Lake Effect Snow in the Lower Great Lakes; Unsettled Pattern in the Pacific Northwest

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. Lake Effect Snow Warnings have been issued. In the Western U.S., rain and higher elevation snow will continue over the Great Basin through Friday. A front will move over the Pacific Northwest this afternoon and produce light rain and higher elevation snow over the Cascades through Saturday. Read More >

Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

40°F

4°C

Humidity	20%
Wind Speed	NA 13 MPH
Barometer	NA
Dewpoint	2°F (-17°C)
Visibility	NA
Wind Chill	32°F (0°C)
Last update	12 Feb 12:10 PM MST

More Information:

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

Extended Forecast for

St Mary MT

This Afternoon
High: 41 °F
Mostly Cloudy
Tonight
Low: 32 °F
Mostly Cloudy
Friday
High: 40 °F
Mostly Cloudy
Friday Night
Low: 32 °F
Slight Chance
Snow
Saturday
High: 41 °F
Chance Snow
Saturday Night
Low: 28 °F
Chance Snow
Sunday
High: 40 °F
Chance Snow
Sunday Night
Low: 28 °F
Slight Chance
Snow
Washington's Birthday
High: 39 °F
Chance Snow

Detailed Forecast

This Afternoon

Mostly cloudy, with a high near 41. Southwest wind around 15 mph, with gusts as high as 31 mph.

Tonight

Mostly cloudy, with a low around 32. Southwest wind 13 to 15 mph, with gusts as high as 32 mph.

Friday

Mostly cloudy, with a high near 40. Southwest wind 10 to 13 mph, with gusts as high as 25 mph.

Friday Night

A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 32. Southwest wind around 10 mph, with gusts as high as 23 mph.

Saturday

A 40 percent chance of snow. Partly sunny, with a high near 41. West southwest wind 9 to 14 mph, with gusts as high as 28 mph. Little or no snow accumulation expected.

Saturday Night

A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 28. West southwest wind 5 to 11 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.

Sunday

A 50 percent chance of snow. Partly sunny, with a high near 40. Light west southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 23 mph. New snow accumulation of less than a half inch possible.

Sunday Night

A slight chance of snow. Mostly cloudy, with a low around 28. Southwest wind 8 to 10 mph, with gusts as high as 23 mph.

Washington's Birthday

A chance of snow, mainly after 11am. Partly sunny, with a high near 39.

Monday Night

A chance of snow. Mostly cloudy, with a low around 21.

Tuesday

Snow. Mostly cloudy, with a high near 30.

Tuesday Night

A chance of snow. Mostly cloudy, with a low around 14.

Wednesday

A chance of snow. Mostly cloudy, with a high near 30.