| NWS Forecast for: St Mary MT Issued by: National Weather Service Great Falls, MT Last Update: 3:32 am MDT Sep 11, 2024 |  |
| Today: Showers likely, with thunderstorms also possible after 3pm. Widespread haze before 2pm, then widespread haze after 5pm. Mostly cloudy, with a high near 70. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 60%. Tonight: Showers and thunderstorms before 3am, then showers and possibly a thunderstorm, mainly after 3am. Low around 42. North wind 3 to 6 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Thursday: Showers, with thunderstorms also possible after 9am. High near 52. North northwest wind 5 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible. Thursday Night: Showers. Low around 41. Northwest wind 6 to 8 mph. Chance of precipitation is 90%. Friday: Showers likely. Mostly cloudy, with a high near 57. West wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. Friday Night: Partly cloudy, with a low around 42. West southwest wind around 9 mph, with gusts as high as 18 mph. Saturday: Partly sunny, with a high near 63. West southwest wind 8 to 11 mph, with gusts as high as 22 mph. Saturday Night: Mostly cloudy, with a low around 42. Southwest wind 5 to 8 mph, with gusts as high as 20 mph. Sunday: Partly sunny, with a high near 67. Sunday Night: A slight chance of showers before midnight. Mostly cloudy, with a low around 42. Monday: A chance of showers. Mostly cloudy, with a high near 64. Monday Night: A chance of showers. Mostly cloudy, with a low around 41. Tuesday: Showers likely. Mostly cloudy, with a high near 57. | |
| St Mary MT 48.74°N 113.44°W (Elev. 4554 ft) | |
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