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

LOWER TWIN (LWTM8)

Lat: 45.50871°NLon: 111.92288°WElev: 7900.0ft.

14°F

-10°C

Humidity	NA
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	NA

More Information:

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

Extended Forecast for

10 Miles WNW Mcallister MT

Winter Weather Advisory December 27, 05:29pm until December 27, 06:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory December 27, 05:29pm until December 27, 06:00pm
NOW until 6:00pm Sat
Winter Weather Advisory
This Afternoon
High: 3 °F
Slight Chance
Snow and
Patchy
Blowing Snow
Tonight
Low: 0 °F
Slight Chance
Snow and
Patchy
Blowing Snow
then Mostly
Clear
Sunday
High: 13 °F
Sunny
Sunday Night
Low: 8 °F
Mostly Clear
Monday
High: 22 °F
Mostly Sunny
Monday Night
Low: 15 °F
Partly Cloudy
Tuesday
High: 26 °F
Partly Sunny
Tuesday Night
Low: 19 °F
Partly Cloudy

Detailed Forecast

This Afternoon

A 20 percent chance of snow. Patchy blowing snow. Partly sunny and cold, with a steady temperature around 3. Wind chill values as low as -20. West northwest wind around 20 mph, with gusts as high as 32 mph.

Tonight

A 20 percent chance of snow before 8pm. Patchy blowing snow before 8pm. Partly cloudy, with a low around 0. Wind chill values as low as -20. Northwest wind 11 to 17 mph, with gusts as high as 29 mph.

Sunday

Sunny, with a high near 13. Wind chill values as low as -15. West northwest wind around 11 mph, with gusts as high as 20 mph.

Sunday Night

Mostly clear, with a low around 8. Wind chill values as low as -5. West southwest wind 11 to 14 mph, with gusts as high as 23 mph.

Monday

Mostly sunny, with a high near 22. Southwest wind 13 to 15 mph, with gusts as high as 23 mph.

Monday Night

Partly cloudy, with a low around 15. West southwest wind 13 to 15 mph, with gusts as high as 25 mph.

Tuesday

Partly sunny, with a high near 26. West southwest wind 10 to 14 mph, with gusts as high as 21 mph.

Tuesday Night

Partly cloudy, with a low around 19. West southwest wind 11 to 15 mph, with gusts as high as 24 mph.