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 >

Hazardous Weather Conditions

High Wind Watch in effect from December 30, 08:00 PM MST until December 31, 08:00 AM MST

Current conditions at

ST. MARY (SRYM8)

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

35°F

2°C

Humidity	64%
Wind Speed	S 11 MPH
Barometer	NA
Dewpoint	24°F (-4°C)
Visibility	NA
Wind Chill	27°F (-3°C)
Last update	30 Dec 06:11 AM MST

More Information:

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

Extended Forecast for

7 Miles S St Mary MT

High Wind Watch December 30, 08:00pm until December 31, 08:00am

Click here for hazard details and duration

High Wind Watch

Today
High: 30 °F
Windy. Patchy
Blowing Snow
then Mostly
Cloudy
Tonight
Low: 26 °F
Mostly Cloudy
and Very
Windy
Wednesday
High: 31 °F
Partly Sunny
and Windy
Wednesday Night
Low: 25 °F
Partly Cloudy
and Windy
New Year's Day
High: 28 °F
Partly Sunny
and Windy
then Mostly
Cloudy
Thursday Night
Low: 23 °F
Mostly Cloudy
and Breezy
Friday
High: 29 °F
Slight Chance
Snow and
Breezy
Friday Night
Low: 26 °F
Chance Snow
and Breezy
Saturday
High: 29 °F
Chance Snow
and Windy

Detailed Forecast

Today

Patchy blowing snow before 11am. Sunny, then becoming mostly cloudy during the afternoon, with a high near 30. Windy, with a west southwest wind 32 to 37 mph increasing to 39 to 44 mph in the afternoon. Winds could gust as high as 70 mph.

Tonight

Mostly cloudy, with a low around 26. Very windy, with a west southwest wind 38 to 47 mph, with gusts as high as 75 mph.

Wednesday

Partly sunny, with a high near 31. Windy, with a west southwest wind 32 to 37 mph, with gusts as high as 60 mph.

Wednesday Night

Partly cloudy, with a low around 25. Windy, with a west southwest wind 32 to 38 mph, with gusts as high as 60 mph.

New Year's Day

Partly sunny, with a high near 28. Windy, with a west southwest wind 25 to 30 mph decreasing to 17 to 22 mph in the morning. Winds could gust as high as 41 mph.

Thursday Night

Mostly cloudy, with a low around 23. Breezy, with a west southwest wind 22 to 28 mph, with gusts as high as 32 mph.

Friday

A 20 percent chance of snow. Mostly cloudy, with a high near 29. Breezy, with a west southwest wind 26 to 29 mph, with gusts as high as 36 mph.

Friday Night

A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 26. Breezy, with a west southwest wind around 29 mph, with gusts as high as 37 mph.

Saturday

A chance of snow. Mostly cloudy, with a high near 29. Windy.

Saturday Night

A chance of snow. Mostly cloudy, with a low around 20. Windy.

Sunday

A slight chance of snow. Mostly cloudy, with a high near 23. Windy.

Sunday Night

Mostly cloudy, with a low around 20. Windy.

Monday

A slight chance of snow. Mostly cloudy, with a high near 23. Windy.