I-15 weather conditions near Boulder, Montana

Roadnow AI Agent Live Update

7 day weather forecast

• This Afternoon 2025-12-13, Partly Sunny. Partly sunny, with a high near 50. South wind 6 to 8 mph.
• Tonight 2025-12-13, Partly Cloudy. Partly cloudy, with a low around 29. West northwest wind around 6 mph.
• Sunday 2025-12-14, Sunny. Sunny, with a high near 53. South southeast wind 7 to 10 mph becoming west southwest in the afternoon.
• Sunday Night 2025-12-14, Mostly Cloudy. Mostly cloudy, with a low around 34. West southwest wind around 6 mph.
• Monday 2025-12-15, Mostly Sunny. Mostly sunny, with a high near 53. Southwest wind 6 to 15 mph, with gusts as high as 24 mph.
• Monday Night 2025-12-15, Slight Chance Rain. A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 38. Southwest wind 10 to 13 mph, with gusts as high as 23 mph.
• Tuesday 2025-12-16, Chance Rain/Snow. A chance of rain before 11am, then a slight chance of rain and snow. Partly sunny, with a high near 49. West southwest wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
• Tuesday Night 2025-12-16, Rain/Snow. Rain, possibly mixed with snow, mainly after 11pm. Mostly cloudy, with a low around 33. South southwest wind around 14 mph, with gusts as high as 28 mph.
• Wednesday 2025-12-17, Breezy. Rain/Snow then Chance Snow. Rain, possibly mixed with snow, becoming all snow after 8am. Partly sunny, with a high near 42. Breezy.
• Wednesday Night 2025-12-17, Slight Chance Snow. A slight chance of snow. Partly cloudy, with a low around 23.
• Thursday 2025-12-18, Chance Snow. A chance of snow. Partly sunny, with a high near 38.
• Thursday Night 2025-12-18, Chance Snow then Chance Rain/Snow. A chance of rain and snow. Mostly cloudy, with a low around 28.
• Friday 2025-12-19, Rain/Snow Likely. Rain and snow likely. Partly sunny, with a high near 42.