7-Day Forecast 45.28°N 111.32°W (Text-Only)
NWS Forecast for: Big Sky MT
Issued by: National Weather Service Great Falls, MT
Last Update: 10:25 am MDT Jul 13, 2025


This Afternoon: Sunny, with a high near 31. West northwest wind 5 to 10 km/h.

Tonight: Mostly clear, with a low around 12. West northwest wind 5 to 8 km/h becoming calm in the evening.

Monday: A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 31. Light and variable wind becoming west 9 to 14 km/h in the afternoon. Winds could gust as high as 32 km/h.

Monday Night: A chance of showers and thunderstorms before 3am, then a slight chance of showers. Mostly cloudy, with a low around 9. West northwest wind 5 to 14 km/h becoming north after midnight. Winds could gust as high as 34 km/h. Chance of precipitation is 40%.

Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 21. Light north wind increasing to 6 to 11 km/h in the afternoon. Winds could gust as high as 29 km/h. Chance of precipitation is 70%.

Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 6. North northeast wind 6 to 11 km/h becoming light north after midnight. Winds could gust as high as 32 km/h. Chance of precipitation is 50%.

Wednesday: A 30 percent chance of showers, mainly after noon. Partly sunny, with a high near 22. Calm wind becoming northwest 5 to 10 km/h in the afternoon.

Wednesday Night: Mostly clear, with a low around 6. North northwest wind 5 to 10 km/h becoming calm after midnight.

Thursday: A slight chance of showers after noon. Sunny, with a high near 27.

Thursday Night: Mostly clear, with a low around 8.

Friday: A slight chance of showers. Mostly sunny, with a high near 28.

Friday Night: Mostly clear, with a low around 9.

Saturday: Sunny, with a high near 29.



Big Sky MT
 45.28°N 111.32°W (Elev. 6752 m)

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