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Weather at St. Louis Lambert International Airport (STL)

St Louis, Missouri KSTL #35 US airport by passengers

Official aviation observations and forecasts for STL.

FAA status
No delays reported Updated 4 min ago
Weather now
VFR 58°F Observed 3 h ago
Late departures
30.7%May 2026 to July 2026
Security line
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Current conditions at STL

VFR

58°F14°C

Good visibility and high cloud base. Normal operations are typical.

Wind
090° 5 mph
Visibility
10+ mi
Clouds
FEW 25,000 ft
Ceiling
None
Pressure
30.06 inHg

METARMETAR KSTL 101151Z COR 09004KT 10SM FEW250 14/09 A3006 RMK AO2 SLP171 T01440094 10211 20133 53010 $

TAFTAF KSTL 101120Z 1012/1118 10005KT P6SM SCT200 FM101600 13009KT P6SM OVC150 FM110600 VRB03KT P6SM BKN250

Source: NOAA Aviation Weather Center. Observed 3 h ago.

Forecast for the STL area

Today81°F
Mostly Sunny
9 mph SE · 1% rain
Tonight58°F
Partly Cloudy
0 to 10 mph NE · 2% rain
Sunday88°F
Sunny
0 to 3 mph SW · 1% rain
Sunday Night67°F
Mostly Clear
3 to 9 mph S · 0% rain
Columbus Day94°F
Sunny
9 to 15 mph SW · 0% rain
Monday Night73°F
Mostly Clear
13 mph SW · 1% rain
Tuesday90°F
Sunny
13 mph W · 10% rain
Tuesday Night66°F
Slight Chance Showers And Thunderstorms
6 to 9 mph NE · 42% rain

Source: National Weather Service. Updated 2 min ago.

Runways

RunwayLengthWidthSurface
12R/30L11,020 ft200 ftCON
12L/30R9,013 ft150 ftCON
11/299,000 ft150 ftCON
06/247,603 ft150 ftCON

Source: OurAirports (public domain). Runway data can lag behind construction closures.

Air traffic frequencies

ServiceDescriptionMHz
ATISATIS125.025
CLDCLNC DEL119.500
GNDRWAY 11-29118.925
GNDSAINT LOUIS GROUND OUTBOUND121.650
GNDSAINT LOUIS GROUND INBOUND121.900
TWRRWAY 12R-30L118.500
TWRRWAY 12L-30R120.050
TWRRWY 06 AND 11-29132.475
APPST LOUIS APP120.050
APPSOUTH/WEST SECONDARY121.025
APPSAINT LOUIS APPROACH SECONDARY123.700
DEPST LOUIS DEP N/E119.150
DEPST LOUIS DEP S/W128.100