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      Elev 591 ft, 39.846 °N 88.947 °W

      Decatur, IL

      Alternative Education Building Station72°
      Updated: 7:17 AM CDT on October 16, 2026 (GMT -5)
      7 minutes ago
      57°
      43°
      72
      Feels Like 71
      Sunny
      N
      18
      Gusts 31 mph
      Lower temperature is expected today
      Wundermap

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       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
        Today
        Fri 10/16
        High 54°f
         24% Precip. / 0 in
        Cloudy skies. Windy this morning. Slight chance of a rain shower. High 54F. Winds NW at 20 to 30 mph.
        Tonight
        Fri 10/16
        Low 36°f
         5% Precip. / 0 in
        A few clouds. Low 36F. Winds N at 10 to 20 mph.
        Tomorrow
        Sat 10/17
        High 59°f36°f
         4% Precip. / 0 in
        Sunny skies. High 59F. Winds N at 5 to 10 mph.
        Hourly Forecast
        Now
        49°
        8AM
        48°
        9AM
        50°
        10AM
        51°
        11AM
        52°
        12PM
        53°
        1PM
        52°
        2PM
        53°
        3PM
        53°
        4PM
        54°
        5PM
        53°
        6PM
        52°
        6:14PM
        Sunset
        7PM
        51°
        8PM
        49°
        9PM
        47°
        10PM
        47°
        11PM
        46°
        12AM
        45°
        1AM
        44°
        2AM
        43°
        3AM
        41°
        4AM
        39°
        5AM
        38°
        6AM
        38°
        7AM
        37°
        Precipitation
        24%
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        19
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.11 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point40°F
        5. Humidity 72%
        6. Rainfall 0.58 in
        7. Snow Depth 0 in
         KDEC Station History
        Almanac for October 16, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 57°F 65°F 88°F 1938
        4. Low 43°F 46°F 27°F 1976
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.6 in -
        7. Snow 0 in 0 in -
        Almanac for October 17, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 59°F 65°F 89°F
        4. Low 36°F 45°F 25°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:07 AM 6:14 PM
        3. Civil Twilight 6:40 AM 6:42 PM
        4. Nautical Twilight 6:08 AM 7:13PM
        5. Astronomical Twilight 5:37 AM 7:44 PM
        1. Length of Visible Light 12h 1m
        2. Length of Day 11h 7m
        3. Tomorrow will be 2 minutes 31 seconds shorter
        1. Moon 1:10 PM 10:02 PM
        2. Waxing Crescent32% of the Moon is Illuminated
        Oct 18
        Waxing Half First Qtr
        Oct 25
        Full Moon
        Nov 1
        Waning Half Last Qtr
        Nov 9
        New Moon
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