KSTL/STL METAR & TAF St. Louis Lambert International Airport

St Louis, MissouriElevation 618 ftLarge airport
CURRENT STATUS
VFR48 min old
Ceiling 25,000 ft, visibility 10 SM.
FLIGHT CATEGORY
VFR
ceiling & visibility
WIND
Calm
no steady wind
VISIBILITY
10 SM
16.1 km
CEILING
25,000 ft
lowest BKN/OVC
DENSITY ALT
1,056 ft
+438 ft vs field
CURRENT METAR

Decoded observation

Observed 2351Z (6:51 PM local) · 48 min old

KSTL is currently VFR. Winds are calm. Visibility is 10 statute miles. The ceiling is 25,000 feet AGL.

WIND
Calm
No steady wind.
VISIBILITY
10 statute miles
16.1 km, good.
CEILING & SKY
Ceiling 25,000 ft
Lowest broken or overcast layer.
TEMP / DEWPOINT
21°C / 9°C
70°F / 48°F. 12°C spread.
ALTIMETER
30.34 inHg
1027.4 hPa, above standard.
WEATHER & HAZARDS
No significant hazards
No precipitation or obscuration reported.

Codes in this report: COR BKN RMK AO2

Hover or tap any group for a plain-English explanation.

REMARKS: DECODED
AO2
automated station with a precipitation discriminator (can tell rain from snow)
SLP270
sea-level pressure 1027.0 hPa
T02060089
precise temperature 20.6°C, dew point 8.9°C
10256
6-hour maximum temperature 25.6°C
20206
6-hour minimum temperature 20.6°C
55000
3-hour pressure tendency: falling then rising (0.0 hPa change)
$
station needs maintenance
TERMINAL AERODROME FORECAST

TAF timeline

Issued 2320Z (6:20 PM local) · valid to 0600Z (1:00 AM local)

KSTL forecast starts VFR at 00Z. Conditions are roughly steady over the period.

VFR
BKN25025,000 ft
0000Z7:00 PM0600Z1:00 AM1200Z7:00 AM1800Z1:00 PM0000Z7:00 PM0600Z1:00 AM

Codes in this report: P6SM SCT BKN

Tap any group to decode it.

FAA: no delays reported at STL.

Source: FAA System Operations (ASWS). Operational status only; verify with official FAA sources and NOTAMs.

SUGGESTED RISK · TRAINING USE

Suggested risk level: Low

›No significant weather concerns in the current report.

A suggested risk level for training and situational awareness only, not a go/no-go authority. Verify with official sources and apply your personal minimums.

FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

Current aviation conditions show flight category VFR, wind calm, visibility 10 SM, ceiling 25,000 ft. Forecast suggests tonight mostly cloudy, low near 54F, 1% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Tonight Mostly Cloudy 54 S 4 kt – 1%
Monday Partly Sunny 76/53 SW 4 kt – 2%
Tuesday Partly Sunny 75/56 S 8 kt – 0%
Wednesday Sunny 79/58 S 9 kt – 1%
Thursday Sunny 84/60 S 6 kt – 3%
Friday Mostly Sunny 81/61 S 6 kt – 13%
Saturday Chance Rain Showers 75/61 S 7 kt – 70%
Sunday Chance Rain Showers 76 SW 7 kt – 25%

Source: National Weather Service (office LSX). Forecast issued 0039Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

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RUNWAYS & WIND
4 runways · crosswind ranking
NESW12L30R112912R30L0624CALMCALMCALMCALMCALM
WIND USED
Wind calm or variable
Crosswind ranking is unavailable until the wind has a steady direction.
Components are estimates from the current METAR wind and runway heading. Verify with the Chart Supplement and NOTAMs.
RUNWAYS

Runway detail & declared distances

4 runways · longest 11,020 ft

12L/30R
Dimensions
9,013 x 150 ft
Surface
Concrete (good)
Edge lights
HIGH
RWY 12L122°T
Landing length (LDA)8,956 ft
TORA / TODA / ASDA9,013 / 9,013 / 8,956 ft
ILSILS/DME
Approach lightsALSF2
VGSIPAPI (P4R)
RWY 30R302°T
Landing length (LDA)9,013 ft
TORA / TODA / ASDA9,013 / 9,013 / 9,013 ft
ILSILS/DME
Approach lightsALSF2
VGSIPAPI (P4R)
Traffic patternRight
06/24
Dimensions
7,603 x 150 ft
Surface
Concrete (fair)
Edge lights
HIGH
RWY 0663°T
Landing length (LDA)7,323 ft
TORA / TODA / ASDA7,603 / 7,603 / 7,323 ft
ILSLOC/DME
Approach lightsMALSR
VGSIPAPI (P4R)
Traffic patternLeft
RWY 24243°T
Landing length (LDA)7,603 ft
TORA / TODA / ASDA7,603 / 7,603 / 7,603 ft
ILSILS/DME
Approach lightsMALS
VGSIPAPI (P4L)
Traffic patternLeft
11/29
Dimensions
9,000 x 150 ft
Surface
Concrete (excellent)
Edge lights
HIGH
RWY 11122°T
Landing length (LDA)9,000 ft
TORA / TODA / ASDA9,000 / 9,000 / 9,000 ft
ILSILS/DME
Approach lightsALSF2
VGSIPAPI (P4R)
Traffic patternRight
RWY 29302°T
Landing length (LDA)9,000 ft
TORA / TODA / ASDA9,000 / 9,000 / 9,000 ft
ILSILS/DME
Approach lightsALSF2
VGSIPAPI (P4L)
12R/30L
Dimensions
11,020 x 150 ft
Surface
Concrete (good)
Edge lights
HIGH
RWY 12R122°T
Landing length (LDA)10,553 ft
TORA / TODA / ASDA11,020 / 11,020 / 11,020 ft
Displaced threshold468 ft
ILSILS/DME
Approach lightsMALSR
VGSIPAPI (P4L)
Traffic patternRight
RWY 30L302°T
Landing length (LDA)10,679 ft
TORA / TODA / ASDA11,020 / 11,020 / 10,880 ft
Displaced threshold201 ft
ILSILS
Approach lightsMALSR
VGSIPAPI (P4R)
Traffic patternLeft

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

FIELD CONDITIONS

Performance & density altitude

Density altitude
1,056 ft
Pressure altitude
198 ft
Field elevation
618 ft MSL
Temperature
21°C (70°F)
Dewpoint
9°C (48°F)
Altimeter
30.34 inHg

Density altitude estimates how the aircraft performs versus standard atmosphere. Higher density altitude reduces climb performance and increases takeoff distance.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2309Z 6:09 PM
Sunrise
1221Z 7:21 AM
Loggable night
2337Z (6:37 PM local) → 1154Z (6:54 AM local)
end of evening to start of morning civil twilight
Position lights required
2309Z (6:09 PM local) → 1221Z (7:21 AM local)
sunset to sunrise (91.209)
Night passenger currency
0009Z (7:09 PM local) → 1121Z (6:21 AM local)
1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

St. Louis Lambert International Airport is in St Louis, Missouri. Field elevation 618 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPublicly owned
UseOpen to the public
TypeLarge airport
Airline serviceYes
ManagerMS. RHONDA HAMM-NIEBRUEGGE
Manager phone314-426-8000
AttendedContinuous (24 hours)
CHARTS & AIRSPACE
ICAO / IATAKSTL / STL
SectionalST LOUIS
Center (ARTCC)KANSAS CITY
Flight service (AFSS)SAINT LOUIS
RegionMissouri
CountryUnited States
Coordinates38.7487, -90.3700
Distance from city10 NM NW
SERVICES & LIGHTING
Fuel100LL · Jet A
Control towerTowered
BeaconSunset to sunrise · White-green (lighted land airport)
UNICOM122.950
FREQUENCIES

Communications

120.05
ST LOUIS APP
APP
121.025
SOUTH/WEST SECONDARY
APP
123.7
SAINT LOUIS APPROACH SECONDARY
APP
125.025
ATIS
ATIS
119.5
CLNC DEL
CLD
119.15
ST LOUIS DEP N/E
DEP
128.1
ST LOUIS DEP S/W
DEP
118.925
RWAY 11-29
GND
121.65
SAINT LOUIS GROUND OUTBOUND
GND
121.9
SAINT LOUIS GROUND INBOUND
GND
29.79
ANG OPS
OPS
122.05
ST LOUIS RDO
RDO
118.5
RWAY 12R-30L
TWR
120.05
RWAY 12L-30R
TWR
132.475
RWY 06 AND 11-29
TWR
122.95
UNICOM
UNIC
122.950
UNICOM
UNICOM

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRCRAFT ACTIVITY

KSTL traffic patterns

2026-06-12 to 2026-10-23, 70 days observed · data 2026-10-23

High confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
229
AVG OPS/DAY
251.8
Activity trend over 18 days: falling, from 268 to 259 operations per dayOperations trend (18 days)

Busiest day: Wed · Busiest month: Oct

FLEET MIX
Airliner 91%Unknown 4%Jet 3%

Mostly airliner-class aircraft.

TOP AIRCRAFT TYPES
›B38M (Airliner) · ~784 landings/mo
›B737 (Airliner) · ~715 landings/mo
›B738 (Airliner) · ~535 landings/mo
›E75L (Airliner) · ~244 landings/mo
›CRJ7 (Airliner) · ~144 landings/mo
LIKELY BASED AIRCRAFT
Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly large aircraft.

›CRJ7 (Airliner)
›UNKN (Unknown)
›DV20 (Unknown)
›CL35 (Jet)
›B38M (Airliner)

This is an estimate based on repeated flight patterns, not registration data. Do not rely on it to identify specific aircraft or owners.

Data limitations (4)
›ADS-B coverage is incomplete; counts are an observed lower bound, not official totals.
›Some aircraft do not transmit usable ADS-B and are not counted.
›Aircraft types and based estimates are inferred and may be wrong.
›This is not official ATC, FAA, or airport data.
NEARBY AIRPORTS

Weather reference stations

Current flight category at nearby reporting stations.

AIRPORT REMARKS

Operational remarks

›TXL CHARLIE, FROM TWY CHARLIE SIX TO TWY CHARLIE FOUR, RSTRD TO B757-300 SERIES OR SMLR WHEN PASSING BHND ACFT THAT HAVE MADE THE INITIAL 10 FT PUSHBACK.
›PCR VALUE: 1410/R/D/W/T
›PCR VALUE: 1100/R/D/W/T
›PCR VALUE: 600/R/D/W/T
›DELIVERIES GOTO: 10701 LAMBERT INTERNATIONAL BLVD.
›PCR VALUE: 905/R/D/W/T
›APCH RATIO FM DSPLCD THR 25:1.
›AIRPORT DIRECTOR
›CITY HALL
›APCH RATIO FM DSPLCD THR 34:1.
›CONNECTING ISLANDS CUTTING TWY S IN HALF BTN TWY D AND TWY C AND ADDING TWY C8.
›TXL CHARLIE, EAST OF TWY CHARLIE 2 TO TWY G, RSTRD TO B-737 OR SMLR ACFT (WINGSPAN LESS THAN 118 FT) WHEN ACFT ARE PARKED ON THE HOTEL PAD.
›JET-A
›BAK-14 BAK -12B(B) (1450')
›TWY CHARLIE, FROM TWY CHARLIE SEVEN TO TWY CHARLIE SIX, RSTRD TO A B757-300 SERIES OR SMLR.
›TWY CHARLIE, FM TWY SIERRA TO TWY CHARLIE SEVEN, RSTRD TO B-767 OR SMLR ACFT (156 FT AVBL) WHEN ACFT ARE PARKED IN THE CHARLIE PAD. RSTRN IS FOR TAX ACFT, LRGR ACFT MAY BE TOWED THRU AREA.
›TWY ECHO, BTN TWY NOVEMBER AND TWY LIMA RSTRD TO B-767 OR SMLR ACFT (WINGSPAN LESS THAN 171 FT) WHEN ACFT ARE PARKED ON THE ECHO PAD.
›TWY DELTA OR TAXILANE CHARLIE FM TWY SIERRA TO TWY GOLF, B-747S ARE NOT AUTH TO PASS OR BE PASSED BY B767 OR OTR LRGR ACFT OPRG ON THE PARL TWY/TAXILANE.
›RUNWAY LOAD CAPACITY: ST175
›RUNWAY LOAD CAPACITY: ST175
›RUNWAY LOAD CAPACITY: ST175
›BAK-14 BAK -12B(B) (1090')
›BAK-14 BAK -12B(B) (1300')
›TWY KILO 1 IS UNAVBL TO B-767 OR LRGR ACFT (WINGSPAN 118 FT OR GTR).
›TWY VICTOR 2, B-737 (WINGSPAN GTR THAN 79 FT BUT LESS THAN 118 FT) MUST PERFORM JUDGMENTAL OVERSTEERING INSTEAD OF COCKPIT OVR CNTRLN STEERING WHEN TAX.
›TWY VICTOR 2 IS UNAVBL TO B-767 OR LRGR ACFT (WINGSPAN 118 FT OR GTR).
›TWY LIMA, NORTH OF RWY 12L/30R, ACFT LRGR THAN A GULFSTREAM VI TAX NBND ARE PROHIBITED FM MAKING A RIGHT TURN EBND ON TWY FOXTROT.
›TWY ALPHA EAST OF TWY TANGO, TWY SIERRA AND RWY 6/24 SOUTH OF TWY BRAVO, NO ACFT OR VEHICLE OPNS WHEN ARRIVING OR DEPG RWY 11 OR ARRIVING RWY 29.
›TWY VICTOR, UNDERLYING THE RWY 12L FNA CRS, IS RSTRD TO ACFT WITH A TAIL HGT OF 25 FT OR LESS (CRJ-700 OR SMLR) WHEN ACFT ARE LNDG ON RWY 12L.
›TWY NOVEMBER BTN RWY 24 AND FOXTROT, RSTRD TO ACFT WITH A WINGSPAN OF LESS THAN 79 FT (CRJ-900 OR SMLR) WHEN ACFT ARE PARKED ON THE NOVEMBER PAD. THIS AREA IS RSTRD TO ALL OPNS WHEN ACFT ARE PERFORMING END RUN-UPS IN THE NOVEMBER PAD.
›A-GEAR: A-G ARE KEPT IN RECESSED POSN TIL REQ FOR USE. TWR MUST BE NOTIFIED AT LEAST 5 SEC PRIOR TO ENGAGEMENT SO THAT CABLE MAY BE RAISED.
›WAIVER TO CONDUCT SIMUL APCHS TO PARL RYS SEPARATED BY 1,300 FT IN EFCT.
›WG TIP CLNC WITH GND VEH NOT ADQT ALG N SIDE OF MAIN TRML APN.
›LNDG FEE BASED ON ACFT WEIGHT COLLECTED BY FBO.

About St. Louis Lambert International Airport

FREQUENTLY ASKED
Does KSTL have a METAR?
Yes. KSTL has a current METAR observation, decoded into plain English on this page.
Does KSTL have a TAF?
Yes, a TAF is issued for KSTL; the decoded forecast timeline is shown above.
What is the field elevation at KSTL?
KSTL sits at 618 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for KSTL?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.