I-15 weather conditions near Great Falls, Montana

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: light snow,mist 27°F 2025-10-13T09:45:00
• Columbus Day 2025-10-13, Snow then Chance Snow. Snow, mainly before noon. High near 34. Northeast wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.
• Tonight 2025-10-13, Slight Chance Snow then Mostly Cloudy. A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 23. Northeast wind 5 to 14 mph, with gusts as high as 21 mph.
• Tuesday 2025-10-14, Slight Chance Snow then Partly Sunny. A 20 percent chance of snow before noon. Mostly cloudy, with a high near 41. South southeast wind 5 to 7 mph becoming north northwest in the afternoon.
• Tuesday Night 2025-10-14, Chance Rain/Snow. A slight chance of rain before 9pm, then a chance of rain and snow. Mostly cloudy, with a low around 26. East northeast wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.
• Wednesday 2025-10-15, Chance Rain/Snow then Chance Rain. A chance of rain and snow before 9am, then a chance of rain. Mostly cloudy, with a high near 41. West wind 3 to 5 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
• Wednesday Night 2025-10-15, Rain Likely. Rain likely, mainly after midnight. Mostly cloudy, with a low around 30. West southwest wind 3 to 6 mph. Chance of precipitation is 60%.
• Thursday 2025-10-16, Chance Rain. A 40 percent chance of rain, mainly before noon. Partly sunny, with a high near 54. West southwest wind 6 to 10 mph.
• Thursday Night 2025-10-16, Slight Chance Rain. A slight chance of rain. Partly cloudy, with a low around 33. Southwest wind 10 to 14 mph, with gusts as high as 21 mph.
• Friday 2025-10-17, Chance Rain. A chance of rain, mainly after noon. Partly sunny, with a high near 57.
• Friday Night 2025-10-17, Chance Rain. A chance of rain. Mostly cloudy, with a low around 30.
• Saturday 2025-10-18, Mostly Sunny. Mostly sunny, with a high near 59.
• Saturday Night 2025-10-18, Partly Cloudy then Slight Chance Rain. A slight chance of rain. Partly cloudy, with a low around 37.
• Sunday 2025-10-19, Chance Rain. A chance of rain. Partly sunny, with a high near 64.