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 75°F 2025-06-15T12:00:00 
This Afternoon 2025-06-15, Chance T-storms. A slight chance of showers between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 82. Calm wind becoming east 5 to 9 mph. Chance of precipitation is 50%.Tonight 2025-06-15, Chance T-storms then Partly Cloudy. A 50 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 51. North wind 5 to 9 mph becoming calm in the evening.
Monday 2025-06-16, Mostly Sunny then Chance Showers. A 50 percent chance of showers after noon. Partly sunny, with a high near 79. Calm wind.
Monday Night 2025-06-16, Chance T-storms then Slight Chance Showers. A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 49. Northwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 40%.
Tuesday 2025-06-17, Slight Chance Showers. A 20 percent chance of showers. Mostly sunny, with a high near 79. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Tuesday Night 2025-06-17, Mostly Clear. Mostly clear, with a low around 48. West southwest wind 5 to 9 mph.
Wednesday 2025-06-18, Sunny. Sunny, with a high near 83. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.- Wednesday Night 2025-06-18, Mostly Clear. Mostly clear, with a low around 50. West wind 5 to 10 mph becoming light west southwest after midnight. Winds could gust as high as 20 mph.
Juneteenth 2025-06-19, Mostly Sunny. Mostly sunny, with a high near 86.Thursday Night 2025-06-19, Slight Chance T-storms then Partly Cloudy. A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 51.
Friday 2025-06-20, Chance Showers. A chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Friday Night 2025-06-20, Chance Showers. A chance of showers. Mostly cloudy, with a low around 46.
Saturday 2025-06-21, Chance Showers. A chance of showers and thunderstorms. Partly sunny, with a high near 68.