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: Clear 41°F 2025-10-15T19:30:00
Tonight 2025-10-15, Patchy Fog then Slight Chance Rain and Patchy Fog. A 20 percent chance of rain after 5am. Patchy fog. Otherwise, mostly cloudy, with a low around 30. Light and variable wind.
Thursday 2025-10-16, Slight Chance Rain then Mostly Sunny. A 20 percent chance of rain before 8am. Cloudy through mid morning, then gradual clearing, with a high near 56. West wind 5 to 9 mph.
Thursday Night 2025-10-16, Mostly Clear. Mostly clear, with a low around 34. Southwest wind 9 to 17 mph, with gusts as high as 28 mph.
Friday 2025-10-17, Mostly Sunny then Slight Chance Rain. A 20 percent chance of rain after noon. Mostly sunny, with a high near 58. Southwest wind 16 to 21 mph, with gusts as high as 30 mph.
Friday Night 2025-10-17, Chance Rain. A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 29. West wind 10 to 16 mph, with gusts as high as 25 mph.
Saturday 2025-10-18, Sunny. Sunny, with a high near 57. Southwest wind 9 to 16 mph, with gusts as high as 25 mph.
Saturday Night 2025-10-18, Partly Cloudy. Partly cloudy, with a low around 39. South southwest wind 13 to 17 mph, with gusts as high as 26 mph.
Sunday 2025-10-19, Slight Chance Rain and Breezy. A slight chance of rain. Partly sunny, with a high near 64. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 32 mph.
Sunday Night 2025-10-19, Chance Rain. A chance of rain. Mostly cloudy, with a low around 35.
Monday 2025-10-20, Chance Rain. A chance of rain. Partly sunny, with a high near 54.
Monday Night 2025-10-20, Partly Cloudy. Partly cloudy, with a low around 29.
Tuesday 2025-10-21, Mostly Sunny. Mostly sunny, with a high near 55.
Tuesday Night 2025-10-21, Mostly Cloudy. Mostly cloudy, with a low around 30.
Wednesday 2025-10-22, Mostly Sunny. Mostly sunny, with a high near 58.