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

Winter Weather Advisory until December 27, 02:00 PM MST

Current conditions at

EW9980 West Yellowstone (E9980)

Lat: 44.78167°NLon: 111.13833°WElev: 6565.0ft.

26°F

-3°C

Humidity	76%
Wind Speed	SSW 14 MPH
Barometer	29.62 in (1003.05 mb)
Dewpoint	19°F (-7°C)
Visibility	NA
Wind Chill	14°F (-10°C)
Last update	27 Dec 07:45 AM MST

More Information:

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

Extended Forecast for

20 Miles NNW West Yellowstone MT

Winter Weather Advisory December 27, 08:10am until December 27, 02:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory December 27, 08:10am until December 27, 02:00pm
NOW until 2:00pm Sat
Winter Weather Advisory
Today
High: 17 °F⇓
Snow and
Areas Blowing
Snow
Tonight
Low: -10 °F
Chance Snow
then Mostly
Clear
Sunday
High: 6 °F
Sunny
Sunday Night
Low: -2 °F
Mostly Clear
Monday
High: 15 °F
Sunny
Monday Night
Low: 7 °F
Partly Cloudy
Tuesday
High: 19 °F
Partly Sunny
Tuesday Night
Low: 10 °F
Partly Cloudy

Detailed Forecast

Today

Snow, mainly before 5pm. Areas of blowing snow before 2pm. Temperature falling to around 0 by 5pm. Wind chill values as low as -20. Breezy, with a west northwest wind 14 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 3 inches possible.

Tonight

A 30 percent chance of snow, mainly before 7pm. Mostly cloudy, then gradually becoming clear, with a low around -10. Wind chill values as low as -30. Northwest wind 9 to 14 mph, with gusts as high as 21 mph. New snow accumulation of less than a half inch possible.

Sunday

Sunny, with a high near 6. Wind chill values as low as -25. Southwest wind around 8 mph.

Sunday Night

Mostly clear, with a low around -2. Wind chill values as low as -15. South southwest wind 7 to 9 mph.

Monday

Sunny, with a high near 15. South southwest wind 8 to 10 mph.

Monday Night

Partly cloudy, with a low around 7. South southwest wind around 10 mph.

Tuesday

Partly sunny, with a high near 19. South southwest wind 8 to 10 mph.

Tuesday Night

Partly cloudy, with a low around 10. South wind around 10 mph.