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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 7 min ago
Weather now
MVFR 62°F Observed 46 min ago
Late departures
30.7%May 2026 to July 2026
Security line
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Current conditions at STL

MVFR

62°F17°C

Marginal: lower cloud or reduced visibility. Some delays are possible.

Wind
140° 10 mph
Visibility
10+ mi
Clouds
SCT 900 ft, BKN 1,400 ft, OVC 2,100 ft
Ceiling
1,400 ft
Pressure
30.24 inHg

METARMETAR KSTL 011751Z COR 14009KT 10SM SCT009 BKN014 OVC021 17/14 A3024 RMK AO2 SLP236 60000 T01670144 10167 20156 58012 $

TAFTAF KSTL 011724Z 0118/0224 13009KT P6SM OVC015 FM020200 13007KT P6SM OVC008 FM021900 16012KT P6SM OVC012

Source: NOAA Aviation Weather Center. Observed 46 min ago.

Forecast for the STL area

This Afternoon79°F
Sunny
12 mph S · 1% rain
Tonight57°F
Clear
10 mph S · 1% rain
Thursday82°F
Sunny
8 mph SW · 2% rain
Thursday Night58°F
Partly Cloudy
6 mph NE · 3% rain
Friday78°F
Partly Sunny
7 mph E · 8% rain
Friday Night59°F
Mostly Cloudy
5 to 8 mph SE · 6% rain
Saturday73°F
Mostly Cloudy then Slight Chance Rain Showers
5 to 9 mph E · 19% rain
Saturday Night57°F
Chance Rain Showers
3 to 9 mph SE · 51% rain

Source: National Weather Service. Updated 3 d 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