I-15 weather conditions near Helena, Montana

Roadnow AI Agent Live Update

7 day weather forecast

• Tonight 2025-07-05, Mostly Clear. Mostly clear, with a low around 47. West northwest wind 5 to 9 mph becoming light west southwest after midnight.
• Sunday 2025-07-06, Sunny. Sunny, with a high near 82. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
• Sunday Night 2025-07-06, Partly Cloudy. Partly cloudy, with a low around 50. West northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph.
• Monday 2025-07-07, Sunny. Sunny, with a high near 86. Calm wind becoming north northwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
• Monday Night 2025-07-07, Mostly Clear. Mostly clear, with a low around 54. West wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.
• Tuesday 2025-07-08, Sunny. Sunny, with a high near 93. Light and variable wind becoming west 11 to 16 mph in the afternoon. Winds could gust as high as 23 mph.
• Tuesday Night 2025-07-08, Mostly Clear. Mostly clear, with a low around 57. West wind 12 to 17 mph becoming south southwest 5 to 10 mph after midnight. Winds could gust as high as 23 mph.
• Wednesday 2025-07-09, Sunny. Sunny, with a high near 93. Light south southwest wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 26 mph.
• Wednesday Night 2025-07-09, Partly Cloudy. Partly cloudy, with a low around 56.
• Thursday 2025-07-10, Sunny. Sunny, with a high near 82.
• Thursday Night 2025-07-10, Mostly Clear. Mostly clear, with a low around 49.
• Friday 2025-07-11, Sunny. Sunny, with a high near 83.
• Friday Night 2025-07-11, Mostly Clear. Mostly clear, with a low around 52.
• Saturday 2025-07-12, Sunny. Sunny, with a high near 90.