| NWS Forecast for: 16 Miles W St Mary MT Issued by: National Weather Service Great Falls, MT Last Update: 2:29 pm MDT Jul 13, 2025 | |
| This Afternoon: A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 69. West southwest wind around 15 mph, with gusts as high as 23 mph. Tonight: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 49. Southwest wind 9 to 16 mph, with gusts as high as 23 mph. Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Increasing clouds, with a high near 58. Southwest wind 9 to 18 mph becoming north northeast in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Monday Night: Showers and possibly a thunderstorm. Low around 33. Windy, with a northeast wind 26 to 32 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. Tuesday: Rain and snow showers likely before noon, then a chance of rain showers. Some thunder is also possible. Cloudy, with a high near 36. Breezy, with a northeast wind 24 to 29 mph decreasing to 17 to 22 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible. Tuesday Night: A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 34. East northeast wind 9 to 15 mph, with gusts as high as 22 mph. Wednesday: Mostly sunny, with a high near 50. East wind around 9 mph becoming south southwest in the afternoon. Wednesday Night: Mostly clear, with a low around 40. Southeast wind 7 to 9 mph. Thursday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 54. Thursday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 42. Friday: Mostly sunny, with a high near 57. Friday Night: Partly cloudy, with a low around 45. Saturday: Mostly sunny, with a high near 61. Saturday Night: Partly cloudy, with a low around 46. Sunday: Sunny, with a high near 59. | |
| 16 Miles W St Mary MT 48.79°N 113.77°W (Elev. 7480 ft) | |
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