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I-15 weather conditions near Boulder, Montana

       Seasoned Weather Conditions

      

       Current Weather Conditions

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7 day weather forecast

  • Tonight 2025-07-08, Slight Chance Showers then Partly Cloudy. A 20 percent chance of showers before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 59. West northwest wind 5 to 8 mph becoming calm after midnight.
  • Wednesday 2025-07-09, Mostly Sunny then Slight Chance Showers. A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 93. Light and variable wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 21 mph.
  • Wednesday Night 2025-07-09, Chance Showers then Partly Cloudy. A slight chance of thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 54. West wind 5 to 14 mph becoming north northeast in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 30%.
  • Thursday 2025-07-10, Sunny then Slight Chance T-storms. A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Sunny, with a high near 77. Light west northwest wind becoming northwest 13 to 18 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
  • Thursday Night 2025-07-10, Slight Chance T-storms then Mostly Clear. 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 47. North northwest wind 13 to 18 mph becoming light after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 20%.
  • Friday 2025-07-11, Sunny. Sunny, with a high near 76. Calm wind becoming east 5 to 7 mph in the afternoon.
  • Friday Night 2025-07-11, Mostly Clear. Mostly clear, with a low around 51. East northeast wind 5 to 8 mph becoming light and variable after midnight.
  • Saturday 2025-07-12, Mostly Sunny. Mostly sunny, with a high near 85. Light west southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
  • Saturday Night 2025-07-12, Partly Cloudy. Partly cloudy, with a low around 55.
  • Sunday 2025-07-13, Sunny. Sunny, with a high near 86.
  • Sunday Night 2025-07-13, Mostly Clear. Mostly clear, with a low around 55.
  • Monday 2025-07-14, Sunny. Sunny, with a high near 82.
  • Monday Night 2025-07-14, Slight Chance T-storms then Partly Cloudy. A slight chance of showers and thunderstorms. Partly cloudy, with a low around 51.
  • Tuesday 2025-07-15, Partly Sunny then Chance Showers. A chance of showers. Partly sunny, with a high near 71.





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