Storm Moving from Western into Central U.S. through Wednesday
A storm system moving over the Rockies Wednesday will bring marginal risks for excessive rainfall and severe thunderstorms from parts of New Mexico into western South Dakota. Moderate snow is expected from northwestern Wyoming into southern Montana. Read More >
Current conditions at
USCRN SITE NEAR ST. MARY 1SSW (MRYM8)
Lat: 48.74111°NLon: 113.43306°WElev: 4550.0ft.NA
32°F
0°C
| Humidity | 83% |
| Wind Speed | NA NA MPH |
| Barometer | NA |
| Dewpoint | 28°F (-2°C) |
| Visibility | NA |
| Last update | 15 Oct 01:10 AM MDT |
Extended Forecast for
10 Miles SSW St Mary MT
Overnight
Low: 24 °F
Partly Cloudy
Wednesday
High: 42 °F
Sunny
Wednesday Night
Low: 28 °F
Slight Chance
Rain/SnowThursday
High: 39 °F
Sunny
Thursday Night
Low: 28 °F
Mostly Clear
then Partly
Cloudy and
BreezyFriday
High: 33 °F
Chance Snow
Friday Night
Low: 26 °F
Chance Snow
Saturday
High: 36 °F
Slight Chance
Snow then
Mostly SunnySaturday Night
Low: 33 °F
Chance Rain
and Breezy
Detailed Forecast
Overnight
Partly cloudy, with a low around 24. Light east southeast wind.
Wednesday
Sunny, with a high near 42. South southeast wind around 5 mph becoming light and variable.
Wednesday Night
A slight chance of rain before 8pm, then a slight chance of rain and snow between 8pm and 3am, then a slight chance of snow after 3am. Partly cloudy, with a low around 28. Northwest wind 3 to 7 mph. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 39. West wind 7 to 10 mph.
Thursday Night
Partly cloudy, with a low around 28. Breezy, with a west southwest wind 11 to 16 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 33 mph.
Friday
A 50 percent chance of snow. Partly sunny, with a high near 33. West wind 14 to 20 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 26. West wind 11 to 14 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.
Saturday
A slight chance of snow before noon. Partly sunny, with a high near 36. West southwest wind 14 to 17 mph, with gusts as high as 26 mph.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 33. Breezy.
Sunday
Rain likely before 3pm, then snow likely. Mostly cloudy, with a high near 40.
Sunday Night
Snow likely. Mostly cloudy, with a low around 29.
Monday
Snow likely. Mostly cloudy, with a high near 34.
Monday Night
A chance of snow. Mostly cloudy, with a low around 27.
Tuesday
A chance of snow. Partly sunny, with a high near 32.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
10 Miles SSW St Mary MT
48.61°N 113.51°W (Elev. 6673 ft)
48.61°N 113.51°W (Elev. 6673 ft)
10:00 pm MDT Oct 14, 2025
1am MDT Oct 15, 2025-6pm MDT Oct 21, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
