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, 06:00 PM MST

Current conditions at

YELLOW MULE (YLWM8)

Lat: 45.1661°NLon: 111.35954°WElev: 9200.0ft.

9°F

-13°C

Humidity	80%
Wind Speed	WSW 14 MPH
Barometer	NA
Dewpoint	4°F (-16°C)
Visibility	NA
Wind Chill	-7°F (-22°C)
Last update	27 Dec 12:04 PM MST

More Information:

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

Extended Forecast for

11 Miles SSW Big Sky MT

Winter Weather Advisory December 27, 12:52pm until December 27, 06:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory December 27, 12:52pm until December 27, 06:00pm
NOW until 6:00pm Sat
Winter Weather Advisory
This Afternoon
High: 23 °F⇓
Snow Likely
Tonight
Low: -5 °F
Chance Snow
then Mostly
Clear
Sunday
High: 11 °F
Sunny
Sunday Night
Low: 1 °F
Mostly Clear
Monday
High: 24 °F
Sunny
Monday Night
Low: 12 °F
Partly Cloudy
Tuesday
High: 28 °F
Partly Sunny
Tuesday Night
Low: 15 °F
Partly Cloudy

Detailed Forecast

This Afternoon

Snow likely. Mostly cloudy, with a temperature falling to around 6 by 5pm. Wind chill values as low as -10. West wind 14 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 2 to 4 inches possible.

Tonight

A 30 percent chance of snow, mainly before 10pm. Mostly cloudy, then gradually becoming clear, with a low around -5. Wind chill values as low as -20. West northwest wind 8 to 13 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.

Sunday

Sunny, with a high near 11. Wind chill values as low as -20. West wind around 9 mph.

Sunday Night

Mostly clear, with a low around 1. Wind chill values as low as -10. South southwest wind 6 to 8 mph.

Monday

Sunny, with a high near 24. South wind around 8 mph.

Monday Night

Partly cloudy, with a low around 12. South southwest wind around 7 mph.

Tuesday

Partly sunny, with a high near 28. South southwest wind 6 to 8 mph.

Tuesday Night

Partly cloudy, with a low around 15. South wind around 8 mph.