KCPS / CPS — St Louis Downtown Airport

VFR

Small General Aviation Airport • Cahokia/St Louis, IL, United States

Elevation: 413 ft (126 m) • 38.5707, -90.1562

St Louis Downtown Airport (KCPS / CPS) is a small general aviation airport serving Cahokia/St Louis, IL, United States, situated at an elevation of 413 ft (126 m) above sea level. Local magnetic variation is 2.0° West. The airport has 6 runways, with the longest measuring 6,997 feet.

Aviation Visualizations

FLIGHT CATEGORY

VFRFlight CategoryVis >5SM, Ceiling >3000ft

WIND COMPASS

NESW4ktMagVar -2.0

CLOUD PROFILE

SFC3k6k9k12kClear 0ftCloud Profile

Current METAR

METAR KCPS 020953Z AUTO 02004KT 10SM CLR 18/14 A3015 RMK AO2 SLP205 T01780139 $
Category:
VFR
Wind:
020° at 4 knots
Visibility:
10SM
Temp/Dew:
18°C / 14°C
Altimeter:
30.15 inHg

TAF Forecast

TAF KCPS 020520Z 0206/0306 VRB03KT P6SM FEW250 
  FM021500 07011KT P6SM FEW250

Runways

Designator Length Width Surface Heading
05 2,799 ft 75 ft ASPH-F 47°
12L 3,800 ft 75 ft Concrete 122°
12R 6,997 ft 100 ft Asphalt 122°
23 2,799 ft 75 ft ASPH-F 227°
30L 6,997 ft 100 ft Asphalt 302°
30R 3,800 ft 75 ft Concrete 302°

Nearby Airports

KSTL
St. Louis Lambert International Airport
St Louis • 27 km
KBLV
Scott AFB/Midamerica Airport
Belleville • 28 km
KALN
St Louis Regional Airport
Alton/St Louis • 37 km
KSUS
Spirit of St Louis Airport
St Louis • 44 km
KSET
St Charles County Regional Airport/Smartt Field
St Charles • 46 km
KSAR
Sparta Community Airport - Hunter Field
Sparta • 62 km
KGRE
Greenville Airport
Greenville • 74 km
KENL
Centralia Municipal Airport
Centralia • 93 km

Official Aviation Resources

FAA
Regulations & ATC info
1800wxBrief
Free preflight briefing
Aviation Weather Center
Forecasts & PIREPs
OurAirports
Charts, frequencies & data

Understanding Aviation Weather

METAR (Meteorological Aerodrome Report) is the standard format for reporting current weather conditions at airports worldwide. Issued every 30–60 minutes, it includes wind direction and speed, visibility, sky condition and cloud heights, temperature, dewpoint, and altimeter setting. Special METARs (SPECI) are issued when conditions change significantly.

TAF (Terminal Aerodrome Forecast) provides a weather forecast for the area within 5 nautical miles of an airport, valid for 24–30 hours. Issued every 6 hours by national weather services, TAFs use FM (from), TEMPO (temporary), BECMG (becoming), and PROB (probability) groups to describe changing conditions.

Flight Categories: VFR ceiling >3,000 ft & vis >5 SM   MVFR 1,000–3,000 ft or 3–5 SM   IFR 500–1,000 ft or 1–3 SM   LIFR <500 ft or <1 SM

Disclaimer: Weather data is sourced from official aviation weather services and may be delayed. Always verify conditions through official channels before flight. For informational purposes only.