| NWS Forecast for: St Mary MT Issued by: National Weather Service Great Falls, MT Last Update: 7:00 pm MST Nov 9, 2025 |  |
Tonight: Mostly cloudy, with a steady temperature around 45. Southwest wind 16 to 18 mph, with gusts as high as 45 mph. Monday: A 20 percent chance of rain after 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 53. Breezy, with a west southwest wind 18 to 26 mph, with gusts as high as 60 mph. Monday Night: Mostly cloudy, with a low around 37. Southwest wind 14 to 16 mph, with gusts as high as 39 mph. Veterans Day: Partly sunny, with a high near 45. West southwest wind around 14 mph, with gusts as high as 31 mph. Tuesday Night: Mostly cloudy, with a low around 32. West southwest wind 5 to 10 mph, with gusts as high as 20 mph. Wednesday: Mostly cloudy, with a high near 49. Southwest wind 5 to 7 mph. Wednesday Night: Mostly cloudy, with a low around 37. Southwest wind around 6 mph. Thursday: A slight chance of rain after 11am. Partly sunny, with a high near 54. Southwest wind 7 to 10 mph, with gusts as high as 21 mph. Thursday Night: A chance of rain before 8pm, then a chance of rain and snow. Mostly cloudy, with a low around 31. Friday: A chance of rain and snow before 11am, then a chance of snow. Partly sunny, with a high near 40. Friday Night: A chance of snow. Mostly cloudy, with a low around 27. Saturday: A slight chance of snow. Partly sunny, with a high near 40. Saturday Night: A chance of snow. Mostly cloudy, with a low around 29. Sunday: A chance of snow. Mostly cloudy, with a high near 42. | |
| St Mary MT 48.74°N 113.44°W (Elev. 4554 ft) | |
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