I-15 weather conditions near Helena, Montana
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Today 2025-06-18, Sunny. Sunny, with a high near 84. Light and variable wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 26 mph.
Tonight 2025-06-18, Mostly Clear. Mostly clear, with a low around 51. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.Juneteenth 2025-06-19, Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 86. Calm wind becoming northwest around 6 mph in the afternoon. Winds could gust as high as 18 mph.
Thursday Night 2025-06-19, Chance T-storms then Chance Showers. A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53. North northeast wind 5 to 8 mph becoming calm after midnight.
Friday 2025-06-20, Chance Showers then Showers. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 74. Light northwest wind becoming north northwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Friday Night 2025-06-20, Showers. Showers and possibly a thunderstorm. Low around 48. West northwest wind 5 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Saturday 2025-06-21, Showers. Showers and possibly a thunderstorm. High near 66. Light west wind becoming west northwest 9 to 14 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 80%.
Saturday Night 2025-06-21, Showers Likely. Showers likely. Mostly cloudy, with a low around 41. West wind 6 to 15 mph, with gusts as high as 25 mph.
Sunday 2025-06-22, Showers. Showers likely, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 59.Sunday Night 2025-06-22, Chance Showers then Partly Cloudy. A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 37.
Monday 2025-06-23, Mostly Sunny then Chance Showers. A chance of showers and thunderstorms. Mostly sunny, with a high near 69.
Monday Night 2025-06-23, Slight Chance T-storms then Partly Cloudy. A slight chance of showers and thunderstorms. Partly cloudy, with a low around 42.
Tuesday 2025-06-24, Sunny then Chance Showers. A chance of showers and thunderstorms. Mostly sunny, with a high near 76.