Heavy Snow in the Northwest; Wintry Mix from the Great Lakes to Northeast

Two cold fronts will pass through the Northwest U.S. this week with the main impact being heavy mountain snow across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain to the Upper Midwest and Great Lakes today then the Northeast U.S. tonight into Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

Lat: 48.74111°NLon: 113.43306°WElev: 4550.0ft.

29°F

-2°C

Humidity	70%
Wind Speed	NA 15 MPH
Barometer	NA
Dewpoint	20°F (-7°C)
Visibility	NA
Wind Chill	18°F (-8°C)
Last update	06 Jan 04:10 PM MST

More Information:

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

Extended Forecast for

6 Miles W St Mary MT

Winter Weather Advisory January 6, 05:00pm until January 7, 11:00am

High Wind Warning January 6, 04:30pm until January 6, 11:00pm

Click here for hazard details and duration

Winter Weather Advisory

High Wind Warning

High Wind Warning January 6, 04:30pm until January 6, 11:00pm
NOW until 11:00pm Tue
High Wind Warning
This Afternoon
High: 22 °F
Heavy Snow
and Windy
Tonight
Low: 19 °F
Heavy Snow
and Windy
Wednesday
High: 22 °F⇓
Windy. Chance
Snow then
Slight Chance
Snow
Wednesday Night
Low: 15 °F
Chance Snow
and Windy
Thursday
High: 16 °F
Chance Snow
and Breezy
Thursday Night
Low: 11 °F
Chance Snow
Friday
High: 22 °F
Slight Chance
Snow
Friday Night
Low: 20 °F
Mostly Cloudy
and Breezy

Detailed Forecast

This Afternoon

A 50 percent chance of snow. The snow could be heavy at times. Mostly cloudy, with a high near 22. Wind chill values as low as zero. Windy, with a west southwest wind around 43 mph, with gusts as high as 75 mph. Total daytime snow accumulation of 3 to 7 inches possible.

Tonight

Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 19. Wind chill values as low as zero. Windy, with a west southwest wind 33 to 43 mph, with gusts as high as 70 mph. Chance of precipitation is 70%. New snow accumulation of 3 to 7 inches possible.

Wednesday

A 50 percent chance of snow, mainly before 11am. Partly sunny, with a temperature falling to around 16 by 5pm. Wind chill values as low as -5. Windy, with a west southwest wind 32 to 37 mph, with gusts as high as 65 mph. New snow accumulation of around an inch possible.

Wednesday Night

A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 15. Wind chill values as low as -5. Windy, with a west southwest wind 22 to 32 mph, with gusts as high as 55 mph. New snow accumulation of around an inch possible.

Thursday

A 50 percent chance of snow. Partly sunny, with a high near 16. Breezy, with a west southwest wind around 23 mph, with gusts as high as 41 mph. New snow accumulation of less than a half inch possible.

Thursday Night

A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 11. West southwest wind 18 to 21 mph, with gusts as high as 38 mph. Little or no snow accumulation expected.

Friday

A 20 percent chance of snow. Partly sunny, with a high near 22. West southwest wind 18 to 21 mph, with gusts as high as 37 mph.

Friday Night

Mostly cloudy, with a low around 20. Breezy, with a west southwest wind 23 to 26 mph, with gusts as high as 43 mph.

Saturday

Partly sunny, with a high near 27. Breezy.

Saturday Night

Mostly cloudy, with a low around 23. Breezy.

Sunday

Mostly sunny, with a high near 28. Breezy.

Sunday Night

Partly cloudy, with a low around 22. Breezy.