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

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

24°F

-4°C

Humidity	58%
Wind Speed	NA 10 MPH
Barometer	NA
Dewpoint	12°F (-11°C)
Visibility	NA
Wind Chill	14°F (-10°C)
Last update	11 Mar 02:10 AM MDT

More Information:

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

Extended Forecast for

St Mary MT

Winter Weather Advisory March 11, 02:59am 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, 02:59am until March 11, 06:00pm
NOW until 6:00pm Wed
Winter Weather Advisory
Overnight
Low: 17 °F
Chance Snow
Wednesday
High: 36 °F
Snow Likely
Wednesday Night
Low: 33 °F
Rain/Snow and
Patchy
Blowing Snow
Thursday
High: 38 °F
Snow and
Patchy
Blowing Snow
Thursday Night
Low: 22 °F
Snow and
Patchy
Blowing Snow
Friday
High: 32 °F
Heavy Snow
Friday Night
Low: 17 °F
Snow
Saturday
High: 26 °F
Snow

Detailed Forecast

Overnight

A 40 percent chance of snow after 5am. Partly cloudy, with a low around 17. Southwest wind around 11 mph, with gusts as high as 26 mph. Total nighttime snow accumulation of less than a half inch possible.

Wednesday

Snow likely, mainly after 5pm. Partly sunny, with a high near 36. West southwest wind 10 to 17 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Wednesday Night

Snow before 2am, then snow, possibly mixed with rain between 2am and 4am, then snow likely after 4am. Patchy blowing snow after 9pm. Steady temperature around 33. Windy, with a southwest wind 14 to 19 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 65 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Thursday

Snow. Patchy blowing snow. High near 38. Windy, with a west wind 23 to 30 mph, with gusts as high as 65 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Thursday Night

Snow. Patchy blowing snow before 9pm. Low around 22. West wind 8 to 18 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Friday

Snow. The snow could be heavy at times. High near 32. West wind 7 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

Friday Night

Snow. Low around 17. Southwest wind 5 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Saturday

Snow. Cloudy, with a high near 26. North wind 5 to 9 mph, with gusts as high as 20 mph.

Saturday Night

Snow likely, mainly before midnight. Mostly cloudy, with a low around 11.

Sunday

A slight chance of snow after noon. Partly sunny, with a high near 32.

Sunday Night

A chance of snow. Mostly cloudy, with a low around 23.

Monday

A chance of rain and snow. Mostly cloudy, with a high near 46.

Monday Night

A chance of rain and snow. Mostly cloudy, with a low around 39.