| NWS Forecast for: Great Falls MT Issued by: National Weather Service Great Falls, MT Last Update: 3:25 am MDT Jun 20, 2025 | |
| Overnight: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58. North northeast wind around 5 mph. Friday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 73. North northeast wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible. Friday Night: Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then a chance of showers and thunderstorms after 5am. Low around 46. North wind 6 to 10 mph becoming southwest after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible. Saturday: Rain likely before noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 65. West southwest wind 11 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. Saturday Night: Rain likely, mainly after midnight. Mostly cloudy, with a low around 42. West northwest wind 11 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. Sunday: Rain before noon, then showers after noon. High near 52. Northwest wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Sunday Night: A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 38. West wind 6 to 9 mph becoming south southwest after midnight. Monday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68. South southwest wind 6 to 8 mph. Monday Night: Partly cloudy, with a low around 41. Tuesday: A slight chance of showers after noon. Sunny, with a high near 75. Tuesday Night: Partly cloudy, with a low around 46. Wednesday: A slight chance of showers. Mostly sunny, with a high near 81. Wednesday Night: Mostly clear, with a low around 50. Thursday: A slight chance of showers and thunderstorms. Sunny, with a high near 86. | |
| Great Falls MT 47.52°N 111.28°W (Elev. 3399 ft) | |
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