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      Elev 591 ft, 39.846 °N 88.947 °W

      Decatur, IL

      Sat, Oct 31, 2026
      Tonight
      Fri 10/30
      Low 53°f
      15% Precip. / 0 in
      Overcast. Slight chance of a rain shower. Low 53F. Winds E at 5 to 10 mph.
      Tomorrow
      Sat 10/31
      High 66°f
      3% Precip. / 0 in
      Cloudy. Warm. High 66F. Winds ESE at 5 to 10 mph.
      Sunrise 7:23 AM
      Sunset 5:54 PM
      Moonrise 11:04 PM
      Moonset 1:28 PM
      Waning Gibbous, 57% visible
      Hourly Forecast
      Now
      55°
      2AM
      54°
      3AM
      54°
      4AM
      54°
      5AM
      54°
      6AM
      54°
      7AM
      54°
      7:23AM
      Sunrise
      8AM
      54°
      9AM
      56°
      10AM
      58°
      11AM
      60°
      12PM
      62°
      1PM
      63°
      2PM
      64°
      3PM
      65°
      4PM
      65°
      5PM
      65°
      5:54PM
      Sunset
      6PM
      64°
      7PM
      60°
      8PM
      57°
      9PM
      57°
      10PM
      57°
      11PM
      57°
      12AM
      56°
      1AM
      57°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      1:00 am
      Partly Cloudy
      54°F 53°F 15% 0in 49% 45°F 72% 7 mph E 30.28in
      2:00 am
      Partly Cloudy
      54°F 52°F 15% 0in 57% 44°F 69% 7 mph E 30.29in
      3:00 am
      Cloudy
      54°F 52°F 15% 0in 80% 44°F 68% 7 mph E 30.29in
      4:00 am
      Cloudy
      54°F 52°F 15% 0in 99% 41°F 61% 7 mph E 30.28in
      5:00 am
      Cloudy
      54°F 52°F 15% 0in 99% 41°F 62% 7 mph E 30.29in
      6:00 am
      Cloudy
      54°F 52°F 1% 0in 98% 41°F 63% 7 mph ESE 30.3in
      7:00 am
      Cloudy
      54°F 52°F 1% 0in 100% 41°F 61% 6 mph ESE 30.3in
      8:00 am
      Cloudy
      54°F 52°F 1% 0in 99% 41°F 62% 6 mph E 30.32in
      9:00 am
      Cloudy
      56°F 54°F 1% 0in 99% 44°F 64% 7 mph ESE 30.32in
      10:00 am
      Cloudy
      58°F 57°F 0% 0in 91% 44°F 59% 9 mph ESE 30.32in
      11:00 am
      Cloudy
      60°F 59°F 0% 0in 96% 44°F 55% 9 mph ESE 30.32in
      12:00 pm
      Cloudy
      62°F 62°F 1% 0in 99% 44°F 51% 8 mph ESE 30.31in
      1:00 pm
      Cloudy
      63°F 63°F 3% 0in 99% 44°F 49% 7 mph ESE 30.29in
      2:00 pm
      Cloudy
      64°F 64°F 3% 0in 99% 43°F 46% 7 mph ESE 30.27in
      3:00 pm
      Cloudy
      65°F 65°F 1% 0in 99% 43°F 45% 8 mph ESE 30.27in
      4:00 pm
      Cloudy
      65°F 65°F 2% 0in 99% 43°F 44% 7 mph ESE 30.27in
      5:00 pm
      Cloudy
      65°F 65°F 1% 0in 98% 44°F 47% 6 mph ESE 30.27in
      6:00 pm
      Cloudy
      64°F 64°F 1% 0in 97% 44°F 49% 6 mph E 30.27in
      7:00 pm
      Cloudy
      60°F 59°F 4% 0in 98% 46°F 59% 7 mph E 30.27in
      8:00 pm
      Cloudy
      57°F 56°F 1% 0in 99% 46°F 65% 6 mph E 30.29in
      9:00 pm
      Cloudy
      57°F 56°F 15% 0in 97% 46°F 65% 6 mph E 30.29in
      10:00 pm
      Cloudy
      57°F 56°F 15% 0in 96% 46°F 66% 6 mph E 30.29in
      11:00 pm
      Cloudy
      57°F 55°F 15% 0in 96% 46°F 67% 6 mph ESE 30.28in
      Additional Conditions
      1. Pressure 30.29 in
      2. Visibility 10 miles
      3. Clouds Partly Cloudy
      4. Dew Point46°F
      5. Humidity 72%
      6. Rainfall 0.7 in
      7. Snow Depth 0 in
      KDEC Station History
      Almanac for October 31, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 65°F 58°F 85°F 1950
      4. Low 47°F 40°F 17°F 1925
      5. Rain/Snow Depth
      6. Precipitation 0 in 4.4 in -
      7. Snow 0 in - in -
      Almanac for November 1, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 67°F 57°F 82°F
      4. Low 53°F 40°F 19°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 7:23 AM 5:54 PM
      3. Civil Twilight 6:55 AM 6:22 PM
      4. Nautical Twilight 6:23 AM 6:54PM
      5. Astronomical Twilight 5:52 AM 7:25 PM
      1. Length of Visible Light 11h 27m
      2. Length of Day 10h 31m
      3. Tomorrow will be 2 minutes 17 seconds shorter
      1. Moon 11:04 PM 1:28 PM
      2. Waning Gibbous57% of the Moon is Illuminated
      Nov 1
      Waning Half Last Qtr
      Nov 9
      New Moon
      Nov 17
      Waxing Half First Qtr
      Nov 24
      Full Moon
      Nearby Weather Stations
      Station Location
      Temp
      Windchill
      Heat Index
      Dew Point
      Humidity
      Wind
      Precip.
      Elev.
      Updated
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      Level Access
      Glossary