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 34°F 2025-10-14T10:30:00 Today 2025-10-14, Slight Chance Rain/Snow and Patchy Fog. A slight chance of rain and snow before 2pm, then a slight chance of rain after 4pm. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 40. Light northeast wind. Chance of precipitation is 20%.
Tonight 2025-10-14, Slight Chance Rain then Slight Chance Rain/Snow. A slight chance of rain before 8pm, then a slight chance of rain and snow after 3am. Mostly cloudy, with a low around 29. Light and variable wind. Chance of precipitation is 20%.
Wednesday 2025-10-15, Slight Chance Rain/Snow then Chance Rain. A slight chance of rain and snow before 10am, then a chance of rain. Mostly cloudy, with a high near 48. Light and variable wind. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday Night 2025-10-15, Chance Rain. A 40 percent chance of rain. Mostly cloudy, with a low around 35. Southwest wind 3 to 6 mph.
Thursday 2025-10-16, Chance Rain. A 40 percent chance of rain, mainly before noon. Partly sunny, with a high near 55. West wind 6 to 9 mph.Thursday Night 2025-10-16, Slight Chance Rain then Partly Cloudy. A 20 percent chance of rain before midnight. Partly cloudy, with a low around 35. Southwest wind 8 to 14 mph, with gusts as high as 23 mph.
Friday 2025-10-17, Slight Chance Rain. A 20 percent chance of rain. Mostly sunny, with a high near 56. Southwest wind 14 to 16 mph, with gusts as high as 25 mph.
Friday Night 2025-10-17, Chance Rain. A chance of rain. Mostly cloudy, with a low around 32. West southwest wind around 10 mph, with gusts as high as 18 mph.
Saturday 2025-10-18, Mostly Sunny. Mostly sunny, with a high near 60.Saturday Night 2025-10-18, Partly Cloudy then Slight Chance Rain. A slight chance of rain after midnight. Partly cloudy, with a low around 39.
Sunday 2025-10-19, Slight Chance Rain. A slight chance of rain. Partly sunny, with a high near 67.- Sunday Night 2025-10-19, Chance Rain. A chance of rain. Mostly cloudy, with a low around 37.
- Monday 2025-10-20, Chance Rain. A chance of rain. Partly sunny, with a high near 52.