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- This Saturday, June 27: Great Falls Disaster Response Expo - FREE and Family-Friendly Event, Great Falls College at MSU
- SCN26-50: Discontinuation of the State Forecast Product (SFP) for all NWS Central Region, Southern Region, and Western Region Offices: Effective June 29, 2026
- The Regional Temperatures and Precipitation Product for the State of Montana (RTPMT) will now be discontinued on July 7, 2026.
Current conditions at
USCRN SITE NEAR ST. MARY 1SSW (MRYM8)
Lat: 48.74111°NLon: 113.43306°WElev: 4550.0ft.NA
71°F
22°C
| Humidity | 30% |
| Wind Speed | NA 7 MPH |
| Barometer | NA |
| Dewpoint | 38°F (3°C) |
| Visibility | NA |
| Last update | 25 Jun 03:10 PM MDT |
Extended Forecast for
3 Miles W St Mary MT
This Afternoon
High: 58 °F
Showers
LikelyTonight
Low: 48 °F
Chance
Showers then
Mostly CloudyFriday
High: 51 °F
Showers
LikelyFriday Night
Low: 43 °F
Chance
Showers and
BreezySaturday
High: 50 °F
Partly Sunny
and Breezy
then Chance
T-stormsSaturday Night
Low: 39 °F
Showers
LikelySunday
High: 42 °F
Showers and
BreezySunday Night
Low: 38 °F
Showers and
WindyMonday
High: 41 °F
Showers and
Windy
Detailed Forecast
This Afternoon
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 58. Northwest wind around 7 mph becoming north northeast. Chance of precipitation is 70%.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 48. Southwest wind 7 to 13 mph.
Friday
A chance of showers before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 51. Southwest wind 9 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 43. Breezy, with a west southwest wind 20 to 23 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Saturday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 50. Breezy, with a west southwest wind 14 to 23 mph, with gusts as high as 28 mph.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 39. West wind 16 to 20 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Sunday
Showers, with thunderstorms also possible after noon. High near 42. Breezy, with a west wind 22 to 24 mph, with gusts as high as 32 mph. Chance of precipitation is 90%.
Sunday Night
Showers. Cloudy, with a low around 38. Windy, with a west southwest wind 30 to 33 mph, with gusts as high as 40 mph.
Monday
Showers. Cloudy, with a high near 41. Windy.
Monday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 39. Windy.
Tuesday
A chance of showers. Partly sunny, with a high near 47. Windy.
Tuesday Night
Partly cloudy, with a low around 40. Windy.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 50. Windy.
Wednesday Night
Partly cloudy, with a low around 40. Breezy.
Thursday
Mostly sunny, with a high near 57.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles W St Mary MT
48.73°N 113.5°W (Elev. 7480 ft)
48.73°N 113.5°W (Elev. 7480 ft)
12:31 pm MDT Jun 25, 2026
3pm MDT Jun 25, 2026-6pm MDT Jul 2, 2026
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