming south after midnight. Winds could gust as high as 21 mph.

Wednesday

Mostly sunny, with a high near 69. Breezy, with a south wind 14 to 22 mph becoming west in the afternoon. Winds could gust as high as 33 mph.

Wednesday Night

Partly cloudy, with a low around 45. Breezy, with a west southwest wind 14 to 21 mph, with gusts as high as 31 mph.

Thursday

Sunny, with a high near 72. Breezy, with a south southwest wind 14 to 18 mph becoming west in the afternoon. Winds could gust as high as 28 mph.

Thursday Night

Partly cloudy, with a low around 49. Breezy, with a southwest wind 14 to 18 mph, with gusts as high as 28 mph.

Friday

Partly sunny, with a high near 73. Breezy, with a west wind 14 to 21 mph, with gusts as high as 29 mph.

Friday Night

Mostly cloudy, with a low around 49. Breezy.

Saturday

Mostly sunny, with a high near 73. Breezy.

Saturday Night

Partly cloudy, with a low around 41. Breezy.

Sunday

Partly sunny, with a high near 57. Breezy.

Sunday Night

Mostly cloudy, with a low around 41. Breezy.

Monday

Partly sunny, with a high near 60. Breezy.

Additional Forecasts and Information

Zone Area Forecast for Owl Creek and Bridger Mountains, WY

Basemap Options

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ABOUT THIS FORECAST

Point Forecast:

11 Miles S East Thermopolis WY
43.49°N 108.18°W (Elev. 6001 ft)

9:21 am MDT Mar 17, 2026

Forecast Valid:

9am MDT Mar 17, 2026-6pm MDT Mar 23, 2026

Forecast Discussion

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