I-15 weather conditions near Boulder, Montana
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Tonight 2025-08-13, Clear. Clear, with a low around 55. West wind 3 to 5 mph.
Thursday 2025-08-14, Sunny. Sunny, with a high near 85. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 24 mph.
Thursday Night 2025-08-14, Mostly Clear. Mostly clear, with a low around 53. Northwest wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 23 mph.- Friday 2025-08-15, Sunny. Sunny, with a high near 86. Light and variable wind becoming west southwest 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.
- Friday Night 2025-08-15, Mostly Clear. Mostly clear, with a low around 55. 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 86. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.
Saturday Night 2025-08-16, Mostly Cloudy. Mostly cloudy, with a low around 55. West northwest wind 5 to 10 mph becoming light after midnight.Sunday 2025-08-17, Mostly Sunny then Chance Showers. A chance of showers after noon. Mostly sunny, with a high near 83. Calm wind becoming west 5 to 7 mph in the afternoon.
Sunday Night 2025-08-17, Slight Chance T-storms then Partly Cloudy. A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 53.
Monday 2025-08-18, Sunny then Slight Chance Showers. A slight chance of showers after noon. Sunny, with a high near 86.
Monday Night 2025-08-18, Partly Cloudy. Partly cloudy, with a low around 55.- Tuesday 2025-08-19, Sunny. Sunny, with a high near 89.
- Tuesday Night 2025-08-19, Partly Cloudy. Partly cloudy, with a low around 57.
- Wednesday 2025-08-20, Sunny. Sunny, with a high near 88.