US
KCPS
Current Weather

St Louis Downtown Airport

KCPS / CPS

Cahokia/St Louis, US

Last Updated

Sep 16, 02:53 UTC

Current Weather

Display Units

Time

Temp

Wind

Last Updated

02:53Z

🌙 Night

VFR

Flight Rules

21°C

Temperature

Dewpoint: 18°C

0kt

0°

10 SM

Visibility

∞

Ceiling

Unlimited

30.08

QNH (inHg)

Altimeter Setting

Raw METAR

METAR KCPS 160253Z 00000KT 10SM CLR 21/18 A3008 RMK AO2 SLP183 6//// T02110183 51009 PNO $

Altimeter Settings & Pressure Information

QNH

30.08 inHg

Sea Level Pressure

For altitude above MSL

QFE

29.67 inHg

Field Pressure

Height above aerodrome (413 ft)

Pressure Alt

253 ft

QNE Reference

Standard: 29.92 inHg

Density Altitude: 1,072 ft

ISA Deviation: +6.8°C

Forecast (TAF)

View Full TAF

Raw TAF

TAF KCPS 152323Z 1600/1624 VRB04KT P6SM OVC250 FM161800 06005KT P6SM FEW080

Upcoming Changes (Next 12 Hours)

03:37Z BASE

+0h

VFR VRB 4kt

Visibility: >6SM

Ceiling: 25,000ft

24-Hour Weather Evolution

Loading weather data...

Data Sources

• Current conditions from METAR observations
• Historical data from past 24 hours
• No forecast or predicted data included
• Data updated with each new METAR report

Chart Features

• Hover for exact values and timestamps
• Click legend items to toggle data series
• Zoom and pan for detailed analysis
• Units automatically converted to preferences

Note: Future values beyond current TAF validity are estimates based on climatological data and trends. Always verify with current forecasts before flight operations.

Airport Runway Layout

↑

CPS

12L

30R

12R

30L

Runway Information

Runway	Length	Width	Surface	Heading	Wind Component
05/23	2,799 ft	75 ft	ASPH-F	47°	↑ 0.0kt • ↔ 0.0kt 47° angle
12L/30R	3,800 ft	75 ft	CON	122°	↑ 0.0kt • ↔ 0.0kt 122° angle
12R/30L	6,997 ft	100 ft	ASP	122°	↑ 0.0kt • ↔ 0.0kt 122° angle

🟢 Active Runway: Best headwind component for current conditions

⬆️ Headwind: Favorable wind component

↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

St Louis Downtown Airport - Airport Information

Airport Details

ICAO Code: KCPS

IATA Code: CPS

Type: small airport

Status: active

Elevation: 413 ft MSL

Location

City: Cahokia/St Louis

Country: US

Latitude: 38.570702°

Longitude: -90.156197°

Time Zone: Etc/GMT6

Runway Information

Runway 05/23

Length: 2,799 ft

Width: 75 ft

Surface: ASPH-F

ILS: No

Runway 12L/30R

Length: 3,800 ft

Width: 75 ft

Surface: CON

ILS: No

Runway 12R/30L

Length: 6,997 ft

Width: 100 ft

Surface: ASP

ILS: No

Aeronautical Information Publication (AIP)

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Resources for Pilots

Weather Data

Current conditions and forecasts

• Real-time METAR reports

• Extended TAF forecasts

• Flight rules assessment

Charts & Navigation

Essential aviation charts

• Visual approach charts

• Instrument procedures

• Airport diagrams

Operations

Airport operational data

• Operating hours: 24/7

• Ground handling available

• Fuel services available

About St Louis Downtown Airport

St Louis Downtown Airport (KCPS/CPS) is a general aviation airport and airfield located in Cahokia/St Louis, US. The facility operates at an elevation of 413 feet above sea level and primarily serves private aircraft, flight training, and general aviation activities.

The facility features 3 runways (05/23, 12L/30R, 12R/30L) with ASPH-F and CON and ASP surfaces . Weather services provide regular METAR reports and TAF forecasts to ensure safe flight operations in all conditions.

Pilots can access comprehensive weather data, including current conditions, extended forecasts, and flight rules analysis. The airport information displayed here includes runway details, operational data, and essential resources for flight planning and execution. All weather data is updated regularly to provide the most current information for aviation decision-making.

Data Sources & Accuracy: Airport information sourced from OurAirports.com, a collaborative database of worldwide airport data. Weather data from official aviation weather services including NOAA Aviation Weather Center and international METAR/TAF providers. Information is updated regularly but pilots should always verify current conditions and NOTAMs through official channels before flight operations.