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      Elev 722 ft, 40.309 °N 89.129 °W

      McLean, IL

      McLean Station72°
      Updated: 5:20 PM CDT on September 30, 2026 (GMT -5)
      just now
      75°
      62°
      72
      Feels Like 72
      Mostly Cloudy
      N
      3
      Higher temperature is expected tomorrow
      Wundermap
      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
        Wed 09/30
        Low 69°f
         8% Precip. / 0 in
        Cloudy skies. Low 69F. Winds S at 10 to 15 mph.
        Tomorrow
        Thu 10/01
        High 81°f
         84% Precip. / 0.36 in
        Cloudy with rain developing later in the day. High 81F. Winds SW at 10 to 15 mph. Chance of rain 80%. Rainfall near a quarter of an inch. Locally heavy rainfall possible.
        Tomorrow night
        Thu 10/01
        Low 56°f
         94% Precip. / 0.53 in
        A steady rain in the evening. Showers continuing late. Low 56F. Winds N at 10 to 15 mph. Chance of rain 90%. Rainfall near a half an inch. Locally heavy rainfall possible.
        Hourly Forecast
        Now
        72°
        6PM
        72°
        6:40PM
        Sunset
        7PM
        70°
        8PM
        70°
        9PM
        74°
        10PM
        74°
        11PM
        74°
        12AM
        74°
        1AM
        74°
        2AM
        73°
        3AM
        73°
        4AM
        73°
        5AM
        73°
        6AM
        73°
        6:53AM
        Sunrise
        7AM
        73°
        8AM
        73°
        9AM
        75°
        10AM
        78°
        11AM
        80°
        12PM
        49%
        81°
        1PM
        73%
        79°
        2PM
        66%
        78°
        3PM
        72%
        77°
        4PM
        77%
        76°
        5PM
        72%
        75°
        Precipitation
        77%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        52
        Moderate
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.84 in
        2. Visibility 10 miles
        3. Clouds Mostly Cloudy
        4. Dew Point63°F
        5. Humidity 72%
        6. Rainfall 0.13 in
        7. Snow Depth 0 in
         KAAA Station History
        Almanac for September 30, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 75°F 74°F 93°F 1952
        4. Low 62°F 48°F 27°F 1912
        5. Rain/Snow Depth
        6. Precipitation 0 in 2.9 in -
        7. Snow 0 in - in -
        Almanac for October 1, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 81°F 74°F 91°F
        4. Low 62°F 47°F 28°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:52 AM 6:40 PM
        3. Civil Twilight 6:24 AM 7:07 PM
        4. Nautical Twilight 5:53 AM 7:38PM
        5. Astronomical Twilight 5:21 AM 8:10 PM
        1. Length of Visible Light 12h 42m
        2. Length of Day 11h 48m
        3. Tomorrow will be 2 minutes 38 seconds shorter
        1. Moon 8:47 PM 11:35 AM
        2. Waning Gibbous77% of the Moon is Illuminated
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Oct 25
        Full Moon
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