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      Elev 3779 ft, 45.945 °N 108.697 °W

      Acton, MT

      Updated: 12:42 AM MDT on September 17, 2026 (GMT -6)
      just now
      59°
      51°
      54
      Feels Like 54
      Partly Cloudy
      N
      8
      Similar 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
        Thu 09/17
        Low 45°f
        2% Precip. / 0 in
        A few clouds. Low around 45F. Winds N at 5 to 10 mph.
        Tomorrow
        Fri 09/18
        High 75°f
        5% Precip. / 0 in
        Partly cloudy skies. High near 75F. Winds SE at 5 to 10 mph.
        Tomorrow night
        Fri 09/18
        Low 56°f
        3% Precip. / 0 in
        Partly cloudy. Low 56F. Winds NW at 5 to 10 mph.
        Hourly Forecast
        Now
        52°
        1AM
        52°
        2AM
        51°
        3AM
        50°
        4AM
        49°
        5AM
        47°
        6AM
        47°
        6:55AM
        Sunrise
        7AM
        46°
        8AM
        48°
        9AM
        52°
        10AM
        55°
        11AM
        59°
        12PM
        63°
        1PM
        66°
        2PM
        69°
        3PM
        71°
        4PM
        73°
        5PM
        73°
        6PM
        73°
        7PM
        70°
        7:22PM
        Sunset
        8PM
        68°
        9PM
        67°
        10PM
        65°
        11PM
        64°
        12AM
        62°
        Additional Conditions
        1. Pressure 30.21 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point41°F
        5. Humidity 65%
        6. Rainfall 0 in
        7. Snow Depth 0 in
        KBIL Station History
        Almanac for September 17, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 59°F 74°F 91°F 2009
        4. Low 51°F 48°F 26°F 1965
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.2 in -
        7. Snow 0 in 0 in -
        Almanac for September 18, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 70°F 73°F 92°F
        4. Low 51°F 48°F 28°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:55 AM 7:21 PM
        3. Civil Twilight 6:25 AM 7:51 PM
        4. Nautical Twilight 5:50 AM 8:26PM
        5. Astronomical Twilight 5:13 AM 9:03 PM
        1. Length of Visible Light 13h 25m
        2. Length of Day 12h 26m
        3. Tomorrow will be 3 minutes 12 seconds shorter
        1. Moon 2:25 PM 10:18 PM
        2. Waxing Crescent40% 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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        Weather Alerts
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