| NWS Forecast for: Great Falls MT Issued by: National Weather Service Great Falls, MT Last Update: 4:26 am MDT Sep 14, 2026 |  |
| Today: A 20 percent chance of showers between 4pm and 5pm. Mostly cloudy, with a high near 64. Breezy, with a southwest wind 15 to 23 mph becoming west northwest in the afternoon. Winds could gust as high as 34 mph. Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 42. Northwest wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 23 mph. Tuesday: Mostly cloudy, with a high near 68. Calm wind becoming northeast 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph. Tuesday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 46. North wind 6 to 11 mph, with gusts as high as 20 mph. Wednesday: Mostly sunny, with a high near 66. North northwest wind around 5 mph becoming calm in the afternoon. Wednesday Night: Mostly clear, with a low around 44. East northeast wind around 5 mph becoming calm in the evening. Thursday: Sunny, with a high near 75. Calm wind becoming northeast around 6 mph in the afternoon. Thursday Night: A chance of showers. Mostly cloudy, with a low around 49. Northeast wind 5 to 9 mph becoming calm after midnight. Friday: A chance of showers, mainly before noon. Mostly sunny, with a high near 73. Friday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 49. Saturday: Mostly sunny, with a high near 75. Saturday Night: Partly cloudy, with a low around 49. Sunday: Sunny, with a high near 74. | |
| Great Falls MT 47.51°N 111.31°W (Elev. 3399 ft) | |
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