I-15 weather conditions near Helena, Montana

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Clear 91°F 2025-07-09T15:45:00
• This Afternoon 2025-07-09, Slight Chance T-storms. A slight chance of thunderstorms. Mostly sunny, with a high near 93. West wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
• Tonight 2025-07-09, Chance Showers then Mostly Clear. A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 57. West southwest wind 5 to 14 mph, with gusts as high as 24 mph.
• Thursday 2025-07-10, Sunny. Sunny, with a high near 84. Southwest wind 5 to 10 mph becoming west northwest 13 to 18 mph in the afternoon. Winds could gust as high as 32 mph.
• Thursday Night 2025-07-10, Mostly Clear. Mostly clear, with a low around 47. Northwest wind 13 to 18 mph becoming light west northwest after midnight. Winds could gust as high as 31 mph.
• Friday 2025-07-11, Sunny. Sunny, with a high near 80. Calm wind becoming north northeast 5 to 7 mph in the afternoon.
• Friday Night 2025-07-11, Mostly Clear. Mostly clear, with a low around 51. Northeast wind 5 to 7 mph becoming south southwest after midnight.
• Saturday 2025-07-12, Mostly Sunny. Mostly sunny, with a high near 88. Light and variable wind becoming west northwest 9 to 14 mph in the morning. Winds could gust as high as 25 mph.
• Saturday Night 2025-07-12, Mostly Clear. Mostly clear, with a low around 56. West northwest wind 6 to 14 mph becoming southwest after midnight. Winds could gust as high as 25 mph.
• Sunday 2025-07-13, Sunny. Sunny, with a high near 91.
• Sunday Night 2025-07-13, Mostly Clear. Mostly clear, with a low around 56.
• Monday 2025-07-14, Sunny then Slight Chance Showers. A slight chance of showers. Sunny, with a high near 83.
• Monday Night 2025-07-14, Chance Showers. A chance of showers and thunderstorms. Partly cloudy, with a low around 52.
• Tuesday 2025-07-15, Chance Showers. A chance of showers. Partly sunny, with a high near 72.
• Tuesday Night 2025-07-15, Slight Chance T-storms then Mostly Clear. A slight chance of showers and thunderstorms. Partly cloudy, with a low around 47.
• Wednesday 2025-07-16, Sunny. Sunny, with a high near 78.