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 in effect from December 10, 12:00 AM MST until December 10, 11:00 AM MST

Current conditions at

ST. MARY (SRYM8)

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

39°F

4°C

Humidity	45%
Wind Speed	SW 11 MPH
Barometer	NA
Dewpoint	19°F (-7°C)
Visibility	NA
Wind Chill	32°F (0°C)
Last update	09 Dec 12:11 PM MST

More Information:

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

Extended Forecast for

6 Miles SSE St Mary MT

Winter Weather Advisory December 10, 12:00am until December 10, 11:00am

Click here for hazard details and duration

Winter Weather Advisory

This Afternoon
High: 32 °F
Mostly Cloudy
and Breezy
Tonight
Low: 24 °F
Breezy.
Chance Snow
then Snow
Wednesday
High: 35 °F
Snow and
Windy
Wednesday Night
Low: 23 °F
Heavy Snow
and Breezy
Thursday
High: 31 °F
Heavy Snow
and Breezy
Thursday Night
Low: 1 °F
Snow Likely
Friday
High: 18 °F
Snow
Friday Night
Low: 6 °F
Heavy Snow
Saturday
High: 25 °F
Chance Snow

Detailed Forecast

This Afternoon

Mostly cloudy, with a high near 32. Breezy, with a west wind 26 to 29 mph, with gusts as high as 45 mph.

Tonight

Snow, mainly after 11pm. Low around 24. Breezy, with a west southwest wind 22 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Wednesday

Snow. High near 35. Windy, with a west southwest wind 36 to 43 mph, with gusts as high as 65 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Wednesday Night

Snow. The snow could be heavy at times. Low around 23. Breezy, with a west southwest wind 25 to 29 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.

Thursday

Snow. The snow could be heavy at times. High near 31. Breezy, with a northwest wind 20 to 25 mph decreasing to 14 to 19 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

Thursday Night

Snow likely. Cloudy, with a low around 1. North northwest wind around 11 mph becoming south after midnight. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

Friday

Snow. High near 18. West southwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.

Friday Night

Snow likely, mainly before 11pm. The snow could be heavy at times. Mostly cloudy, with a low around 6. West southwest wind 16 to 20 mph, with gusts as high as 30 mph.

Saturday

A chance of snow. Partly sunny, with a high near 25.

Saturday Night

A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 21. Breezy.

Sunday

A chance of snow. Partly sunny, with a high near 29. Breezy.

Sunday Night

A chance of snow. Mostly cloudy, with a low around 28. Breezy.

Monday

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