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 2025-06-22, Showers. Showers, with thunderstorms also possible after noon. High near 50. North wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.
Tonight 2025-06-22, Showers Likely then Patchy Fog. Showers likely, mainly before 8pm. Patchy fog before 3am, then patchy fog after 4am. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 33. North northwest wind 5 to 9 mph becoming south after midnight. Chance of precipitation is 60%.
Monday 2025-06-23, Patchy Fog then Chance Showers. A 30 percent chance of showers and thunderstorms after noon. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 70. Light and variable wind becoming west southwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Monday Night 2025-06-23, Mostly Clear. Mostly clear, with a low around 40. West wind 5 to 8 mph becoming calm in the evening.
Tuesday 2025-06-24, Sunny. Sunny, with a high near 79. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night 2025-06-24, Mostly Clear. Mostly clear, with a low around 46. Southeast wind around 6 mph becoming calm in the evening.
Wednesday 2025-06-25, Mostly Sunny. Mostly sunny, with a high near 82. Calm wind becoming south 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night 2025-06-25, Mostly Cloudy. Mostly cloudy, with a low around 51. South southwest wind 5 to 8 mph becoming calm after midnight.
Thursday 2025-06-26, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms after noon. Partly sunny, with a high near 81.
Thursday Night 2025-06-26, Chance Showers then Mostly Cloudy. A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 50.
Friday 2025-06-27, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms. Partly sunny, with a high near 78.
Friday Night 2025-06-27, Slight Chance T-storms then Partly Cloudy. A slight chance of showers and thunderstorms. Partly cloudy, with a low around 49.
Saturday 2025-06-28, Mostly Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms. Mostly sunny, with a high near 79.