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      Elev 591 ft, 39.846 °N 88.947 °W

      Decatur, IL

      Tue, Oct 27, 2026
      Tonight
      Mon 10/26
      Low 47°f
      2% Precip. / 0 in
      Partly cloudy skies. Low 47F. Winds light and variable.
      Tomorrow
      Tue 10/27
      High 74°f
      4% Precip. / 0 in
      Mainly cloudy. Warm. High 74F. Winds S at 5 to 10 mph.
      Sunrise 7:19 AM
      Sunset 5:59 PM
      Moonrise 6:43 PM
      Moonset 9:14 AM
      Waning Gibbous, 95% visible
      Hourly Forecast
      Now
      51°
      2AM
      51°
      3AM
      50°
      4AM
      50°
      5AM
      49°
      6AM
      48°
      7AM
      48°
      7:18AM
      Sunrise
      8AM
      50°
      9AM
      55°
      10AM
      61°
      11AM
      65°
      12PM
      69°
      1PM
      71°
      2PM
      72°
      3PM
      72°
      4PM
      72°
      5PM
      71°
      5:59PM
      Sunset
      6PM
      68°
      7PM
      63°
      8PM
      59°
      9PM
      58°
      10PM
      57°
      11PM
      56°
      12AM
      55°
      1AM
      55°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      2:00 am
      Partly Cloudy
      51°F 51°F 2% 0in 34% 46°F 84% 1 mph ESE 30.24in
      3:00 am
      Partly Cloudy
      50°F 50°F 2% 0in 39% 46°F 87% 1 mph ESE 30.24in
      4:00 am
      Partly Cloudy
      50°F 50°F 2% 0in 55% 46°F 87% 1 mph SE 30.24in
      5:00 am
      Mostly Cloudy
      49°F 49°F 2% 0in 70% 47°F 93% 2 mph SSE 30.25in
      6:00 am
      Mostly Cloudy
      48°F 48°F 2% 0in 67% 47°F 93% 2 mph SSE 30.25in
      7:00 am
      Mostly Cloudy
      48°F 48°F 2% 0in 75% 46°F 93% 3 mph SSE 30.25in
      8:00 am
      Mostly Cloudy
      50°F 50°F 2% 0in 75% 47°F 90% 3 mph SSE 30.26in
      9:00 am
      Mostly Cloudy
      55°F 55°F 4% 0in 75% 50°F 81% 3 mph S 30.26in
      10:00 am
      Mostly Cloudy
      61°F 61°F 2% 0in 66% 51°F 69% 5 mph S 30.26in
      11:00 am
      Mostly Cloudy
      65°F 65°F 0% 0in 78% 50°F 57% 7 mph S 30.25in
      12:00 pm
      Cloudy
      69°F 69°F 0% 0in 81% 49°F 50% 8 mph S 30.24in
      1:00 pm
      Cloudy
      71°F 71°F 0% 0in 81% 48°F 44% 9 mph S 30.22in
      2:00 pm
      Cloudy
      72°F 72°F 0% 0in 85% 46°F 40% 9 mph S 30.19in
      3:00 pm
      Cloudy
      72°F 72°F 0% 0in 93% 46°F 39% 10 mph S 30.18in
      4:00 pm
      Cloudy
      72°F 72°F 0% 0in 88% 46°F 39% 9 mph SSW 30.18in
      5:00 pm
      Cloudy
      71°F 71°F 0% 0in 96% 46°F 42% 7 mph S 30.17in
      6:00 pm
      Cloudy
      68°F 68°F 0% 0in 93% 47°F 47% 6 mph S 30.18in
      7:00 pm
      Mostly Cloudy
      63°F 63°F 1% 0in 77% 48°F 58% 5 mph S 30.19in
      8:00 pm
      Cloudy
      59°F 59°F 2% 0in 81% 48°F 66% 4 mph S 30.19in
      9:00 pm
      Mostly Cloudy
      58°F 58°F 1% 0in 78% 48°F 68% 4 mph S 30.19in
      10:00 pm
      Mostly Cloudy
      57°F 57°F 2% 0in 70% 48°F 72% 4 mph S 30.19in
      11:00 pm
      Mostly Cloudy
      56°F 56°F 2% 0in 77% 48°F 74% 4 mph S 30.2in
      Additional Conditions
      1. Pressure 30.24 in
      2. Visibility 9 miles
      3. Clouds Clear
      4. Dew Point46°F
      5. Humidity 83%
      6. Rainfall 0 in
      7. Snow Depth 0 in
      KDEC Station History
      Almanac for October 27, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 73°F 60°F 87°F 1927
      4. Low 47°F 42°F 19°F 1925
      5. Rain/Snow Depth
      6. Precipitation 0 in 4.2 in -
      7. Snow 0 in 0 in -
      Almanac for October 28, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 77°F 60°F 87°F
      4. Low 50°F 41°F 19°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 7:19 AM 5:59 PM
      3. Civil Twilight 6:51 AM 6:27 PM
      4. Nautical Twilight 6:19 AM 6:59PM
      5. Astronomical Twilight 5:48 AM 7:30 PM
      1. Length of Visible Light 11h 35m
      2. Length of Day 10h 40m
      3. Tomorrow will be 2 minutes 22 seconds shorter
      1. Moon 6:43 PM 9:14 AM
      2. Waning Gibbous95% 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