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      Elev 1018 ft, 47.475 °N 111.330 °W

      Great Falls, MT

      Great Falls Station51°
      Updated: 2:41 AM MDT on September 20, 2026 (GMT -6)
      9 minutes ago
      66°
      54°
      51
      Feels Like 51
      Partly Cloudy
      N
      3
      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
        Tonight
        Sun 09/20
        Low 44°f
         2% Precip. / 0 in
        A few clouds. Low 44F. Winds light and variable.
        Tomorrow
        Mon 09/21
        High 73°f
         2% Precip. / 0 in
        Some clouds in the morning will give way to mainly sunny skies for the afternoon. High 73F. Winds light and variable.
        Tomorrow night
        Mon 09/21
        Low 45°f
         5% Precip. / 0 in
        Clear skies. Low around 45F. Winds SSE at 5 to 10 mph.
        Hourly Forecast
        Now
        54°
        3AM
        53°
        4AM
        51°
        5AM
        50°
        6AM
        47°
        7AM
        47°
        7:09AM
        Sunrise
        8AM
        49°
        9AM
        53°
        10AM
        57°
        11AM
        61°
        12PM
        64°
        1PM
        67°
        2PM
        69°
        3PM
        71°
        4PM
        71°
        5PM
        71°
        6PM
        71°
        7PM
        67°
        7:27PM
        Sunset
        8PM
        62°
        9PM
        59°
        10PM
        57°
        11PM
        54°
        12AM
        52°
        1AM
        51°
        2AM
        49°
        Precipitation
        4%
        Pollen
        None
        Air Quality
        42
        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 72%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KGTF Station History
        Almanac for September 20, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 66°F 70°F 93°F 1917
        4. Low 54°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 72°F 70°F 90°F
        4. Low 54°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 5:25 AM 9:11 PM
        1. Length of Visible Light 13h 18m
        2. Length of Day 12h 17m
        3. Tomorrow will be 3 minutes 24 seconds shorter
        1. Moon 5:01 PM 12:11 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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