I-15 weather conditions near Great Falls, Montana
Roadnow AI Agent Live Update
Seasoned Weather Conditions
Current Weather Conditions
click anywhere on map to change location
7 day weather forecast
Current condition: Mostly Cloudy 52°F 2026-05-04T20:15:00 Tonight 2026-05-04, Mostly Cloudy then Slight Chance Rain/Snow. A slight chance of rain and snow between 1am and 3am, then a slight chance of snow after 3am. Mostly cloudy, with a low around 33. Northeast wind 5 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Tuesday 2026-05-05, Slight Chance Snow then Chance Rain/Snow. A chance of snow before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 51. North wind 5 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday Night 2026-05-05, Decreasing Clouds. Mostly cloudy, then gradually becoming clear, with a low around 24. North wind 8 to 13 mph becoming light and variable. Winds could gust as high as 20 mph.
Wednesday 2026-05-06, Sunny. Sunny, with a high near 70. Southwest wind 5 to 11 mph, with gusts as high as 21 mph.Wednesday Night 2026-05-06, Partly Cloudy then Slight Chance Rain. A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 48. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Thursday 2026-05-07, Showers Likely. A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 68. West southwest wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.Thursday Night 2026-05-07, Slight Chance Rain then Mostly Cloudy. A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 45. Southwest wind 5 to 11 mph, with gusts as high as 18 mph.
Friday 2026-05-08, Mostly Cloudy then Slight Chance Rain. A slight chance of rain after noon. Partly sunny, with a high near 73. South southwest wind 5 to 10 mph, with gusts as high as 18 mph.
Friday Night 2026-05-08, Chance Rain. A chance of rain, mainly before midnight. Mostly cloudy, with a low around 46.
Saturday 2026-05-09, Chance Rain. A chance of rain. Mostly cloudy, with a high near 65.Saturday Night 2026-05-09, Chance Rain then Mostly Cloudy. A chance of rain. Mostly cloudy, with a low around 41.
Sunday 2026-05-10, Mostly Sunny. Mostly sunny, with a high near 72.- Sunday Night 2026-05-10, Partly Cloudy. Partly cloudy, with a low around 44.
- Monday 2026-05-11, Mostly Sunny. Mostly sunny, with a high near 78.