PNS25-72: Soliciting Comments through December 19, 2025 on the Discontinuation of the Max/Min Temperature and Precipitation Table Product (RTP) for all NWS Alaska Region, Eastern Region, and Western Region Offices.

Hazardous Weather Conditions

Winter Weather Advisory until December 6, 09:00 PM MST

Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

10°F

-12°C

Humidity	84%
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	6°F (-14°C)
Visibility	NA
Last update	06 Dec 08:10 AM MST

More Information:

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

Extended Forecast for

10 Miles SSW St Mary MT

Winter Weather Advisory December 6, 08:55am until December 6, 09:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory December 6, 08:55am until December 6, 09:00pm
NOW until 9:00pm Sat
Winter Weather Advisory
Today
High: 26 °F
Chance Snow
then Heavy
Snow
Tonight
Low: 22 °F
Heavy Snow
and Breezy
Sunday
High: 28 °F
Snow Likely
and Breezy
Sunday Night
Low: 27 °F
Snow Likely
and Breezy
Monday
High: 32 °F
Snow Likely
and Breezy
Monday Night
Low: 26 °F
Heavy Snow
and Windy
Tuesday
High: 29 °F
Snow Likely
and Windy
Tuesday Night
Low: 24 °F
Snow Likely

Detailed Forecast

Today

Snow, mainly after noon. The snow could be heavy at times. High near 26. West southwest wind 9 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 2 to 4 inches possible.

Tonight

A 40 percent chance of snow, mainly before 1am. The snow could be heavy at times. Mostly cloudy, with a low around 22. Breezy, with a west southwest wind 22 to 25 mph, with gusts as high as 43 mph. New snow accumulation of 3 to 7 inches possible.

Sunday

Snow likely, mainly after 11am. Mostly cloudy, with a high near 28. Breezy, with a west southwest wind 20 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

Sunday Night

Snow likely, mainly before 11pm. Mostly cloudy, with a low around 27. Breezy, with a west southwest wind 22 to 29 mph, with gusts as high as 48 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

Monday

Snow likely, mainly after 11am. Mostly cloudy, with a high near 32. Breezy, with a west southwest wind 23 to 29 mph, with gusts as high as 48 mph. Chance of precipitation is 70%. New snow accumulation of 3 to 5 inches possible.

Monday Night

Snow. The snow could be heavy at times. Low around 26. Windy, with a west southwest wind 25 to 33 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

Tuesday

Snow likely, mainly before 11am. Mostly cloudy, with a high near 29. Windy, with a west southwest wind 26 to 31 mph decreasing to 20 to 25 mph in the morning. Winds could gust as high as 55 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

Tuesday Night

Snow likely, mainly after 11pm. Mostly cloudy, with a low around 24. West southwest wind around 18 mph, with gusts as high as 32 mph.

Wednesday

Snow. Mostly cloudy, with a high near 28.

Wednesday Night

Snow. The snow could be heavy at times. Mostly cloudy, with a low around 12.

Thursday

Snow likely. Mostly cloudy, with a high near 16.

Thursday Night

Snow likely. Mostly cloudy, with a low around 11.

Friday

Snow likely. Mostly cloudy, with a high near 26.