Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. 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	45%
Wind Speed	NA 13 MPH
Barometer	NA
Dewpoint	20°F (-7°C)
Visibility	NA
Wind Chill	32°F (0°C)
Last update	30 Dec 01:10 PM MST

More Information:

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

Extended Forecast for

5 Miles WSW St Mary MT

This Afternoon
High: 29 °F
Patchy
Blowing Snow
and Breezy
Tonight
Low: 26 °F
Patchy
Blowing Snow
and Breezy
Wednesday
High: 32 °F
Breezy.
Patchy
Blowing Snow
then Partly
Sunny
Wednesday Night
Low: 24 °F
Mostly Cloudy
and Breezy
then Partly
Cloudy
New Year's Day
High: 30 °F
Mostly Sunny
Thursday Night
Low: 23 °F
Mostly Cloudy
Friday
High: 31 °F
Slight Chance
Snow and
Breezy
Friday Night
Low: 29 °F
Slight Chance
Snow and
Breezy
Saturday
High: 32 °F
Chance Snow
and Breezy

Detailed Forecast

This Afternoon

Patchy blowing snow. Mostly sunny, with a high near 29. Breezy, with a west wind 25 to 28 mph, with gusts as high as 43 mph.

Tonight

Patchy blowing snow. Mostly cloudy, with a low around 26. Breezy, with a west wind 22 to 26 mph, with gusts as high as 43 mph.

Wednesday

Patchy blowing snow before 11am. Partly sunny, with a high near 32. Breezy, with a west wind 21 to 23 mph, with gusts as high as 37 mph.

Wednesday Night

Mostly cloudy, then gradually becoming mostly clear, with a low around 24. Breezy, with a west southwest wind 18 to 23 mph, with gusts as high as 37 mph.

New Year's Day

Mostly sunny, with a high near 30. West southwest wind 14 to 16 mph, with gusts as high as 26 mph.

Thursday Night

Mostly cloudy, with a low around 23. West southwest wind around 18 mph, with gusts as high as 32 mph.

Friday

A 20 percent chance of snow. Mostly cloudy, with a high near 31. Breezy, with a west southwest wind 20 to 22 mph, with gusts as high as 37 mph.

Friday Night

A slight chance of snow. Mostly cloudy, with a low around 29. Breezy, with a west southwest wind 18 to 22 mph, with gusts as high as 38 mph.

Saturday

A chance of snow. Partly sunny, with a high near 32. Breezy.

Saturday Night

A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 25. Breezy.