Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

CW8386 Thermopolis (C8386)

Lat: 43.642°NLon: 108.22633°WElev: 4426.0ft.

41°F

5°C

Humidity	42%
Wind Speed	N 0 MPH
Barometer	29.64 in (1003.73 mb)
Dewpoint	19°F (-7°C)
Visibility	NA
Last update	27 Dec 07:11 AM MST

More Information:

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

Extended Forecast for

10 Miles ESE Lysite WY

Today
High: 43 °F
Breezy.
Partly Sunny
then Snow
Likely
Tonight
Low: 8 °F
Snow and
Blustery
Sunday
High: 24 °F
Sunny
Sunday Night
Low: 8 °F
Mostly Clear
Monday
High: 33 °F
Sunny
Monday Night
Low: 17 °F
Partly Cloudy
Tuesday
High: 39 °F
Partly Sunny
Tuesday Night
Low: 20 °F
Mostly Clear
Wednesday
High: 44 °F
Sunny

Detailed Forecast

Today

Snow likely, mainly after 4pm. Partly sunny, with a high near 43. Breezy, with a southwest wind 13 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

Tonight

Snow, mainly before 2am. Low around 8. Wind chill values as low as -5. Blustery, with a north wind 9 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Sunday

Sunny, with a high near 24. Wind chill values as low as -5. West wind 7 to 10 mph.

Sunday Night

Mostly clear, with a low around 8. Wind chill values as low as zero. West southwest wind around 6 mph.

Monday

Sunny, with a high near 33. West southwest wind 6 to 9 mph.

Monday Night

Partly cloudy, with a low around 17. Southwest wind around 7 mph.

Tuesday

Partly sunny, with a high near 39. Southwest wind around 7 mph.

Tuesday Night

Mostly clear, with a low around 20.