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      Elev 722 ft, 40.309 °N 89.129 °W

      McLean, IL

      McLean Station86°
      Updated: 2:59 PM CDT on September 16, 2026 (GMT -5)
      2 minutes ago
      88°
      70°
      86
      Feels Like 95
      Partly Cloudy
      N
      3
      Same 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
        Today
        Thu 09/17
        High 88°f
         15% Precip. / 0 in
        Partly cloudy. Slight chance of a rain shower. High 88F. Winds light and variable.
        Tonight
        Thu 09/17
        Low 71°f
         24% Precip. / 0 in
        Some clouds. Low 71F. Winds light and variable.
        Tomorrow
        Fri 09/18
        High 89°f68°f
         24% Precip. / 0 in
        Partly cloudy skies. Slight chance of a rain shower. High 89F. Winds W at 5 to 10 mph.
        Hourly Forecast
        Now
        86°
        3PM
        86°
        4PM
        85°
        5PM
        84°
        6PM
        81°
        7PM
        79°
        7:03PM
        Sunset
        8PM
        77°
        9PM
        75°
        10PM
        74°
        11PM
        73°
        12AM
        73°
        1AM
        73°
        2AM
        73°
        3AM
        72°
        4AM
        72°
        5AM
        72°
        6AM
        72°
        6:39AM
        Sunrise
        7AM
        72°
        8AM
        74°
        9AM
        76°
        10AM
        78°
        11AM
        80°
        12PM
        82°
        1PM
        85°
        2PM
        86°
        Precipitation
        24%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        31
        Good
        UV Index
        4
        Moderate
        Additional Conditions
        1. Pressure 30.21 in
        2. Visibility 9 miles
        3. Clouds Partly Cloudy
        4. Dew Point73°F
        5. Humidity 64%
        6. Rainfall 1.64 in
        7. Snow Depth 0 in
         KAAA Station History
        Almanac for September 16, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 88°F 80°F 98°F 1939
        4. Low 70°F 53°F 31°F 1916
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.2 in -
        7. Snow 0 in 0 in -
        Almanac for September 17, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 89°F 79°F 98°F
        4. Low 70°F 53°F 34°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:38 AM 7:03 PM
        3. Civil Twilight 6:11 AM 7:30 PM
        4. Nautical Twilight 5:39 AM 8:02PM
        5. Astronomical Twilight 5:06 AM 8:35 PM
        1. Length of Visible Light 13h 19m
        2. Length of Day 12h 25m
        3. Tomorrow will be 2 minutes 38 seconds shorter
        1. Moon 12:37 PM 9:41 PM
        2. Waxing Crescent30% 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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