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: Partly Cloudy 67°F 2025-08-11T22:00:00 
Tonight 2025-08-11, Mostly Clear. Mostly clear, with a low around 57. East northeast wind 5 to 7 mph becoming calm after midnight.
Tuesday 2025-08-12, Sunny. Sunny, with a high near 91. Calm wind becoming west northwest 5 to 7 mph in the afternoon.- Tuesday Night 2025-08-12, Mostly Clear. Mostly clear, with a low around 60. West northwest wind 5 to 7 mph becoming south southwest after midnight.
Wednesday 2025-08-13, Sunny. Sunny, with a high near 94. Southwest wind 6 to 16 mph, with gusts as high as 26 mph.- Wednesday Night 2025-08-13, Mostly Clear. Mostly clear, with a low around 56. West wind 7 to 16 mph, with gusts as high as 26 mph.
- Thursday 2025-08-14, Sunny. Sunny, with a high near 81. West northwest wind 6 to 11 mph, with gusts as high as 21 mph.
- Thursday Night 2025-08-14, Partly Cloudy. Partly cloudy, with a low around 53. North wind 5 to 14 mph becoming south after midnight. Winds could gust as high as 22 mph.
Friday 2025-08-15, Mostly Sunny. Mostly sunny, with a high near 85. Light south southwest wind becoming west 5 to 9 mph in the afternoon.- Friday Night 2025-08-15, Partly Cloudy. Partly cloudy, with a low around 56.
- Saturday 2025-08-16, Sunny. Sunny, with a high near 87.
- Saturday Night 2025-08-16, Partly Cloudy. Partly cloudy, with a low around 58.
- Sunday 2025-08-17, Mostly Sunny. Mostly sunny, with a high near 87.
- Sunday Night 2025-08-17, Partly Cloudy. Partly cloudy, with a low around 57.
- Monday 2025-08-18, Mostly Sunny. Mostly sunny, with a high near 87.