Hazardous Spring Weather Shifts to the Eastern and Northwest U.S. Wednesday

Isolated to scattered severe thunderstorms are expected Wednesday from the ArkLaTex and Lower Mississippi Valley northeastward through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat from east Texas into Upstate New York. A moderate atmospheric river will bring heavy snow and high winds to the Northwest U.S. Read More >

Hazardous Weather Conditions

Current conditions at

ST. MARY (SRYM8)

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

25°F

-4°C

Humidity	54%
Wind Speed	SW 14 MPH
Barometer	NA
Dewpoint	11°F (-12°C)
Visibility	NA
Wind Chill	13°F (-11°C)
Last update	11 Mar 01:11 AM MDT

More Information:

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

Extended Forecast for

7 Miles S St Mary MT

Winter Weather Advisory March 11, 01:48am until March 11, 06:00pm

Winter Storm Warning March 11, 06:00pm until March 14, 06:00pm

High Wind Warning March 11, 06:00pm until March 12, 03:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Storm Warning

High Wind Warning

Winter Weather Advisory March 11, 01:48am until March 11, 06:00pm
NOW until 6:00pm Wed
Winter Weather Advisory
Overnight
Low: 6 °F
Chance Snow
and Windy
Wednesday
High: 23 °F
Snow Likely
and Windy
Wednesday Night
Low: 17 °F
Heavy Snow
and Blowing
Snow
Thursday
High: 23 °F
Snow and
Blowing Snow
Thursday Night
Low: 13 °F
Snow and
Blowing Snow
Friday
High: 17 °F
Heavy Snow
and Breezy
Friday Night
Low: 10 °F
Heavy Snow
and Breezy
Saturday
High: 13 °F
Heavy Snow
and Blustery

Detailed Forecast

Overnight

A 50 percent chance of snow, mainly after 5am. Mostly cloudy, with a low around 6. Wind chill values as low as -15. Windy, with a west southwest wind around 30 mph, with gusts as high as 38 mph. Total nighttime snow accumulation of 1 to 2 inches possible.

Wednesday

Snow likely, mainly after 3pm. Mostly cloudy, with a high near 23. Wind chill values as low as -15. Windy, with a west southwest wind 29 to 38 mph, with gusts as high as 50 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

Wednesday Night

Snow. The snow could be heavy at times. Widespread blowing snow. Low around 17. Wind chill values as low as -5. Strong and damaging winds, with a west southwest wind 37 to 47 mph increasing to 50 to 60 mph after midnight. Winds could gust as high as 80 mph. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.

Thursday

Snow. Widespread blowing snow. High near 23. Wind chill values as low as -10. Strong and damaging winds, with a west wind 55 to 60 mph decreasing to 49 to 54 mph in the afternoon. Winds could gust as high as 80 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Thursday Night

Snow. Widespread blowing snow, mainly before 3am. Low around 13. Very windy, with a west wind 35 to 45 mph decreasing to 25 to 35 mph after midnight. Winds could gust as high as 60 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Friday

Snow. The snow could be heavy at times. High near 17. Breezy, with a west southwest wind 22 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

Friday Night

Snow. The snow could be heavy at times. Low around 10. Breezy, with a southwest wind 17 to 25 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

Saturday

Snow. The snow could be heavy at times. Cloudy, with a high near 13. Blustery, with a north northwest wind 17 to 23 mph, with gusts as high as 31 mph.

Saturday Night

Snow likely, mainly before midnight. Mostly cloudy, with a low around 2.

Sunday

A chance of snow, mainly after noon. Mostly cloudy, with a high near 17. Breezy.

Sunday Night

Snow likely. Mostly cloudy, with a low around 14. Breezy.

Monday

A chance of snow. Cloudy, with a high near 32. Windy.

Monday Night

A chance of snow. Mostly cloudy, with a low around 31. Windy.

Tuesday

A chance of snow. Mostly cloudy, with a high near 36. Windy.