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 Storm Warning until November 28, 05:00 PM MST

Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

19°F

-7°C

Humidity	79%
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	14°F (-10°C)
Visibility	NA
Last update	28 Nov 12:10 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

Winter Storm Warning November 28, 12:35am until November 28, 05:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning November 28, 12:35am until November 28, 05:00pm
NOW until 5:00pm Fri
Winter Storm Warning
Overnight
Low: 5 °F
Snow
Friday
High: 9 °F⇓
Snow then
Chance Snow
Friday Night
Low: -3 °F
Chance Snow
then Partly
Cloudy
Saturday
High: 14 °F
Mostly Sunny
Saturday Night
Low: 3 °F
Partly Cloudy
Sunday
High: 19 °F
Sunny
Sunday Night
Low: 8 °F
Partly Cloudy
Monday
High: 17 °F
Chance Snow

Detailed Forecast

Overnight

Snow, mainly after 5am. Low around 5. Wind chill values as low as -10. North northeast wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 3 to 7 inches possible.

Friday

Snow, mainly before 3pm. Temperature rising to near 9 by noon, then falling to around 3 during the remainder of the day. Wind chill values as low as -10. North northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Friday Night

A 30 percent chance of snow before 11pm. Partly cloudy, with a low around -3. Wind chill values as low as -15. North northeast wind 6 to 9 mph becoming west after midnight. New snow accumulation of less than a half inch possible.

Saturday

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

Saturday Night

Partly cloudy, with a low around 3. Southwest wind around 7 mph.

Sunday

Sunny, with a high near 19. West southwest wind 7 to 10 mph.

Sunday Night

Partly cloudy, with a low around 8. West southwest wind 10 to 15 mph, with gusts as high as 22 mph.

Monday

A chance of snow, mainly after 11am. Mostly cloudy, with a high near 17. West southwest wind 15 to 17 mph, with gusts as high as 26 mph.

Monday Night

Snow likely, mainly after 11pm. Mostly cloudy, with a low around 16.