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.

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

27°F

-3°C

Humidity	66%
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	17°F (-8°C)
Visibility	NA
Last update	03 Dec 09:10 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

Today
High: 18 °F
Partly Sunny
then Slight
Chance Snow
Tonight
Low: 16 °F
Chance Snow
and Breezy
Thursday
High: 22 °F
Snow Likely
and Breezy
Thursday Night
Low: 18 °F
Chance Snow
Friday
High: 23 °F
Snow
Friday Night
Low: 21 °F
Snow
Saturday
High: 25 °F
Snow
Saturday Night
Low: 24 °F
Chance Snow
Sunday
High: 29 °F
Snow Likely

Detailed Forecast

Today

A 20 percent chance of snow after 4pm. Partly sunny, with a high near 18. Wind chill values as low as zero. West southwest wind 15 to 21 mph, with gusts as high as 32 mph.

Tonight

A slight chance of snow before 9pm, then a chance of snow after midnight. Mostly cloudy, with a low around 16. Wind chill values as low as zero. Breezy, with a southwest wind around 24 mph, with gusts as high as 38 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

Thursday

Snow likely. Mostly cloudy, with a high near 22. Breezy, with a west southwest wind 18 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Thursday Night

A 50 percent chance of snow. Mostly cloudy, with a low around 18. West wind 14 to 17 mph, with gusts as high as 26 mph. New snow accumulation of less than a half inch possible.

Friday

Snow, mainly after 11am. High near 23. West southwest wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

Friday Night

Snow. Low around 21. West southwest wind 15 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Saturday

Snow. High near 25. West southwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Saturday Night

A chance of snow. Mostly cloudy, with a low around 24. West southwest wind 16 to 18 mph, with gusts as high as 31 mph.

Sunday

Snow likely, mainly after 11am. Mostly cloudy, with a high near 29.

Sunday Night

Snow likely, mainly before 11pm. Mostly cloudy, with a low around 26. Breezy.

Monday

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

Monday Night

Snow likely. Mostly cloudy, with a low around 27. Windy.

Tuesday

Snow. Mostly cloudy, with a high near 30. Breezy.