Airport Weather › DEC

DEC Weather: METAR, TAF and Runway Winds

Decatur Airport, Decatur, IL · KDEC

Current weather at Decatur Airport in Decatur, IL (IATA DEC, ICAO KDEC): the latest observation puts the airport in MVFR (marginal visual flight rules) conditions, wind 250° at 11 kt. Below are the latest METAR and TAF from the NOAA Aviation Weather Center, decoded into plain English, and the headwind and crosswind on each runway.

DEC airport info DEC NOTAMs

Current conditions (METAR)

MVFRObserved at on Nov 5, 22 minutes ago
  • Wind: from the west-southwest (250° true) at 11 knots.
  • Visibility: 10 miles or more.
  • Weather: no rain, snow, fog or other weather reported.
  • Clouds: scattered clouds at 1,300 ft, overcast at 2,000 ft; the ceiling is 2,000 ft above the ground.
  • Temperature: 9°C (49°F), dew point 8°C (46°F).
  • Altimeter: 29.82 inHg (1010 hPa).
SPECI KDEC 051303Z 25011KT 10SM SCT013 OVC020 09/08 A2982 RMK AO2 T00940078

Runway winds

Components for the current wind, 250° at 11 kt. Headings are true, as METAR winds are; the most-headwind runway ends are marked, among runways at least half as long as the longest.

RunwayHeading (true)HeadwindCrosswindLength
06059°Tailwind 11 kt2 kt from the left8,496 ft
24 Most headwind239°11 kt2 kt from the right8,496 ft
12119°Tailwind 7 kt8 kt from the right6,799 ft
30299°7 kt8 kt from the left6,799 ft
18179°4 kt10 kt from the right5,298 ft
36359°Tailwind 4 kt10 kt from the left5,298 ft

Forecast (TAF)

Issued , valid to 

TAF KDEC 051156Z 0512/0612 24010KT P6SM SCT015 BKN035 FM051400 25012G20KT P6SM OVC018 FM060000 27012KT 6SM -SHRA SCT009 OVC012 TEMPO 0601/0605 4SM -SHRA BR OVC009 FM060500 32012KT P6SM SCT009 OVC012
  1. to
    Wind 240° at 10 kt; visibility 6 miles or more; scattered clouds at 1,500 ft, broken clouds at 3,500 ft.
  2. From (until )
    Wind 250° at 12 kt, gusting 20 kt; visibility 6 miles or more; overcast at 1,800 ft.
  3. From (until )
    Wind 270° at 12 kt; visibility 6 miles; light rain showers; scattered clouds at 900 ft, overcast at 1,200 ft.
  4. Temporarily, to
    Visibility 4 miles; light rain showers, mist; overcast at 900 ft.
  5. From (until )
    Wind 320° at 12 kt; visibility 6 miles or more; scattered clouds at 900 ft, overcast at 1,200 ft.

Airport diagram

FAA airport diagram of Decatur Airport (DEC). The official FAA PDF below has the full detail.

Official FAA PDF (effective Oct 29 to Nov 26)

FAA airport diagram, cycle 2611, effective Oct 29 to Nov 26, 2026. Reference only, not for navigation.

FBOs and services

FBOs

FBO locations from OpenStreetMap, community-maintained and may be out of date. Call ahead to confirm services and hours.

Not listed? The FBO may not be in OpenStreetMap. Send a correction.

Data © OpenStreetMap contributors (ODbL), as of Nov 3, 2026.

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Times are UTC (Z); the time after a slash is the local time at the airport. Weather and runway data come from the NOAA Aviation Weather Center (aviationweather.gov) and are refreshed here every few minutes; the plain-English summaries are generated by cwsi.net and may simplify, so the raw METAR and TAF are authoritative. Runway headings are true, worked out from NOAA's runway alignment. cwsi.net is not affiliated with NOAA or the FAA: get an official weather briefing before flight.

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