7-Day Forecast 48.6°N 109.23°W (Text-Only)
NWS Forecast for: Chinook MT
Issued by: National Weather Service Great Falls, MT
Last Update: 2:12 pm MDT Jul 12, 2025
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  • Tonight

    Tonight: Mostly clear, with a low around 58. North northwest wind 5 to 10 mph becoming light and variable.

    Low: 58 °F

    Mostly Clear


  • Sunday

    Sunday: Sunny, with a high near 92. East wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 18 mph.

    High: 92 °F

    Sunny


  • Sunday
    Night

    Sunday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 58. West northwest wind 7 to 10 mph becoming east northeast in the evening.  Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers after noon.  Mostly sunny, with a high near 81. East northeast wind 6 to 13 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 81 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday
    Night

    Monday Night: Showers likely and possibly a thunderstorm.  Cloudy, with a low around 51. North northeast wind 9 to 15 mph, with gusts as high as 24 mph.  Chance of precipitation is 70%.

    Low: 51 °F

    Showers
    Likely

  • Tuesday

    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 61. Northeast wind 8 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%.

    High: 61 °F

    Showers
    Likely

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 48. East wind 6 to 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 40%.

    Low: 48 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers.  Partly sunny, with a high near 67. East wind 6 to 9 mph.

    High: 67 °F

    Slight Chance
    Showers

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear


  • Tonight: Mostly clear, with a low around 58. North northwest wind 5 to 10 mph becoming light and variable.

    Sunday: Sunny, with a high near 92. East wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 18 mph.

    Sunday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 58. West northwest wind 7 to 10 mph 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 81. East northeast wind 6 to 13 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    Monday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 51. North northeast wind 9 to 15 mph, with gusts as high as 24 mph. 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 61. Northeast wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 48. East wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.

    Wednesday: A slight chance of showers. Partly sunny, with a high near 67. East wind 6 to 9 mph.

    Wednesday Night: Mostly clear, with a low around 45.

    Thursday: Mostly sunny, with a high near 76.

    Thursday Night: Partly cloudy, with a low around 51.

    Friday: Mostly sunny, with a high near 81.

    Friday Night: Mostly clear, with a low around 54.

    Saturday: Sunny, with a high near 88.



    Chinook MT
     48.6°N 109.23°W (Elev. 2408 ft)

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