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 64°F 2025-07-09T07:30:00 
Today 2025-07-09, Slight Chance Showers. A slight chance of showers before 9am, then a slight chance of showers after noon. Mostly sunny, with a high near 93. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 20%.Tonight 2025-07-09, Chance T-storms then Partly Cloudy. A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 57. West southwest wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Thursday 2025-07-10, Sunny then Slight Chance Showers. A 20 percent chance of showers after noon. Sunny, with a high near 80. West southwest wind 6 to 11 mph becoming west northwest 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.
Thursday Night 2025-07-10, Partly Cloudy. Partly cloudy, with a low around 44. North northwest wind 13 to 18 mph becoming light west northwest after midnight. Winds could gust as high as 30 mph.- Friday 2025-07-11, Sunny. Sunny, with a high near 81. Calm wind becoming north northeast 5 to 7 mph in the afternoon.
Friday Night 2025-07-11, Mostly Clear. Mostly clear, with a low around 52. Northeast wind around 7 mph becoming south southwest after midnight.
Saturday 2025-07-12, Mostly Sunny. Mostly sunny, with a high near 89. South southwest wind 5 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 26 mph.- Saturday Night 2025-07-12, Mostly Clear. Mostly clear, with a low around 57. West southwest wind 6 to 14 mph, with gusts as high as 26 mph.
Sunday 2025-07-13, Sunny. Sunny, with a high near 89.- Sunday Night 2025-07-13, Mostly Clear. Mostly clear, with a low around 55.
- Monday 2025-07-14, Sunny. Sunny, with a high near 87.
Monday Night 2025-07-14, Slight Chance T-storms then Mostly Clear. A slight chance of showers and thunderstorms. Partly cloudy, with a low around 52.
Tuesday 2025-07-15, Mostly Sunny then Chance Showers. A chance of showers. Mostly sunny, with a high near 76.