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.

ST. MARY (SRYM8)

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

4°F

-16°C

Humidity	84%
Wind Speed	SE 3 MPH
Barometer	NA
Dewpoint	0°F (-18°C)
Visibility	NA
Last update	29 Nov 10:11 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

Tonight
Low: 5 °F
Mostly Clear
Sunday
High: 22 °F
Increasing
Clouds
Sunday Night
Low: 11 °F
Partly Cloudy
then Partly
Cloudy and
Breezy
Monday
High: 20 °F
Partly Sunny
and Breezy
Monday Night
Low: 18 °F
Snow Likely
and Windy
Tuesday
High: 21 °F
Snow Likely
and Breezy
Tuesday Night
Low: 13 °F
Chance Snow
Wednesday
High: 20 °F
Partly Sunny
then Mostly
Sunny and
Breezy
Wednesday Night
Low: 19 °F
Mostly Cloudy
and Windy

Detailed Forecast

Tonight

Mostly clear, with a low around 5. Wind chill values as low as -5. East southeast wind 6 to 8 mph becoming south after midnight.

Sunday

Increasing clouds, with a high near 22. Wind chill values as low as -5. West wind 10 to 13 mph, with gusts as high as 18 mph.

Sunday Night

Partly cloudy, with a low around 11. Wind chill values as low as -5. Breezy, with a west southwest wind 17 to 22 mph, with gusts as high as 28 mph.

Monday

Partly sunny, with a high near 20. Wind chill values as low as -5. Breezy, with a west southwest wind 24 to 28 mph, with gusts as high as 40 mph.

Monday Night

Snow likely, mainly after 11pm. Mostly cloudy, with a low around 18. Windy, with a west southwest wind 32 to 38 mph, with gusts as high as 49 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Tuesday

Snow likely. Mostly cloudy, with a high near 21. Breezy, with a west southwest wind 23 to 28 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

Tuesday Night

A 50 percent chance of snow. Mostly cloudy, with a low around 13. West southwest wind 8 to 11 mph. New snow accumulation of less than one inch possible.

Wednesday

Partly sunny, with a high near 20. Breezy, with a west southwest wind 14 to 22 mph, with gusts as high as 32 mph.

Wednesday Night

Mostly cloudy, with a low around 19. Windy.

Thursday

A chance of snow, mainly after 11am. Partly sunny, with a high near 23. Windy.

Thursday Night

A chance of snow. Mostly cloudy, with a low around 22. Windy.

Friday

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

Friday Night

A chance of snow. Mostly cloudy, with a low around 27. Windy.