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 66°F 2025-06-16T21:15:00 
Tonight 2025-06-16, Partly Cloudy. Partly cloudy, with a low around 49. South southwest wind 3 to 6 mph.Tuesday 2025-06-17, Sunny then Slight Chance Showers. A 20 percent chance of showers after noon. Mostly sunny, with a high near 83. Southwest wind 5 to 8 mph.
Tuesday Night 2025-06-17, Mostly Clear. Mostly clear, with a low around 49. West southwest wind 5 to 8 mph.
Wednesday 2025-06-18, Sunny. Sunny, with a high near 86. Southwest wind 6 to 13 mph, with gusts as high as 22 mph.- Wednesday Night 2025-06-18, Mostly Clear. Mostly clear, with a low around 50. Southwest wind 5 to 14 mph, with gusts as high as 22 mph.
Juneteenth 2025-06-19, Sunny. Sunny, with a high near 86. Southwest wind 5 to 9 mph.
Thursday Night 2025-06-19, Chance Showers. A 30 percent chance of showers. Mostly cloudy, with a low around 54. Northeast wind 5 to 13 mph becoming south southwest after midnight. Winds could gust as high as 20 mph.
Friday 2025-06-20, Showers Likely. A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 81. Light and variable wind becoming northeast 5 to 10 mph in the morning.
Friday Night 2025-06-20, Showers. Showers and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 51.- Saturday 2025-06-21, Showers Likely. A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 69.
- Saturday Night 2025-06-21, Showers Likely. Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 41.
- Sunday 2025-06-22, Showers Likely. Showers likely. Mostly cloudy, with a high near 59.
Sunday Night 2025-06-22, Slight Chance Showers then Partly Cloudy. A slight chance of showers. Partly cloudy, with a low around 39.
Monday 2025-06-23, Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms. Mostly sunny, with a high near 71.