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.

7°F

-14°C

Humidity	79%
Wind Speed	NE 1 MPH
Barometer	NA
Dewpoint	2°F (-17°C)
Visibility	NA
Last update	14 Mar 08:11 PM MDT

More Information:

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

Extended Forecast for

7 Miles S St Mary MT

Tonight
Low: -7 °F
Snow Likely
then Chance
Snow
Sunday
High: 14 °F
Mostly Sunny
then Mostly
Sunny and
Breezy
Sunday Night
Low: 11 °F
Slight Chance
Snow and
Breezy then
Chance Snow
and Windy
Monday
High: 31 °F
Chance Snow
and Very
Windy
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: 36 °F
Chance Snow
and Very
Windy
Wednesday Night
Low: 34 °F
Chance Snow
and Very
Windy then
Chance
Rain/Snow and
Windy

Detailed Forecast

Tonight

Snow likely, mainly between 10pm and 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around -7. Wind chill values as low as -25. North wind 13 to 17 mph becoming southwest in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

Sunday

Mostly sunny, with a high near 14. Wind chill values as low as -30. Breezy, with a west wind 16 to 25 mph, with gusts as high as 33 mph.

Sunday Night

A 50 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 11. Wind chill values as low as -10. Windy, with a west southwest wind 25 to 30 mph increasing to 34 to 39 mph after midnight. Winds could gust as high as 48 mph. New snow accumulation of less than one inch possible.

Monday

A 50 percent chance of snow. Mostly cloudy, with a high near 31. Wind chill values as low as -5. Very windy, with a west southwest wind 45 to 55 mph, with gusts as high as 70 mph. New snow accumulation of less than a half 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 75 mph. New snow accumulation of less than a half inch possible.

Tuesday

A 30 percent chance of snow. Partly sunny, with a high near 33. Strong and damaging winds, with a west southwest wind 55 to 60 mph, with gusts as high as 75 mph. Little or no snow accumulation expected.

Tuesday Night

A 40 percent chance of snow. Mostly cloudy, with a low around 32. Very windy, with a west southwest wind 45 to 50 mph decreasing to 41 to 46 mph after midnight. Winds could gust as high as 65 mph. New snow accumulation of less than a half inch possible.

Wednesday

A chance of snow. Mostly cloudy, with a high near 36. Very windy, with a west southwest wind around 45 mph, with gusts as high as 60 mph.

Wednesday Night

A chance of snow before midnight, then a chance of rain and snow. Mostly cloudy, with a low around 34. Very 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 36. Windy.

Friday

A chance of rain and snow. Mostly cloudy, with a high near 40. Windy.

Friday Night

A chance of rain and snow. Mostly cloudy, with a low around 36. Windy.