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      Elev 3399 ft, 47.499 °N 111.274 °W

      Great Falls, MT

      Great Falls South SIde Station46°
      Updated: 6:56 AM MDT on September 20, 2026 (GMT -6)
      9 seconds ago
      75°
      49°
      46
      Feels Like 46
      Partly Cloudy
      N
      1
      Higher temperature is expected today
      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
        Today
        Mon 09/21
        High 75°f
         2% Precip. / 0 in
        Partly cloudy skies. High near 75F. Winds light and variable.
        Tonight
        Mon 09/21
        Low 46°f
         4% Precip. / 0 in
        Clear skies. Low 46F. Winds SSE at 5 to 10 mph.
        Tomorrow
        Tue 09/22
        High 81°f50°f
         4% Precip. / 0 in
        Sunny skies. High 81F. Winds light and variable.
        Hourly Forecast
        Now
        51°
        7AM
        50°
        7:09AM
        Sunrise
        8AM
        52°
        9AM
        57°
        10AM
        59°
        11AM
        63°
        12PM
        66°
        1PM
        69°
        2PM
        71°
        3PM
        72°
        4PM
        73°
        5PM
        73°
        6PM
        73°
        7PM
        69°
        7:26PM
        Sunset
        8PM
        65°
        9PM
        61°
        10PM
        59°
        11PM
        57°
        12AM
        55°
        1AM
        53°
        2AM
        52°
        3AM
        50°
        4AM
        49°
        5AM
        48°
        6AM
        48°
        Precipitation
        5%
        Pollen
        None
        Air Quality
        35
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.13 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point45°F
        5. Humidity 81%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KGFA Station History
        Almanac for September 20, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 75°F 70°F 93°F 1917
        4. Low 49°F 42°F 24°F 1995
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.1 in -
        7. Snow 0 in 0 in -
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 81°F 70°F 90°F
        4. Low 49°F 41°F 20°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:09 AM 7:26 PM
        3. Civil Twilight 6:38 AM 7:57 PM
        4. Nautical Twilight 6:02 AM 8:33PM
        5. Astronomical Twilight 5:24 AM 9:10 PM
        1. Length of Visible Light 13h 18m
        2. Length of Day 12h 17m
        3. Tomorrow will be 3 minutes 23 seconds shorter
        1. Moon 5:01 PM 12:10 AM
        2. Waxing Gibbous69% of the Moon is Illuminated
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Precipitation
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