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 in effect from November 23, 11:00 PM MST until November 24, 11:00 PM MST

Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

43°F

6°C

Humidity	57%
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	28°F (-2°C)
Visibility	NA
Last update	23 Nov 10:10 AM MST

More Information:

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

Extended Forecast for

4 Miles SW St Mary MT

Winter Weather Advisory November 23, 11:00pm until November 24, 11:00pm

Click here for hazard details and duration

Winter Weather Advisory

Today
High: 41 °F
Chance
Rain/Snow and
Breezy
Tonight
Low: 34 °F
Rain/Snow
Monday
High: 35 °F⇓
Snow and
Breezy
Monday Night
Low: 17 °F
Snow Likely
then Chance
Snow
Tuesday
High: 28 °F
Slight Chance
Snow then
Mostly Sunny
Tuesday Night
Low: 20 °F
Slight Chance
Snow
Wednesday
High: 32 °F
Chance Snow
Wednesday Night
Low: 26 °F
Snow Likely
Thanksgiving Day
High: 35 °F
Snow Likely

Detailed Forecast

Today

A chance of rain and snow before 2pm, then a chance of rain between 2pm and 3pm, then a chance of rain and snow after 3pm. Mostly cloudy, with a high near 41. Breezy, with a west southwest wind 22 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Tonight

Rain and snow, mainly after 11pm. Low around 34. Southwest wind 18 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Monday

Snow. Temperature falling to around 23 by 5pm. Breezy, with a west southwest wind 19 to 24 mph becoming north 13 to 18 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Monday Night

Snow likely, mainly before 11pm. Mostly cloudy, with a low around 17. North wind 8 to 10 mph becoming west southwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Tuesday

A 20 percent chance of snow before 11am. Mostly sunny, with a high near 28. West southwest wind 7 to 9 mph.

Tuesday Night

A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 20. West southwest wind around 7 mph.

Wednesday

A 50 percent chance of snow. Mostly cloudy, with a high near 32. West southwest wind around 6 mph. New snow accumulation of less than a half inch possible.

Wednesday Night

Snow likely. Mostly cloudy, with a low around 26. Southwest wind around 6 mph.

Thanksgiving Day

Snow likely. Mostly cloudy, with a high near 35.

Thursday Night

Snow likely. Mostly cloudy, with a low around 23.

Friday

Snow likely. Mostly cloudy, with a high near 28.

Friday Night

Snow likely. Mostly cloudy, with a low around 7.

Saturday

Snow likely. Mostly cloudy, with a high near 15.