St. Louis Lambert International Airport (KSTL)
St. Louis, United States · North America
By Renzo, CPL
ICAO
KSTL
IATA
STL
City
St. Louis
Country
United States
Region
North America
Elevation
618 ft
Runways
4 runways
Coordinates
38.7487, -90.3700
Overview
Former TWA hub with excellent infrastructure in the Midwest thunderstorm corridor.
Current Weather at KSTL
Pilots flying into or out of St. Louis Lambert International Airport should always check the latest METAR (Meteorological Aerodrome Report) before departure. A METAR is a standardized weather observation issued every hour (or more frequently as a SPECI when conditions change rapidly). It includes wind direction and speed, visibility, cloud layers, temperature, dewpoint, and altimeter setting -- everything you need for a safe go/no-go decision.
Live conditions
Current METAR
METAR KSTL 141851Z 34014G23KT 10SM FEW030 FEW150 24/12 A2999 RMK AO2 SLP146 T02440117 $Wind 340° at 14 kt — likely active runway near heading 34
Current TAF
TAF KSTL 141720Z 1418/1524 33010G18KT P6SM BKN050 FM142300 34008KT P6SM FEW060 FM150300 VRB04KT P6SM FEW250Decode METAR for KSTL
Paste the KSTL METAR into our free decoder and get a plain-English breakdown instantly.
Check Weather Before Your Flight
A thorough weather briefing is essential for safe flight operations at St. Louis Lambert International Airport. Here are the key weather products every pilot should review:
- METARHourly surface observation for KSTL. Includes wind, visibility, ceiling, temp/dewpoint, and altimeter.
- TAFTerminal Aerodrome Forecast covering the next 24-30 hours. Look for expected wind shifts, visibility changes, and precipitation.
- NOTAMNotices to Air Missions for KSTL. Check for runway closures, taxiway restrictions, and navaid outages.
- PIREPPilot Reports from aircraft near St. Louis. Real-world turbulence, icing, and cloud top reports.
- SIG/AIRMETArea forecasts for significant weather, turbulence, and icing that may affect operations around St. Louis Lambert International Airport.
Learn to read sectional charts to plan your route visually, and use our crosswind calculator to check runway compatibility with current winds.
Pilot Resources at St. Louis Lambert International Airport
Radio Frequencies
Always verify current frequencies in the Chart Supplement (formerly A/FD) before flight. Common frequencies for airports like KSTL include ATIS/AWOS, Ground, Tower (if towered), Approach/Departure, and Clearance Delivery. Frequencies change -- never rely on outdated sources.
Flight Schools Nearby
Browse flight schools near St. Louis and compare training programs.
Private Pilot Guide
Everything you need to earn your PPL, from requirements to checkride prep.
METAR Decoder
Decode any METAR report into plain English. Free tool for student and experienced pilots.
Sectional Chart Guide
Learn to read VFR sectional charts for navigation around St. Louis.
Training Availability
Flight Training Available
St. Louis Lambert International Airport has flight schools and training programs operating on the field or nearby. Browse flight schools
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