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 86°F 2025-06-19T16:00:00
Juneteenth 2025-06-19, Chance T-storms. A 40 percent chance of showers and thunderstorms, mainly after 5pm. Widespread haze before 5pm. Partly sunny, with a high near 85. East northeast wind around 10 mph.
Tonight 2025-06-19, Showers Likely. Showers and thunderstorms likely before midnight, then a chance of showers. Widespread haze between 7pm and 9pm. Mostly cloudy, with a low around 55. East northeast wind 5 to 9 mph becoming west in the evening. Chance of precipitation is 60%.
Friday 2025-06-20, Chance Showers then Showers. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 72. West wind 5 to 10 mph becoming north in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night 2025-06-20, T-storms then Showers. Showers and possibly a thunderstorm. Low around 44. West wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 100%.
Saturday 2025-06-21, Rain Likely then Chance Showers. Rain likely before noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 61. West wind 13 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 70%.
Saturday Night 2025-06-21, Chance Rain then Rain Likely. Rain likely, mainly after midnight. Mostly cloudy, with a low around 38. Northwest wind 6 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Sunday 2025-06-22, Rain. Rain. High near 54. Northwest wind 6 to 9 mph. Chance of precipitation is 90%.
Sunday Night 2025-06-22, Chance Rain then Partly Cloudy. A chance of rain before midnight. Partly cloudy, with a low around 35. North northwest wind 5 to 7 mph becoming south southwest after midnight.
Monday 2025-06-23, Sunny then Chance Showers. A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68.
Monday Night 2025-06-23, Slight Chance Showers then Partly Cloudy. A slight chance of showers before midnight. Partly cloudy, with a low around 42.
Tuesday 2025-06-24, Sunny then Chance T-storms. A chance of showers and thunderstorms. Mostly sunny, with a high near 74.
Tuesday Night 2025-06-24, Slight Chance Showers then Partly Cloudy. A slight chance of showers. Partly cloudy, with a low around 46.
Wednesday 2025-06-25, Mostly Sunny then Chance Showers. A chance of showers and thunderstorms. Mostly sunny, with a high near 79.
Wednesday Night 2025-06-25, Slight Chance Showers then Mostly Clear. A slight chance of showers. Partly cloudy, with a low around 50.
Thursday 2025-06-26, Mostly Sunny. Mostly sunny, with a high near 83.