I-15 weather conditions near Great Falls, Montana

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Overcast 72°F 2025-06-28T13:30:00
• This Afternoon 2025-06-28, Mostly Sunny. Mostly sunny, with a high near 80. West wind around 15 mph, with gusts as high as 26 mph.
• Tonight 2025-06-28, Mostly Clear. Mostly clear, with a low around 49. West wind 10 to 15 mph becoming light west southwest after midnight. Winds could gust as high as 24 mph.
• Sunday 2025-06-29, Sunny. Sunny, with a high near 82. Light and variable wind becoming west northwest around 6 mph in the morning.
• Sunday Night 2025-06-29, Clear. Clear, with a low around 51. North northwest wind 5 to 7 mph becoming light and variable after midnight.
• Monday 2025-06-30, Sunny. Sunny, with a high near 90. Calm wind becoming east 5 to 7 mph in the afternoon.
• Monday Night 2025-06-30, Clear. Clear, with a low around 56. East northeast wind 5 to 9 mph becoming southwest after midnight.
• Tuesday 2025-07-01, Sunny. Sunny, with a high near 92. Light and variable wind becoming north 5 to 7 mph in the afternoon.
• Tuesday Night 2025-07-01, Mostly Clear. Mostly clear, with a low around 58. North northeast wind 5 to 10 mph becoming light and variable after midnight.
• Wednesday 2025-07-02, Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 94.
• Wednesday Night 2025-07-02, Slight Chance T-storms then Partly Cloudy. A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59.
• Thursday 2025-07-03, Mostly Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89.
• Thursday Night 2025-07-03, Slight Chance T-storms then Partly Cloudy. A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
• Independence Day 2025-07-04, Mostly Sunny then Slight Chance Showers. A slight chance of showers. Mostly sunny, with a high near 87.