Spirit of St Louis Airport

KSUS / SUS

St Louis, US

Last Updated
Jul 5, 07:54Z

Current Weather

Display Units
Fresh 17 min ago
07:54Z

☀️ Day
VFR
Flight Rules
21°C
Temperature
Dewpoint: 19°C
0 kt
7 SM
Visibility
Ceiling
Unlimited
1014 hPa
QNH
Altimeter Setting

Raw METAR

METAR KSUS 050754Z 00000KT 7SM CLR 21/19 A2994 RMK AO2 SLP128 T02060194

Weather Briefing

VFR

Spirit of St Louis Airport is currently reporting visual flight rules (VFR) conditions with clear skies and 7 SM visibility.

Wind Analysis

Winds are calm, presenting no crosswind concerns for any runway.

Visibility & Ceiling

Visibility is 7 SM. Skies are clear with unlimited ceiling.

Temperature & Moisture

Temperature is 21°C (70°F) with a dewpoint of 19°C. The temperature-dewpoint spread is very narrow, indicating saturated or near-saturated air. Fog formation or low cloud development is likely.

Forecast Outlook

The TAF forecast covers the next 24 hours. Conditions are expected to remain VFR throughout the forecast period. Expected weather includes: Light Showers Rain. There is a 30% probability of VFR conditions with Light Showers Rain between 18:00Z and 22:00Z.

Pilot Recommendations

Conditions are favorable for visual flight. The narrow temperature-dewpoint spread creates risk of fog formation, particularly during evening and early morning hours.

This briefing is generated from real-time METAR and TAF data. Always verify with official sources before flight.

QNH
1014 hPa
Sea Level Pressure
For altitude above MSL
QFE
999 hPa
Field Pressure
Height above aerodrome (463 ft)
Pressure Alt
441 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: 1,272 ft
ISA Deviation: +6.9°C

Forecast (TAF)

View Full TAF
Raw TAF
TAF KSUS 050530Z 0506/0606 VRB04KT P6SM BKN200 FM051700 35006KT P6SM BKN050 PROB30 0518/0522 6SM -SHRA OVC050
Upcoming Changes (Next 12 Hours)
08:11Z BASE
+0h
VFR VRB 4 kt
Visibility: >6SM
Ceiling: 20,000 ft
17:00Z FM051700
+9h
VFR 350° 6 kt
Visibility: >6SM
Ceiling: 5,000 ft
18:00Z PROB30
+10h
VFR
Visibility: 6SM
Ceiling: 5,000 ft
Light Showers Rain

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
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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

N
SUS
08L
26R
08R
26L

Runway Information

Runway Length Width Surface Heading Wind Component
08L/26R 5,000 ft 75 ft ASP 78°
0.0 kt 0.0 kt
78° angle
08R/26L 7,485 ft 150 ft CON 78°
0.0 kt 0.0 kt
78° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - KSUS

8,146 observations | Sep 2025 - Jul 2026

Flight Rules Distribution

VFR
78.1%
MVFR
13.1%
IFR
6.6%
LIFR
2.2%

Spirit of St Louis Airport typically experiences VFR conditions 78.1% of the time, though instrument-rated pilots will find IFR weather present approximately 8.8% of observations. Prevailing winds are from the W averaging 7.4 knots. Calm conditions occur 28.3% of the time. Temperature extremes range from -23°C to 37°C, reflecting significant seasonal variation. The best months for VFR flying are July, February, September.

Wind Analysis

Prevailing Direction: W (270°)
Average Speed: 7.4 kt
Maximum Recorded: 28 kt
Calm Winds: 28.3%
Direction Distribution:
E
9.7%
N
7.8%
S
10.8%
W
13.3%
NE
6%
NW
8%
SE
4.6%
SW
11.5%

Temperature Range

Average: 12°C
Range: -23°C to 37°C
-23°C 37°C

Visibility

Average: 9.1 SM
Below 3 SM: 2.7%
Fog Frequency: 3%

Best Months for VFR

July February September

Runway Wind Analysis

Runway 08L/26R
Favorable wind: 100%
Avg crosswind: 4.5 kt
Runway 08R/26L
Favorable wind: 100%
Avg crosswind: 4.5 kt

Statistics computed from 8,146 METAR observations (Sep 2025 - Jul 2026). Data sourced from official aviation weather services. Updated daily.

Spirit of St Louis Airport - Airport Information

Airport Details

ICAO Code: KSUS
IATA Code: SUS
Type: medium airport
Status: active
Elevation: 463 ft MSL

Location

City: St Louis
Country: US
Latitude: 38.662102°
Longitude: -90.652000°
Time Zone: Etc/GMT+6

Runway Information

Runway 08L/26R
Length: 5,000 ft
Width: 75 ft
Surface: ASP
ILS: No
Runway 08R/26L
Length: 7,485 ft
Width: 150 ft
Surface: CON
ILS: No

About Spirit of St Louis Airport

Overview

Spirit of St Louis Airport serves the metropolitan St. Louis area as a medium-sized general aviation airport located in Missouri. Situated at 463 feet above mean sea level with coordinates 38.662102, -90.652000, the airport provides critical aviation infrastructure for regional and private aircraft operations.

Flying Conditions

Weather conditions at the airport demonstrate predominantly favorable flying environments, with VFR conditions present 74.7% of the time. Seasonal temperature variations are significant, ranging from -16°C to 37°C, with an average temperature of 9.4°C. Wind patterns are predominantly westerly at 270° with an average speed of 7.2 knots, and calm conditions occur 34.5% of the time.

Notable Features

The airport features two runways: 08L/26R (5000ft asphalt) and 08R/26L (7485ft concrete), offering flexibility for different aircraft types and operations. Both runways demonstrate 100% favorable wind alignment and consistent average crosswind conditions of 4 knots, providing reliable landing and takeoff options for pilots.

Approach Considerations

Visibility averages 8.9 statute miles, with limited reduced visibility scenarios (below 3SM occurring 2.6% of the time and fog present 5% of observations). September, January, and October represent the most consistent VFR months, offering optimal flying conditions for pilots planning operations at Spirit of St Louis Airport.

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.

Official Data Sources

Weather NOAA Aviation Weather Center • International METAR/TAF Network
Airports OurAirports.com • Public domain airport database
NOTAMs FAA NOTAM System • ICAO NOTAM Distribution
Last updated: Jan 1, 1970 12:00 AM UTC

Disclaimer: Data is provided for informational purposes only. Pilots must verify all information through official sources before flight operations. Weather conditions change rapidly; always obtain a current briefing from approved weather services.