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 2, 11:00 PM MST

Current conditions at

ST. MARY (SRYM8)

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

35°F

2°C

Humidity	58%
Wind Speed	SSW 5 MPH
Barometer	NA
Dewpoint	22°F (-6°C)
Visibility	NA
Wind Chill	31°F (-1°C)
Last update	02 Dec 02:11 PM MST

More Information:

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

Extended Forecast for

St Mary MT

Winter Weather Advisory December 2, 03:22pm until December 2, 11:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory December 2, 03:22pm until December 2, 11:00pm
NOW until 11:00pm Tue
Winter Weather Advisory
This Afternoon
High: 34 °F
Chance Snow
Tonight
Low: 18 °F
Chance Snow
and Patchy
Fog then
Patchy Fog
Wednesday
High: 30 °F
Mostly Sunny
Wednesday Night
Low: 23 °F
Mostly Cloudy
Thursday
High: 33 °F
Chance Snow
Thursday Night
Low: 24 °F
Slight Chance
Snow
Friday
High: 35 °F
Snow Likely
Friday Night
Low: 25 °F
Snow Likely

Detailed Forecast

This Afternoon

A 40 percent chance of snow, mainly before 4pm. Mostly cloudy, with a high near 34. North wind around 6 mph. Total daytime snow accumulation of around an inch possible.

Tonight

A 30 percent chance of snow, mainly before 8pm. Patchy fog between 8pm and 2am. Otherwise, mostly cloudy, with a low around 18. Calm wind becoming south southwest around 6 mph after midnight. New snow accumulation of less than a half inch possible.

Wednesday

Mostly sunny, with a high near 30. Southwest wind 8 to 16 mph, with gusts as high as 32 mph.

Wednesday Night

Mostly cloudy, with a low around 23. West southwest wind 15 to 18 mph, with gusts as high as 37 mph.

Thursday

A 40 percent chance of snow. Partly sunny, with a high near 33. West southwest wind around 16 mph, with gusts as high as 33 mph. New snow accumulation of less than a half inch possible.

Thursday Night

A 20 percent chance of snow. Mostly cloudy, with a low around 24. West southwest wind 10 to 13 mph, with gusts as high as 26 mph.

Friday

Snow likely, mainly after 11am. Mostly cloudy, with a high near 35. West southwest wind 9 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

Friday Night

Snow likely, mainly before 11pm. Mostly cloudy, with a low around 25. West southwest wind around 11 mph, with gusts as high as 25 mph.

Saturday

A chance of snow. Partly sunny, with a high near 37.

Saturday Night

A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 29.

Sunday

A chance of snow. Partly sunny, with a high near 40.

Sunday Night

A chance of snow. Mostly cloudy, with a low around 31.

Monday

A slight chance of snow. Partly sunny, with a high near 41.