Heavy Rain in the Southern U.S.; Winter Storm to Impact the Northern Mid-Atlantic and Interior Northeast

A storm system stretching from the Tennessee Valley to the Gulf Coast will bring a variety of hazards to the Eastern U.S. through Tuesday. On the south side of the system, heavy rain and thunderstorms will persist across the Southern U.S. Further north, a wintry precipitation mix is expected from the Central Appalachians to the interior Northeast through Tuesday. Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from December 1, 08:00 PM MST until December 2, 05:00 PM MST

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

Lat: 46.52361°NLon: 112.80843°WElev: 4327.0ft.

24°F

-4°C

Humidity	90%
Wind Speed	ENE 0 MPH
Barometer	NA
Dewpoint	21°F (-6°C)
Visibility	NA
Last update	01 Dec 10:30 PM MST

More Information:

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

Extended Forecast for

12 Miles W Marysville MT

Winter Weather Advisory until December 2, 05:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory until December 2, 05:00pm
NOW until 5:00pm Tue
Winter Weather Advisory
Tonight
Low: 16 °F
Snow Likely
and Patchy
Blowing Snow
Tuesday
High: 20 °F
Snow and
Patchy
Blowing Snow
Tuesday Night
Low: 13 °F
Snow
Wednesday
High: 16 °F
Partly Sunny
Wednesday Night
Low: 13 °F
Patchy
Blowing Snow
and Breezy
Thursday
High: 23 °F
Chance Snow
and Patchy
Blowing Snow
Thursday Night
Low: 20 °F
Snow Likely
and Patchy
Blowing Snow
Friday
High: 26 °F
Snow and
Breezy

Detailed Forecast

Tonight

Snow likely. Patchy blowing snow. Mostly cloudy, with a low around 16. Wind chill values as low as -1. Breezy, with a west wind 26 to 29 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 2 to 4 inches possible.

Tuesday

Snow. Patchy blowing snow before 8am. High near 20. Breezy, with a west wind 17 to 22 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Tuesday Night

Snow. Low around 13. Northwest wind around 9 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Wednesday

Partly sunny, with a high near 16. Wind chill values as low as -5. West southwest wind 11 to 14 mph, with gusts as high as 22 mph.

Wednesday Night

Patchy blowing snow after 11pm. Mostly cloudy, with a low around 13. Breezy, with a west southwest wind 17 to 26 mph, with gusts as high as 30 mph.

Thursday

A 50 percent chance of snow, mainly after 11am. Patchy blowing snow before 11am. Mostly cloudy, with a high near 23. Breezy. New snow accumulation of less than one inch possible.

Thursday Night

Snow likely. Patchy blowing snow after 8pm. Cloudy, with a low around 20. Breezy. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Friday

Snow. Cloudy, with a high near 26. Breezy.

Friday Night

Snow. Cloudy, with a low around 22. Windy.

Saturday

Snow. Mostly cloudy, with a high near 26. Windy.

Saturday Night

A chance of snow. Mostly cloudy, with a low around 19. Breezy.

Sunday

A chance of snow. Mostly cloudy, with a high near 23. Breezy.

Sunday Night

A chance of snow. Mostly cloudy, with a low around 21. Windy.