Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

37°F

3°C

Humidity	71%
Wind Speed	ENE 2 MPH
Barometer	NA
Dewpoint	28°F (-2°C)
Visibility	NA
Last update	07 Dec 03:00 PM MST

More Information:

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

Extended Forecast for

12 Miles W Marysville MT

This Afternoon
High: 27 °F
Heavy Snow
and Blowing
Snow
Tonight
Low: 24 °F
Heavy Snow
and Blowing
Snow
Monday
High: 32 °F
Snow Likely
and Blowing
Snow
Monday Night
Low: 25 °F
Snow and
Blowing Snow
Tuesday
High: 34 °F
Snow and
Blowing Snow
Tuesday Night
Low: 24 °F
Heavy Snow
and Patchy
Blowing Snow
Wednesday
High: 29 °F
Heavy Snow
and Areas
Blowing Snow
Wednesday Night
Low: 12 °F
Snow and
Patchy
Blowing Snow
Thursday
High: 15 °F
Snow and
Areas Blowing
Snow

Detailed Forecast

This Afternoon

Snow likely, mainly after 5pm. The snow could be heavy at times. Widespread blowing snow, mainly after 4pm. Mostly cloudy, with a high near 27. Breezy, with a west southwest wind around 22 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 3 inches possible.

Tonight

Snow likely, mainly after 5am. The snow could be heavy at times. Widespread blowing snow before 11pm, then widespread blowing snow after midnight. Cloudy, with a low around 24. Windy, with a west wind 30 to 35 mph increasing to 39 to 44 mph after midnight. Winds could gust as high as 60 mph. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.

Monday

Snow likely before 7am, then snow likely after 8am. Widespread blowing snow, mainly between 8am and 1pm. Cloudy, with a high near 32. Windy, with a west southwest wind 36 to 41 mph decreasing to 30 to 35 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Monday Night

Snow. Widespread blowing snow, mainly after 8pm. Low around 25. Windy, with a west southwest wind 30 to 35 mph increasing to 42 to 47 mph in the evening. Winds could gust as high as 65 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Tuesday

Snow, mainly before 11am. Widespread blowing snow, mainly before 11am. High near 34. Windy, with a west wind 41 to 46 mph decreasing to 32 to 37 mph in the afternoon. Winds could gust as high as 65 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Tuesday Night

Snow. The snow could be heavy at times. Patchy blowing snow. Low around 24. Breezy. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Wednesday

Snow. The snow could be heavy at times. Areas of blowing snow. High near 29. Breezy. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Wednesday Night

Snow. Patchy blowing snow. Mostly cloudy, with a low around 12. Breezy.

Thursday

Snow. Areas of blowing snow before 11am. Mostly cloudy, with a high near 15. Breezy.

Thursday Night

Snow likely. Cloudy, with a low around 10.

Friday

A chance of snow. Mostly cloudy, with a high near 25.

Friday Night

A chance of snow. Patchy blowing snow. Mostly cloudy, with a low around 22. Breezy.

Saturday

A chance of snow. Patchy blowing snow. Partly sunny, with a high near 27. Breezy.