Tracking Late Season Winter Storms; Unusual Early-Season Heat Wave in the Southwest

Heavy snow and high winds continue in the Great Lakes and Northeast. A moderate atmospheric river will continue to bring heavy precipitation to the Pacific Northwest and northern Rockies. A major winter storm will develop across the northern High Plains tonight into Saturday and rapidly strengthen as it moves into the Great Lakes on Sunday. Above-average temperatures expected in the Southwest. Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from March 13, 01:38 PM MDT until March 15, 12:00 AM MDT

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

unknown precip

32°F

0°C

Humidity	NA
Wind Speed	N 0 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

12 Miles W Marysville MT

Winter Weather Advisory until March 15, 12:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory until March 15, 12:00am
NOW until 12:00am Sun
Winter Weather Advisory
Tonight
Low: 27 °F
Heavy Snow
and Breezy
Saturday
High: 26 °F⇓
Heavy Snow
and Windy
Saturday Night
Low: 4 °F
Heavy Snow
and Windy
then Snow
Likely
Sunday
High: 17 °F
Chance Snow
and Breezy
Sunday Night
Low: 16 °F
Snow Likely
and Breezy
Monday
High: 34 °F
Snow and
Windy
Monday Night
Low: 33 °F
Rain/Snow
Likely and
Windy
Tuesday
High: 38 °F
Chance
Rain/Snow and
Windy

Detailed Forecast

Tonight

Snow. The snow could be heavy at times. Steady temperature around 27. Breezy, with a west wind around 23 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 11 to 17 inches possible.

Saturday

Snow. The snow could be heavy at times. Temperature falling to around 13 by 5pm. Wind chill values as low as -9. Windy, with a west wind 23 to 28 mph increasing to 29 to 34 mph in the afternoon. Winds could gust as high as 47 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

Saturday Night

Snow. The snow could be heavy at times. Low around 4. Wind chill values as low as -18. Windy, with a northwest wind 26 to 31 mph becoming southeast 15 to 20 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Sunday

A 30 percent chance of snow. Partly sunny, with a high near 17. Wind chill values as low as -13. Breezy, with a west wind 14 to 22 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.

Sunday Night

Snow likely, mainly after midnight. Mostly cloudy, with a low around 16. Breezy, with a west southwest wind 20 to 24 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Monday

Snow. High near 34. Windy. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Monday Night

Rain and snow likely. Cloudy, with a low around 33. Windy. Chance of precipitation is 70%. Little or no snow accumulation expected.

Tuesday

A chance of rain and snow. Partly sunny, with a high near 38. Windy.

Tuesday Night

A chance of rain and snow before midnight, then a chance of rain between midnight and 3am, then a chance of rain and snow after 3am. Mostly cloudy, with a low around 34. Windy.

Wednesday

A chance of rain and snow. Mostly sunny, with a high near 43. Windy.

Wednesday Night

Mostly cloudy, with a low around 34. Windy.

Thursday

A slight chance of rain and snow. Snow level 8300 feet rising to 8900 feet in the afternoon. Mostly sunny, with a high near 46. Breezy.

Thursday Night

A slight chance of rain and snow. Snow level 8800 feet. Partly cloudy, with a low around 36. Windy.

Friday

A chance of rain and snow. Snow level 8500 feet. Partly sunny, with a high near 49. Breezy.