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 18°F 2025-11-30T21:45:00 
Tonight 2025-11-30, Partly Cloudy. Partly cloudy, with a temperature rising to around 15 by 5am. Wind chill values as low as zero. Southwest wind around 6 mph.
Monday 2025-12-01, Partly Sunny. Partly sunny, with a high near 36. Southwest wind 8 to 17 mph, with gusts as high as 28 mph.
Monday Night 2025-12-01, Chance Snow. A 40 percent chance of snow after 11pm. Mostly cloudy, with a steady temperature around 33. Southwest wind 15 to 18 mph, with gusts as high as 33 mph. New snow accumulation of less than a half inch possible.
Tuesday 2025-12-02, Snow. Snow. High near 35. West wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.Tuesday Night 2025-12-02, Snow Likely then Chance Snow. Snow likely, mainly before 11pm. Cloudy, with a low around 16. North northwest wind 6 to 8 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday 2025-12-03, Mostly Sunny. Mostly sunny, with a high near 32. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night 2025-12-03, Mostly Cloudy. Mostly cloudy, with a low around 24. Southwest wind 11 to 14 mph, with gusts as high as 25 mph.- Thursday 2025-12-04, Partly Sunny. Partly sunny, with a high near 37. Southwest wind 11 to 14 mph, with gusts as high as 24 mph.
Thursday Night 2025-12-04, Chance Snow. A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 25.
Friday 2025-12-05, Chance Rain/Snow. A chance of snow before 11am, then a chance of rain and snow. Mostly cloudy, with a high near 40.
Friday Night 2025-12-05, Chance Rain/Snow. A chance of rain and snow. Mostly cloudy, with a low around 20.
Saturday 2025-12-06, Chance Snow. A chance of snow. Mostly cloudy, with a high near 35.- Saturday Night 2025-12-06, Chance Snow. A chance of snow. Mostly cloudy, with a low around 17.
- Sunday 2025-12-07, Slight Chance Snow. A slight chance of snow. Partly sunny, with a high near 34.