Hazardous Weather Conditions
Current conditions at
USCRN SITE NEAR ST. MARY 1SSW (MRYM8)
Lat: 48.74111°NLon: 113.43306°WElev: 4550.0ft.NA
24°F
-4°C
| Humidity | 66% |
| Wind Speed | NA 2 MPH |
| Barometer | NA |
| Dewpoint | 14°F (-10°C) |
| Visibility | NA |
| Last update | 13 Mar 06:10 PM MDT |
Extended Forecast for
St Mary MT
Winter Storm Warning March 13, 06:40pm until March 14, 06:00pm
NOW until 6:00pm Sat

Winter Storm Warning
Tonight

Low: 17 °F
Snow
Saturday

High: 24 °F⇓
Snow
Saturday Night
Low: 5 °F
Chance Snow
then Slight
Chance SnowSunday

High: 30 °F
Partly Sunny
Sunday Night

Low: 21 °F
Chance Snow
Monday
High: 43 °F
Chance Snow
then Chance
Rain/Snow and
BreezyMonday Night

Low: 39 °F
Chance Rain
and BreezyTuesday

High: 50 °F
Slight Chance
Rain and
Breezy
Detailed Forecast
Tonight
Snow. Low around 17. East southeast wind 3 to 6 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 3 inches possible.
Saturday
Snow, mainly before 4pm. Temperature falling to around 16 by 5pm. Light north northeast wind becoming north 11 to 16 mph in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Saturday Night
A 50 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 5. Wind chill values as low as -5. North wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 18 mph. New snow accumulation of less than a half inch possible.
Sunday
Partly sunny, with a high near 30. Wind chill values as low as zero. West southwest wind 5 to 10 mph, with gusts as high as 21 mph.
Sunday Night
A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 21. Southwest wind 9 to 14 mph, with gusts as high as 28 mph. Little or no snow accumulation expected.
Monday
A chance of snow before noon, then a chance of rain and snow. Mostly cloudy, with a high near 43. Breezy, with a west southwest wind 16 to 23 mph, with gusts as high as 46 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Monday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 39. Breezy, with a west southwest wind 23 to 26 mph, with gusts as high as 55 mph.
Tuesday
A slight chance of rain. Partly sunny, with a high near 50. Breezy, with a west southwest wind 25 to 29 mph, with gusts as high as 55 mph.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 42. Breezy.
Wednesday
A slight chance of rain. Partly sunny, with a high near 51. Breezy.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 43.
Thursday
A slight chance of rain. Partly sunny, with a high near 54. Breezy.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 43.
Friday
A slight chance of rain. Partly sunny, with a high near 55.
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ABOUT THIS FORECAST
Point Forecast:
St Mary MT
48.74°N 113.44°W (Elev. 4554 ft)
48.74°N 113.44°W (Elev. 4554 ft)
5:02 pm MDT Mar 13, 2026
6pm MDT Mar 13, 2026-6pm MDT Mar 20, 2026



