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.

8°F

-13°C

Humidity	74%
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	1°F (-17°C)
Visibility	NA
Last update	28 Nov 08:10 PM MST

More Information:

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

Extended Forecast for

5 Miles WSW St Mary MT

Tonight
Low: -4 °F⇑
Decreasing
Clouds
Saturday
High: 14 °F
Mostly Sunny
Saturday Night
Low: 4 °F
Partly Cloudy
Sunday
High: 18 °F
Sunny
Sunday Night
Low: 8 °F
Partly Cloudy
Monday
High: 17 °F
Partly Sunny
then Partly
Sunny and
Breezy
Monday Night
Low: 15 °F
Snow Likely
and Breezy
Tuesday
High: 20 °F
Snow Likely
Tuesday Night
Low: 13 °F
Chance Snow

Detailed Forecast

Tonight

Mostly cloudy, then gradually becoming mostly clear, with a temperature falling to near -4 by midnight, then rising to around 2 during the remainder of the night. Wind chill values as low as -20. North wind 8 to 14 mph becoming west after midnight. Winds could gust as high as 20 mph.

Saturday

Mostly sunny, with a high near 14. Wind chill values as low as -15. West wind 6 to 10 mph.

Saturday Night

Partly cloudy, with a low around 4. Wind chill values as low as -5. Northwest wind around 6 mph becoming southwest after midnight.

Sunday

Sunny, with a high near 18. Wind chill values as low as -5. West southwest wind 6 to 11 mph.

Sunday Night

Partly cloudy, with a low around 8. West southwest wind 14 to 17 mph, with gusts as high as 28 mph.

Monday

Partly sunny, with a high near 17. Breezy, with a west southwest wind 18 to 23 mph, with gusts as high as 34 mph.

Monday Night

Snow likely, mainly after 11pm. Mostly cloudy, with a low around 15. Breezy, with a west southwest wind 24 to 28 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

Tuesday

Snow likely, mainly before 11am. Mostly cloudy, with a high near 20. West southwest wind 16 to 21 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 34 mph.

Tuesday Night

A chance of snow. Mostly cloudy, with a low around 13.

Wednesday

A slight chance of snow before 11am. Partly sunny, with a high near 20.

Wednesday Night

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

Thursday

A chance of snow. Partly sunny, with a high near 21. Breezy.

Thursday Night

A chance of snow. Mostly cloudy, with a low around 19. Breezy.

Friday

A chance of snow. Mostly cloudy, with a high near 25. Breezy.