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      Flood Watch
      until 7:00 AM CDT
      Elev 623 ft, 41.728 °N 88.344 °W

      Montgomery, IL

      Montgomery Station69°
      Updated: 11:45 PM CDT on September 19, 2026 (GMT -5)
      7 minutes ago
      71°
      62°
      69
      Feels Like 69
      Fog
      N
      4
      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 09/19
        Low 65°f
         100% Precip. / 0.85 in
        Thunderstorms. Storms may contain strong gusty winds. Low near 65F. Winds light and variable. Chance of rain 100%.
        Tomorrow
        Sun 09/20
        High 67°f
         89% Precip. / 0.56 in
        Thunderstorms in the morning, overcast during the afternoon with occasional rain. High 67F. Winds NE at 10 to 20 mph. Chance of rain 90%.
        Tomorrow night
        Sun 09/20
        Low 57°f
         24% Precip. / 0 in
        Overcast. Low 57F. Winds ENE at 10 to 20 mph.
        Hourly Forecast
        Now
        69°
        12AM
        52%
        69°
        1AM
        68%
        69°
        2AM
        99%
        68°
        3AM
        100%
        68°
        4AM
        100%
        68°
        5AM
        96%
        67°
        6AM
        69%
        67°
        6:39AM
        Sunrise
        7AM
        82%
        66°
        8AM
        74%
        66°
        9AM
        57%
        67°
        10AM
        89%
        67°
        11AM
        88%
        67°
        12PM
        78%
        66°
        1PM
        71%
        66°
        2PM
        71%
        66°
        3PM
        47%
        66°
        4PM
        56%
        65°
        5PM
        37%
        65°
        6PM
        65°
        6:54PM
        Sunset
        7PM
        64°
        8PM
        63°
        9PM
        63°
        10PM
        63°
        11PM
        63°
        Precipitation
        100%
        Thunderstorms likely to continue
        Pollen
        Ragweed Pollen
        Low
        Air Quality
        63
        Moderate
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.88 in
        2. Visibility 1.5 miles
        3. Clouds Cloudy
        4. Dew Point69°F
        5. Humidity 100%
        6. Rainfall 1.71 in
        7. Snow Depth 0 in
         KARR Station History
        Almanac for September 20, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 71°F 75°F 91°F 1940
        4. Low 62°F 54°F 29°F 1956
        5. Rain/Snow Depth
        6. Precipitation 0.85 in 3.1 in -
        7. Snow 0 in 0 in -
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 70°F 74°F 93°F
        4. Low 62°F 53°F 36°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:38 AM 6:53 PM
        3. Civil Twilight 6:11 AM 7:21 PM
        4. Nautical Twilight 5:38 AM 7:54PM
        5. Astronomical Twilight 5:05 AM 8:27 PM
        1. Length of Visible Light 13h 10m
        2. Length of Day 12h 15m
        3. Tomorrow will be 2 minutes 45 seconds shorter
        1. Moon 4:02 PM 12:02 AM
        2. Waxing Gibbous68% 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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