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      Elev 3645 ft, 47.577 °N 111.225 °W

      Great Falls, MT

      Great Falls Station57°
      Updated: 6:40 PM MDT on September 11, 2026 (GMT -6)
      9 minutes ago
      59°
      45°
      57
      Feels Like 57
      Mostly Cloudy
      N
      2
      Similar temperature is expected tomorrow
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Tonight
        Sat 09/12
        Low 44°f
         10% Precip. / 0 in
        Cloudy skies. Low 44F. Winds NNE at 5 to 10 mph.
        Tomorrow
        Sun 09/13
        High 57°f
         18% Precip. / 0 in
        Cloudy. High 57F. Winds NE at 10 to 15 mph.
        Tomorrow night
        Sun 09/13
        Low 44°f
         9% Precip. / 0 in
        A few clouds from time to time. Low 44F. Winds NE at 10 to 15 mph.
        Hourly Forecast
        Now
        57°
        7PM
        56°
        7:45PM
        Sunset
        8PM
        54°
        9PM
        52°
        10PM
        50°
        11PM
        49°
        12AM
        49°
        1AM
        48°
        2AM
        48°
        3AM
        47°
        4AM
        47°
        5AM
        46°
        6AM
        46°
        6:58AM
        Sunrise
        7AM
        46°
        8AM
        45°
        9AM
        47°
        10AM
        49°
        11AM
        51°
        12PM
        52°
        1PM
        53°
        2PM
        55°
        3PM
        56°
        4PM
        56°
        5PM
        56°
        6PM
        56°
        Precipitation
        19%
        Pollen
        None
        Air Quality
        31
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.02 in
        2. Visibility 10 miles
        3. Clouds Mostly Cloudy
        4. Dew Point43°F
        5. Humidity 61%
        6. Rainfall 0.28 in
        7. Snow Depth 0 in
         KGFA Station History
        Almanac for September 12, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 59°F 73°F 92°F 1919
        4. Low 45°F 44°F 29°F 1949
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.3 in -
        7. Snow 0 in 0 in -
        Almanac for September 13, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 58°F 73°F 89°F
        4. Low 45°F 44°F 27°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:58 AM 7:42 PM
        3. Civil Twilight 6:27 AM 8:13 PM
        4. Nautical Twilight 5:50 AM 8:50PM
        5. Astronomical Twilight 5:11 AM 9:29 PM
        1. Length of Visible Light 13h 46m
        2. Length of Day 12h 44m
        3. Tomorrow will be 3 minutes 22 seconds shorter
        1. Moon 8:52 AM 8:03 PM
        2. Waxing Crescent2% of the Moon is Illuminated
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Precipitation
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