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.

34°F

1°C

Humidity	73%
Wind Speed	SSW 14 MPH
Barometer	NA
Dewpoint	26°F (-3°C)
Visibility	NA
Wind Chill	25°F (-4°C)
Last update	07 Dec 12:11 AM MST

More Information:

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

Extended Forecast for

6 Miles SSE St Mary MT

Overnight
Low: 23 °F
Slight Chance
Snow and
Areas Blowing
Snow
Sunday
High: 29 °F
Patchy
Blowing Snow
and Windy
then Chance
Snow and
Breezy
Sunday Night
Low: 28 °F
Chance Snow
and Windy
Monday
High: 34 °F
Snow Likely
and Very
Windy
Monday Night
Low: 27 °F
Heavy Snow
and Very
Windy
Tuesday
High: 30 °F
Snow Likely
and Very
Windy
Tuesday Night
Low: 22 °F
Heavy Snow
and Breezy
Wednesday
High: 26 °F
Snow Likely
and Breezy
Wednesday Night
Low: 6 °F
Snow Likely

Detailed Forecast

Overnight

A slight chance of snow between 1am and 2am. Areas of blowing snow. Mostly cloudy, with a low around 23. Windy, with a west wind 31 to 37 mph, with gusts as high as 50 mph. Chance of precipitation is 20%.

Sunday

A 40 percent chance of snow, mainly after 4pm. Patchy blowing snow before 11am. Mostly cloudy, with a high near 29. Windy, with a west southwest wind 25 to 30 mph, with gusts as high as 44 mph. New snow accumulation of less than a half inch possible.

Sunday Night

A 50 percent chance of snow. Mostly cloudy, with a low around 28. Windy, with a west southwest wind 37 to 41 mph, with gusts as high as 65 mph. New snow accumulation of less than one inch possible.

Monday

Snow likely, mainly after 11am. Mostly cloudy, with a high near 34. Very windy, with a west southwest wind 40 to 45 mph decreasing to 34 to 39 mph in the afternoon. Winds could gust as high as 60 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

Monday Night

Snow. The snow could be heavy at times. Low around 27. Very windy, with a west southwest wind 39 to 44 mph increasing to 50 to 55 mph in the evening. Winds could gust as high as 75 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

Tuesday

Snow likely, mainly before 11am. Mostly cloudy, with a high near 30. Very windy, with a west southwest wind 44 to 49 mph decreasing to 32 to 37 mph in the afternoon. Winds could gust as high as 70 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Tuesday Night

Snow likely, mainly after 11pm. The snow could be heavy at times. Mostly cloudy, with a low around 22. Breezy, with a west southwest wind 24 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of 3 to 7 inches possible.

Wednesday

Snow likely. Mostly cloudy, with a high near 26. Breezy, with a west wind 18 to 23 mph, with gusts as high as 34 mph.

Wednesday Night

Snow likely. Mostly cloudy, with a low around 6.

Thursday

Snow likely, mainly before 11am. Mostly cloudy, with a high near 13.

Thursday Night

A chance of snow. The snow could be heavy at times. Mostly cloudy, with a low around 5.

Friday

A chance of snow. Mostly cloudy, with a high near 21.

Friday Night

A chance of snow. Mostly cloudy, with a low around 17. Breezy.