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
Current condition: Clear 95°F 2025-07-08T15:15:00
Tonight 2025-07-08, Partly Cloudy. Partly cloudy, with a low around 58. West wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 25 mph.
Wednesday 2025-07-09, Mostly Sunny then Slight Chance Showers. A 20 percent chance of showers after 5pm. Mostly sunny, with a high near 93. Light and variable wind becoming west northwest 9 to 14 mph in the afternoon. Winds could gust as high as 24 mph.
Wednesday Night 2025-07-09, Slight Chance T-storms then Partly Cloudy. A slight chance of thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 56. West southwest wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
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 80. West southwest wind 5 to 10 mph becoming northwest 13 to 18 mph in the afternoon. Winds could gust as high as 30 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. Mostly clear, with a low around 46. North northwest wind 11 to 16 mph becoming light west after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 20%.
Friday 2025-07-11, Sunny. Sunny, with a high near 80. Calm wind becoming northeast 5 to 7 mph in the afternoon.
Friday Night 2025-07-11, Mostly Clear. Mostly clear, with a low around 51. Northeast wind around 7 mph becoming south southwest after midnight.
Saturday 2025-07-12, Mostly Sunny. Mostly sunny, with a high near 88. South southwest wind 5 to 14 mph becoming west in the afternoon. Winds could gust as high as 25 mph.
Saturday Night 2025-07-12, Mostly Clear. Mostly clear, with a low around 55.
Sunday 2025-07-13, Sunny. Sunny, with a high near 90.
Sunday Night 2025-07-13, Mostly Clear. Mostly clear, with a low around 56.
Monday 2025-07-14, Sunny. Sunny, with a high near 84.
Monday Night 2025-07-14, Slight Chance T-storms then Slight Chance Showers. A slight chance of showers and thunderstorms. Partly cloudy, with a low around 51.
Tuesday 2025-07-15, Slight Chance Showers. A slight chance of showers. Partly sunny, with a high near 74.