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      Elev 591 ft, 39.846 °N 88.947 °W

      Decatur, IL

      Alternative Education Building Station73°
      Updated: 8:58 AM CDT on October 12, 2026 (GMT -5)
      6 minutes ago
      90°
      64°
      73
      Feels Like 73
      Sunny
      N
      10
      Gusts 19 mph
      Higher temperature is expected today
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       Wundermap
      50
      50
      575
      90
      50
      7
      0 mph
      50
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      50
      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Today
        Mon 10/12
        High 90°f
         1% Precip. / 0 in
        Abundant sunshine. Near record high temperatures. High near 90F. Winds SW at 10 to 20 mph.
        Tonight
        Mon 10/12
        Low 68°f
         2% Precip. / 0 in
        Partly cloudy skies. Low 68F. Winds SW at 10 to 15 mph.
        Tomorrow
        Tue 10/13
        High 92°f66°f
         6% Precip. / 0 in
        Sunny. Near record high temperatures. High 92F. Winds WSW at 10 to 15 mph.
        Hourly Forecast
        Now
        70°
        9AM
        70°
        10AM
        76°
        11AM
        81°
        12PM
        84°
        1PM
        86°
        2PM
        88°
        3PM
        89°
        4PM
        89°
        5PM
        88°
        6PM
        85°
        6:20PM
        Sunset
        7PM
        81°
        8PM
        78°
        9PM
        77°
        10PM
        75°
        11PM
        75°
        12AM
        74°
        1AM
        74°
        2AM
        73°
        3AM
        71°
        4AM
        71°
        5AM
        70°
        6AM
        69°
        7AM
        69°
        7:04AM
        Sunrise
        8AM
        70°
        Precipitation
        2%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        54
        Moderate
        UV Index
        1
        Low
        Additional Conditions
        1. Pressure 29.95 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point60°F
        5. Humidity 71%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KDEC Station History
        Almanac for October 12, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 90°F 67°F 92°F 1962
        4. Low 64°F 47°F 20°F 1987
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.4 in -
        7. Snow 0 in 0 in -
        Almanac for October 13, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 92°F 67°F 90°F
        4. Low 68°F 47°F 21°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:03 AM 6:20 PM
        3. Civil Twilight 6:36 AM 6:47 PM
        4. Nautical Twilight 6:04 AM 7:19PM
        5. Astronomical Twilight 5:33 AM 7:50 PM
        1. Length of Visible Light 12h 11m
        2. Length of Day 11h 17m
        3. Tomorrow will be 2 minutes 32 seconds shorter
        1. Moon 9:15 AM 7:03 PM
        2. Waxing Crescent4% 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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