Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

14°F

-10°C

Humidity	53%
Wind Speed	WNW 0 MPH
Barometer	NA
Dewpoint	0°F (-18°C)
Visibility	NA
Last update	23 Jan 05:15 PM MST

More Information:

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

Extended Forecast for

12 Miles W Marysville MT

Tonight
Low: -1 °F
Increasing
Clouds
Saturday
High: 7 °F
Chance Snow
Saturday Night
Low: 0 °F
Snow Likely
Sunday
High: 11 °F
Decreasing
Clouds
Sunday Night
Low: 9 °F
Mostly Clear
and Breezy
Monday
High: 22 °F
Mostly Sunny
and Breezy
Monday Night
Low: 16 °F
Mostly Cloudy
and Breezy
Tuesday
High: 24 °F
Partly Sunny
and Breezy
then Mostly
Sunny
Tuesday Night
Low: 16 °F
Partly Cloudy

Detailed Forecast

Tonight

Increasing clouds, with a low around -1. Wind chill values as low as -21. West wind 9 to 17 mph.

Saturday

A 30 percent chance of snow, mainly between 11am and 3pm. Mostly cloudy and cold, with a high near 7. Wind chill values as low as -18. West northwest wind around 17 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.

Saturday Night

Snow likely, mainly before 11pm. Mostly cloudy, with a low around 0. Wind chill values as low as -19. North northwest wind around 17 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Sunday

Mostly cloudy, then gradually becoming sunny, with a high near 11. Wind chill values as low as -19. Northwest wind 14 to 17 mph becoming west southwest in the morning. Winds could gust as high as 24 mph.

Sunday Night

Mostly clear, with a low around 9. Breezy, with a west southwest wind 21 to 25 mph.

Monday

Mostly sunny, with a high near 22. Breezy.

Monday Night

Mostly cloudy, with a low around 16. Breezy.

Tuesday

Mostly sunny, with a high near 24. Breezy.

Tuesday Night

Partly cloudy, with a low around 16.

Wednesday

Partly sunny, with a high near 27.