| NWS Forecast for: 13 Miles SW St Mary MT Issued by: National Weather Service Great Falls, MT Last Update: 8:28 pm MDT Jul 12, 2025 |  |
| Tonight: Mostly clear, with a low around 55. West southwest wind 6 to 13 mph, with gusts as high as 22 mph. Sunday: Mostly sunny, with a high near 72. West southwest wind 5 to 13 mph, with gusts as high as 22 mph. Sunday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 55. West southwest wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%. Monday: A 50 percent chance of showers after noon. Mostly sunny, with a high near 64. Southwest wind 7 to 13 mph becoming north in the afternoon. Winds could gust as high as 22 mph. Monday Night: Showers and possibly a thunderstorm before midnight, then showers likely. Low around 44. Northeast wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. Tuesday: Showers likely, with thunderstorms also possible after 3pm. Cloudy, with a high near 47. Northeast wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. Tuesday Night: A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 41. East northeast wind 7 to 11 mph, with gusts as high as 20 mph. Wednesday: Mostly sunny, with a high near 57. Northeast wind 6 to 8 mph becoming west southwest in the morning. Wednesday Night: Mostly clear, with a low around 45. Thursday: Sunny, with a high near 63. Thursday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 49. Friday: Mostly sunny, with a high near 66. Friday Night: Mostly clear, with a low around 51. Saturday: Sunny, with a high near 68. | |
| 13 Miles SW St Mary MT 48.64°N 113.67°W (Elev. 6207 ft) | |
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