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I-15 weather conditions near Great Falls, Montana

       Seasoned Weather Conditions

      

       Current Weather Conditions

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7 day weather forecast

  • Current condition: Rain 54°F 2025-06-20T19:15:00
  • Tonight 2025-06-20, Showers. Showers and possibly a thunderstorm. Low around 46. West southwest wind 8 to 13 mph becoming southwest 16 to 21 mph after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Saturday 2025-06-21, Chance Rain and Breezy then Slight Chance T-storms and Windy. A chance of rain before noon, then a slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 65. Windy, with a southwest wind 21 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 40%.
  • Saturday Night 2025-06-21, Chance Rain and Breezy then Rain. Rain, mainly after 1am. Low around 40. Breezy, with a west northwest wind 21 to 26 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 90%.
  • Sunday 2025-06-22, Rain. Rain. High near 50. North wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.
  • Sunday Night 2025-06-22, Chance Showers then Partly Cloudy. A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 37. West wind 6 to 8 mph becoming south southwest after midnight.
  • Monday 2025-06-23, Mostly Sunny then Chance Showers. A 40 percent chance of showers after noon. Mostly sunny, with a high near 69. South southwest wind 6 to 10 mph, with gusts as high as 18 mph.
  • Monday Night 2025-06-23, Slight Chance T-storms then Mostly Clear. A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 42. Northwest wind 5 to 7 mph becoming calm after midnight.
  • Tuesday 2025-06-24, Sunny. Sunny, with a high near 77. Calm wind becoming west around 6 mph in the afternoon.
  • Tuesday Night 2025-06-24, Mostly Clear. Mostly clear, with a low around 47.
  • Wednesday 2025-06-25, Sunny. Sunny, with a high near 83.
  • Wednesday Night 2025-06-25, Partly Cloudy. Partly cloudy, with a low around 51.
  • Thursday 2025-06-26, Mostly Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.
  • Thursday Night 2025-06-26, Partly Cloudy. Partly cloudy, with a low around 52.
  • Friday 2025-06-27, Mostly Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83.





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