I-15 weather conditions near Helena, Montana

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Clear 90°F 2025-07-14T12:15:00
• This Afternoon 2025-07-14, Sunny. Sunny, with a high near 94. West wind 10 to 15 mph, with gusts as high as 26 mph.
• Tonight 2025-07-14, Chance T-storms then Chance Showers. A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. North northwest wind 14 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 50%.
• Tuesday 2025-07-15, Showers. Showers likely, then showers and possibly a thunderstorm after noon. High near 61. North wind 13 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
• Tuesday Night 2025-07-15, Showers then Chance Showers. Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 47. North wind 8 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
• Wednesday 2025-07-16, Chance Showers then Slight Chance T-storms. A chance of showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 70. North northwest wind 5 to 7 mph becoming northeast in the afternoon. Chance of precipitation is 30%.
• Wednesday Night 2025-07-16, Mostly Clear. Mostly clear, with a low around 47. East northeast wind 5 to 8 mph becoming light and variable after midnight.
• Thursday 2025-07-17, Sunny. Sunny, with a high near 85. Light and variable wind becoming north northwest 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.
• Thursday Night 2025-07-17, Mostly Clear. Mostly clear, with a low around 52. Northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.
• Friday 2025-07-18, Sunny. Sunny, with a high near 85.
• Friday Night 2025-07-18, Mostly Clear. Mostly clear, with a low around 53.
• Saturday 2025-07-19, Sunny. Sunny, with a high near 89.
• Saturday Night 2025-07-19, Mostly Clear. Mostly clear, with a low around 55.
• Sunday 2025-07-20, Sunny. Sunny, with a high near 88.