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I-15 weather conditions near Helena, Montana

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       Current Weather Conditions

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7 day weather forecast

  • Current condition: Rain 52°F 2025-06-20T22:15:00
  • Tonight 2025-06-20, Showers. Showers and possibly a thunderstorm before 3am, then rain, mainly after 3am. Low around 43. West southwest wind 7 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Saturday 2025-06-21, Chance Rain then Slight Chance T-storms. A chance of rain, mainly before 10am, then a slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 63. West wind 14 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.
  • Saturday Night 2025-06-21, Slight Chance Rain then Rain. Rain, mainly after 2am. Low around 40. Northwest wind 7 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
  • Sunday 2025-06-22, Rain. Rain. High near 47. Northwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
  • 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. Northwest wind around 7 mph becoming south southwest after midnight.
  • Monday 2025-06-23, Sunny then Chance Showers. A 30 percent chance of showers after noon. Mostly sunny, with a high near 67. South wind around 6 mph.
  • Monday Night 2025-06-23, Mostly Clear. Mostly clear, with a low around 44. West wind around 6 mph becoming calm in the evening.
  • Tuesday 2025-06-24, Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms after noon. Sunny, with a high near 74. Calm wind becoming northeast around 6 mph in the afternoon.
  • Tuesday Night 2025-06-24, Mostly Clear. Mostly clear, with a low around 48.
  • Wednesday 2025-06-25, Sunny. Sunny, with a high near 79.
  • Wednesday Night 2025-06-25, Partly Cloudy. Partly cloudy, with a low around 53.
  • Thursday 2025-06-26, Mostly Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms. Mostly sunny, with a high near 80.
  • Thursday Night 2025-06-26, Partly Cloudy. Partly cloudy, with a low around 53.
  • Friday 2025-06-27, Mostly Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms. Mostly sunny, with a high near 80.





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