Critical Fire Weather and Severe Thunderstorm Threats This Week

Gusty winds and low relative humidity will contribute to critical fire weather Monday over parts of the central and southern High Plains. Scattered to widespread severe thunderstorms may bring damaging winds, large hail, and tornadoes Monday through Thursday over the lower Mississippi River Valley and southern Plains into the Midwest and Ohio Valley. Read More >

Hazardous Weather Conditions

Winter Weather Advisory until March 9, 12:00 PM MDT

Current conditions at

ST. MARY (SRYM8)

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

21°F

-6°C

Humidity	86%
Wind Speed	N 5 MPH
Barometer	NA
Dewpoint	17°F (-8°C)
Visibility	NA
Wind Chill	14°F (-10°C)
Last update	09 Mar 05:11 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 9, 05:54am until March 9, 12:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory March 9, 05:54am until March 9, 12:00pm
NOW until 12:00pm Mon
Winter Weather Advisory
Overnight
Low: 13 °F
Snow and
Windy
Monday
High: 15 °F
Snow and
Windy
Monday Night
Low: 10 °F
Snow Likely
and Windy
Tuesday
High: 15 °F
Snow Likely
and Windy
Tuesday Night
Low: 12 °F
Chance Snow
and Windy
Wednesday
High: 25 °F
Windy. Chance
Snow then
Snow
Wednesday Night
Low: 21 °F
Heavy Snow
and Very
Windy
Thursday
High: 26 °F
Snow and Very
Windy

Detailed Forecast

Overnight

Snow. Low around 13. Wind chill values as low as -5. Windy, with a west southwest wind around 30 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 3 to 5 inches possible.

Monday

Snow. High near 15. Wind chill values as low as -10. Windy, with a west wind 30 to 39 mph, with gusts as high as 60 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

Monday Night

Snow likely, mainly after 5am. Mostly cloudy, with a low around 10. Wind chill values as low as -15. Windy, with a west southwest wind 31 to 36 mph decreasing to 23 to 28 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

Tuesday

Snow likely, mainly after 10am. Mostly cloudy, with a high near 15. Wind chill values as low as -10. Windy, with a west wind 23 to 28 mph increasing to 31 to 36 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Tuesday Night

A 40 percent chance of snow. Mostly cloudy, with a low around 12. Windy, with a west southwest wind 29 to 33 mph, with gusts as high as 47 mph. New snow accumulation of less than a half inch possible.

Wednesday

Snow, mainly after noon. High near 25. Windy, with a west southwest wind 31 to 37 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Wednesday Night

Snow. The snow could be heavy at times. Low around 21. Very windy, with a west southwest wind 38 to 48 mph, with gusts as high as 65 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

Thursday

Snow. Cloudy, with a high near 26. Very windy, with a west southwest wind 45 to 50 mph decreasing to 41 to 46 mph in the afternoon. Winds could gust as high as 65 mph.

Thursday Night

Snow. Cloudy, with a low around 18. Windy.

Friday

Snow. The snow could be heavy at times. Cloudy, with a high near 22. Breezy.

Friday Night

Snow. The snow could be heavy at times. Cloudy, with a low around 12. Breezy.

Saturday

Snow. The snow could be heavy at times. Cloudy, with a high near 17.

Saturday Night

Snow likely. Mostly cloudy, with a low around 3.

Sunday

A chance of snow. Mostly cloudy, with a high near 16.