I-15 weather conditions near Great Falls, Montana
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Overcast 31°F 2025-10-13T13:15:00 
Columbus Day 2025-10-13, Chance Snow. A 30 percent chance of snow, mainly before 4pm. Cloudy, with a high near 35. Northeast wind around 15 mph, with gusts as high as 25 mph. 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 24. Northeast wind 6 to 14 mph becoming south southeast after midnight. Winds could gust 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 42. South wind 5 to 7 mph becoming north in the afternoon.
Tuesday Night 2025-10-14, Slight Chance Rain then Chance Rain/Snow. A chance of rain before 3am, then a chance of rain and snow. Mostly cloudy, with a low around 28. East northeast wind 5 to 7 mph becoming light and variable. 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 42. Southwest 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 33. 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 55. West southwest wind 7 to 10 mph.
Thursday Night 2025-10-16, Slight Chance Rain. A slight chance of rain. Partly cloudy, with a low around 36. Southwest wind 10 to 14 mph, with gusts as high as 23 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 33.
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 40.
- Sunday 2025-10-19, Chance Rain. A chance of rain. Partly sunny, with a high near 64.