Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

A rapidly-intensifying storm is expected to bring heavy snow, blizzard conditions, and icing from the Upper Midwest through the Great Lakes and Northeast. Scattered severe thunderstorms may produce severe/damaging wind gusts and a couple of tornadoes across parts of the Midwest and lower Ohio Valley through the evening. Arctic air will expand across the central and southern U.S.. Read More >

Current conditions at

ST. MARY (SRYM8)

Lat: 48.74108°NLon: 113.43289°WElev: 4557.0ft.

20°F

-7°C

Humidity	57%
Wind Speed	SW 20 MPH
Barometer	NA
Dewpoint	7°F (-14°C)
Visibility	NA
Wind Chill	4°F (-16°C)
Last update	28 Dec 01:11 PM MST

More Information:

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

Extended Forecast for

7 Miles S St Mary MT

This Afternoon
High: 12 °F
Patchy
Blowing Snow
and Windy
Tonight
Low: 10 °F
Partly Cloudy
and Very
Windy
Monday
High: 16 °F
Partly Sunny
and Windy
Monday Night
Low: 16 °F
Mostly Cloudy
and Windy
Tuesday
High: 23 °F
Partly Sunny
and Breezy
Tuesday Night
Low: 21 °F
Mostly Cloudy
and Windy
Wednesday
High: 26 °F
Partly Sunny
and Windy
Wednesday Night
Low: 21 °F
Mostly Cloudy
and Breezy
New Year's Day
High: 28 °F
Partly Sunny
and Breezy

Detailed Forecast

This Afternoon

Patchy blowing snow before 3pm. Mostly sunny, with a high near 12. Wind chill values as low as -10. Windy, with a west southwest wind 28 to 30 mph, with gusts as high as 41 mph.

Tonight

Partly cloudy, with a low around 10. Wind chill values as low as -15. Very windy, with a west southwest wind 34 to 39 mph increasing to 42 to 47 mph. Winds could gust as high as 75 mph.

Monday

Partly sunny, with a high near 16. Wind chill values as low as -15. Windy, with a west southwest wind 37 to 44 mph, with gusts as high as 70 mph.

Monday Night

Mostly cloudy, with a low around 16. Wind chill values as low as -5. Windy, with a west southwest wind 33 to 41 mph, with gusts as high as 65 mph.

Tuesday

Partly sunny, with a high near 23. Breezy, with a west southwest wind 25 to 29 mph, with gusts as high as 33 mph.

Tuesday Night

Mostly cloudy, with a low around 21. Windy, with a west southwest wind 31 to 33 mph, with gusts as high as 37 mph.

Wednesday

Partly sunny, with a high near 26. Windy, with a west southwest wind 23 to 31 mph, with gusts as high as 36 mph.

Wednesday Night

Mostly cloudy, with a low around 21. Breezy, with a west southwest wind 23 to 25 mph, with gusts as high as 30 mph.