| NWS Forecast for: Chinook MT Issued by: National Weather Service Great Falls, MT Last Update: 2:12 pm MDT Jul 12, 2025 | |
| Tonight: Mostly clear, with a low around 14. North northwest wind 11 to 16 km/h becoming southeast 5 to 10 km/h after midnight. Sunday: Sunny, with a high near 33. East wind 8 to 16 km/h becoming west in the afternoon. Winds could gust as high as 29 km/h. Sunday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 14. West northwest wind 11 to 16 km/h becoming east northeast in the evening. Chance of precipitation is 20%. Monday: A 30 percent chance of showers after noon. Mostly sunny, with a high near 27. East northeast wind 10 to 15 km/h becoming north 16 to 21 km/h in the afternoon. Winds could gust as high as 32 km/h. Monday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 11. North northeast wind 14 to 24 km/h, with gusts as high as 39 km/h. Chance of precipitation is 70%. Tuesday: Showers likely and possibly a thunderstorm before 9am, then showers likely between 9am and 3pm, then showers likely and possibly a thunderstorm after 3pm. Cloudy, with a high near 16. Northeast wind 13 to 18 km/h, with gusts as high as 32 km/h. Chance of precipitation is 60%. Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 9. East wind 10 to 16 km/h, with gusts as high as 29 km/h. Chance of precipitation is 40%. Wednesday: A slight chance of showers. Partly sunny, with a high near 19. East wind 10 to 14 km/h. Wednesday Night: Mostly clear, with a low around 7. Thursday: Mostly sunny, with a high near 24. Thursday Night: Partly cloudy, with a low around 11. Friday: Mostly sunny, with a high near 27. Friday Night: Mostly clear, with a low around 12. Saturday: Sunny, with a high near 31. | |
| Chinook MT 48.6°N 109.23°W (Elev. 2408 m) | |
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