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 61°F 2025-06-19T04:30:00
Juneteenth 2025-06-19, Sunny then Chance T-storms. A 30 percent chance of showers and thunderstorms, mainly after 5pm. Increasing clouds, with a high near 85. Light and variable wind becoming northeast 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight 2025-06-19, Showers Likely. Showers and thunderstorms likely before midnight, then a chance of showers. Mostly cloudy, with a low around 54. East wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday 2025-06-20, Chance Showers then Showers. A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers and possibly a thunderstorm after noon. High near 74. Light west wind becoming northwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night 2025-06-20, Showers. Showers and possibly a thunderstorm. Low around 45. West wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
Saturday 2025-06-21, Showers Likely. Rain likely before noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 61. West wind 8 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 70%.
Saturday Night 2025-06-21, Chance Rain then Rain. Rain, mainly after midnight. Low around 40. West northwest wind 6 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Sunday 2025-06-22, Showers. Showers and possibly a thunderstorm. High near 54. West northwest wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 90%.
Sunday Night 2025-06-22, Slight Chance Showers then Mostly Clear. A slight chance of showers before midnight. Partly cloudy, with a low around 38. North northwest wind 5 to 8 mph becoming south southwest after midnight.
Monday 2025-06-23, Mostly Sunny then Chance Showers. A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68.
Monday Night 2025-06-23, Partly Cloudy. Partly cloudy, with a low around 42.
Tuesday 2025-06-24, Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms. Mostly sunny, with a high near 74.
Tuesday Night 2025-06-24, Slight Chance Showers then Mostly Clear. A slight chance of showers. Partly cloudy, with a low around 47.
Wednesday 2025-06-25, Sunny then Chance Showers. A chance of showers and thunderstorms. Mostly sunny, with a high near 79.