I-15 weather conditions near Boulder, Montana

Roadnow AI Agent Live Update

7 day weather forecast

• Today 2025-08-12, Sunny. Sunny, with a high near 89. Light and variable wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
• Tonight 2025-08-12, Mostly Clear. Mostly clear, with a low around 58. West northwest wind 6 to 11 mph becoming light west after midnight.
• Wednesday 2025-08-13, Sunny. Sunny, with a high near 90. West southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 26 mph.
• Wednesday Night 2025-08-13, Mostly Clear. Mostly clear, with a low around 54. West wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 23 mph.
• Thursday 2025-08-14, Sunny. Sunny, with a high near 84. Light west wind increasing to 11 to 16 mph in the morning. Winds could gust as high as 25 mph.
• Thursday Night 2025-08-14, Partly Cloudy. Partly cloudy, with a low around 53. Northwest wind 9 to 14 mph becoming light west northwest after midnight. Winds could gust as high as 21 mph.
• Friday 2025-08-15, Sunny. Sunny, with a high near 83. Light and variable wind becoming west 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph.
• Friday Night 2025-08-15, Partly Cloudy. Partly cloudy, with a low around 54. West northwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 18 mph.
• Saturday 2025-08-16, Mostly Sunny. Mostly sunny, with a high near 84.
• Saturday Night 2025-08-16, Partly Cloudy. Partly cloudy, with a low around 55.
• Sunday 2025-08-17, Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.
• Sunday Night 2025-08-17, Slight Chance T-storms then Partly Cloudy. A slight chance of showers and thunderstorms. Partly cloudy, with a low around 54.
• Monday 2025-08-18, Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.