Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Current conditions at

ST. MARY (SRYM8)

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

3°F

-16°C

Humidity	81%
Wind Speed	SE 3 MPH
Barometer	NA
Dewpoint	-2°F (-19°C)
Visibility	NA
Last update	15 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

Overnight
Low: -4 °F
Partly Cloudy
Sunday
High: 13 °F
Mostly Sunny
then Mostly
Sunny and
Breezy
Sunday Night
Low: 11 °F
Chance Snow
and Blowing
Snow
Monday
High: 31 °F
Snow Likely
and Blowing
Snow
Monday Night
Low: 29 °F
Chance Snow
and Damaging
Winds
Tuesday
High: 33 °F
Chance Snow
and Damaging
Winds
Tuesday Night
Low: 32 °F
Chance Snow
and Very
Windy
Wednesday
High: 35 °F
Chance Snow
and Very
Windy
Wednesday Night
Low: 34 °F
Chance
Rain/Snow and
Windy

Detailed Forecast

Overnight

Partly cloudy, with a low around -4. Wind chill values as low as -25. West wind 11 to 15 mph.

Sunday

Mostly sunny, with a high near 13. Wind chill values as low as -25. Breezy, with a west southwest wind 17 to 22 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 32 mph.

Sunday Night

A 30 percent chance of snow after 2am. Widespread blowing snow, mainly after 4am. Increasing clouds, with a low around 11. Wind chill values as low as -10. Windy, with a west southwest wind 25 to 30 mph increasing to 33 to 38 mph after midnight. Winds could gust as high as 46 mph. New snow accumulation of less than a half inch possible.

Monday

Snow likely, mainly before noon. Widespread blowing snow before noon. Cloudy, with a high near 31. Wind chill values as low as -5. Very windy, with a west southwest wind 40 to 45 mph increasing to 45 to 50 mph in the afternoon. Winds could gust as high as 65 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Monday Night

A 50 percent chance of snow. Mostly cloudy, with a low around 29. Strong and damaging winds, with a west southwest wind 55 to 60 mph, with gusts as high as 80 mph. New snow accumulation of less than a half inch possible.

Tuesday

A 40 percent chance of snow. Mostly cloudy, with a high near 33. Strong and damaging winds, with a west southwest wind 50 to 60 mph, with gusts as high as 75 mph. Little or no snow accumulation expected.

Tuesday Night

A 50 percent chance of snow. Mostly cloudy, with a low around 32. Very windy, with a west southwest wind 44 to 46 mph, with gusts as high as 55 mph. New snow accumulation of less than a half inch possible.

Wednesday

A chance of snow. Mostly cloudy, with a high near 35. Very windy, with a west southwest wind 43 to 45 mph, with gusts as high as 55 mph.

Wednesday Night

A chance of rain and snow. Mostly cloudy, with a low around 34. Windy.

Thursday

A chance of rain and snow. Mostly cloudy, with a high near 38. Windy.

Thursday Night

A chance of rain and snow. Mostly cloudy, with a low around 35. Windy.

Friday

A chance of rain and snow. Partly sunny, with a high near 40. Breezy.

Friday Night

A chance of rain and snow. Mostly cloudy, with a low around 34. Breezy.