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      Flood Watch
      until 10:00 AM CDT
      Elev 925 ft, 42.151 °N 89.724 °W

      Shannon, IL

      Shannon Station64°
      Updated: 7:45 PM CDT on September 16, 2026 (GMT -5)
      5 minutes ago
      69°
      60°
      64
      Feels Like 64
      Cloudy
      N
      6
      Higher 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
        Thu 09/17
        Low 62°f
         82% Precip. / 0.75 in
        Rain and thunderstorms. Low 62F. Winds E at 5 to 10 mph. Chance of rain 80%. Locally heavy rainfall possible.
        Tomorrow
        Fri 09/18
        High 75°f
         74% Precip. / 0.06 in
        Showers and a possible thunderstorm in the morning will give way to cloudy skies late. High near 75F. Winds NNE at 5 to 10 mph. Chance of rain 70%.
        Tomorrow night
        Fri 09/18
        Low 61°f
         16% Precip. / 0 in
        Cloudy. Slight chance of a rain shower. Low 61F. Winds NE at 5 to 10 mph.
        Hourly Forecast
        Now
        64°
        8PM
        64°
        9PM
        63°
        10PM
        62°
        11PM
        69%
        64°
        12AM
        72%
        64°
        1AM
        64°
        2AM
        80%
        64°
        3AM
        59%
        64°
        4AM
        80%
        65°
        5AM
        81%
        65°
        6AM
        77%
        65°
        6:41AM
        Sunrise
        7AM
        74%
        65°
        8AM
        73%
        66°
        9AM
        67°
        10AM
        68°
        11AM
        71°
        12PM
        72°
        1PM
        73°
        2PM
        74°
        3PM
        74°
        4PM
        74°
        5PM
        74°
        6PM
        73°
        7PM
        72°
        Precipitation
        81%
        Thunderstorms possible after 11 PM
        Pollen
        None
        Air Quality
        17
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.25 in
        2. Visibility 7 miles
        3. Clouds Cloudy
        4. Dew Point64°F
        5. Humidity 100%
        6. Rainfall 0.01 in
        7. Snow Depth 0 in
         KFEP Station History
        Almanac for September 17, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 69°F 74°F 88°F 2018
        4. Low 60°F 51°F 34°F 1984
        5. Rain/Snow Depth
        6. Precipitation 0.75 in 3.2 in -
        7. Snow 0 in 0 in -
        Almanac for September 18, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 75°F 74°F 90°F
        4. Low 60°F 50°F 38°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:41 AM 7:04 PM
        3. Civil Twilight 6:13 AM 7:32 PM
        4. Nautical Twilight 5:40 AM 8:05PM
        5. Astronomical Twilight 5:06 AM 8:39 PM
        1. Length of Visible Light 13h 19m
        2. Length of Day 12h 23m
        3. Tomorrow will be 2 minutes 48 seconds shorter
        1. Moon 1:48 PM 10:18 PM
        2. Waxing Crescent39% 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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