Ilopango International Airport

MSSS / ILS

San Salvador, SV

Last Updated
Apr 23, 00:00Z

Current Weather

Display Units
Stale 3 hours ago
00:00Z

🌙 Night
VFR
Flight Rules
26°C
Temperature
Dewpoint: 21°C
6 kt
170°
--
Visibility
Ceiling
Unlimited
1015 hPa
QNH
Altimeter Setting

Raw METAR

METAR MSSS 230000Z 17006KT 140V200 CAVOK 26/21 Q1014 A2996 NOSIG

Weather Briefing

VFR

Ilopango International Airport is currently reporting visual flight rules (VFR) conditions with clear skies. Note: This observation is 3 hours old and conditions may have changed.

Wind Analysis

Winds are from the south (170°) at 6 knots. Runway 15/33 is favored with a 6-knot headwind and 2-knot crosswind component.

Visibility & Ceiling

Skies are clear with unlimited ceiling.

Temperature & Moisture

Temperature is 26°C (79°F) with a dewpoint of 21°C, indicating moderate moisture conditions.

Forecast Outlook

The TAF forecast covers the next 24 hours. Conditions are expected to fluctuate between VFR and MVFR. VFR pilots should be prepared for deteriorating conditions. Expected weather includes: Thunderstorm Rain. Temporary MVFR conditions are forecast with Thunderstorm Rain between 09:00Z and 12:00Z.

Pilot Recommendations

Conditions are favorable for visual flight. The forecast indicates conditions may deteriorate. Ensure you have fuel reserves and a viable alternate airport.

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

QNH
1015 hPa
Sea Level Pressure
For altitude above MSL
QFE
947 hPa
Field Pressure
Height above aerodrome (2,027 ft)
Pressure Alt
1,975 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: 3,781 ft
ISA Deviation: +15.1°C

Forecast (TAF)

View Full TAF
Raw TAF
TAF MSSS 222127Z 2300/2324 34005KT 9999 FEW023 FEW033CB SCT055 TX29/2319Z TN21/2312Z TEMPO 2309/2312 34006KT 7000 TSRA SCT020 FEW037CB BKN047 FM231200 36005KT 9999 FEW020 FM231800 16008KT 9999 SCT043
Upcoming Changes (Next 12 Hours)
02:57Z BASE
+0h
MVFR 340° 5 kt
Visibility: 10+ km
09:00Z TEMPO
+7h
MVFR 340° 6 kt
Visibility: 7 km
Ceiling: 4,700 ft
Thunderstorm Rain
12:00Z FM231200
+10h
VFR 360° 5 kt
Visibility: 10+ km

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
SSS
15 ✈️
33

Runway Information

Runway Length Width Surface Heading Wind Component
✈️ 15/33
Active: 15
7,349 ft 148 ft ASP 153°
5.6 kt 2.1 kt
20° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - MSSS

2,693 observations | Sep 2025 - Apr 2026

Flight Rules Distribution

VFR
93.7%
MVFR
4.4%
IFR
1.1%
LIFR
0.8%

Ilopango International Airport enjoys predominantly VFR conditions, with visual flight rules prevailing 93.7% of the time. Prevailing winds are from the N averaging 7.1 knots. Temperatures typically range between 14°C and 34°C with an average of 26.1°C. The best months for VFR flying are February, January, March.

Wind Analysis

Prevailing Direction: N (0°)
Average Speed: 7.1 kt
Maximum Recorded: 17 kt
Calm Winds: 0.6%
Direction Distribution:
N
47%
NE
2.3%
E
2.9%
SE
8.4%
S
20.2%
SW
1.1%
W
0.4%
NW
17%

Temperature Range

Average: 26.1°C
Range: 14°C to 34°C
14°C 34°C

Visibility

Average: 10 SM
Below 3 SM: 0%
Fog Frequency: 0.8%

Best Months for VFR

February January March

Runway Wind Analysis

Runway 15/33
Favorable wind: 100%
Avg crosswind: 2.2 kt

Statistics computed from 2,693 METAR observations (Sep 2025 - Apr 2026). Data sourced from official aviation weather services. Updated daily.

Ilopango International Airport - Airport Information

Airport Details

ICAO Code: MSSS
IATA Code: ILS
Type: medium airport
Status: active
Elevation: 2,027 ft MSL

Location

City: San Salvador
Country: SV
Latitude: 13.699500°
Longitude: -89.119904°
Time Zone: Etc/GMT+6

Runway Information

Runway 15/33
Length: 7,349 ft
Width: 148 ft
Surface: ASP
ILS: No

About Ilopango International Airport

Overview

Ilopango International Airport serves San Salvador, El Salvador, situated at an elevation of 2027 ft MSL. The medium-sized airport provides critical aviation infrastructure in a Central American urban setting, supporting regional transportation needs with its 7349-foot asphalted runway 15/33.

Flying Conditions

Weather conditions at Ilopango are predominantly VFR, with 91.1% of observations supporting visual flight rules. The airport experiences consistent temperatures averaging 25.8°C, with a range from 17°C to 34°C. Wind patterns are northerly (0°) with an average speed of 6.6 knots, rarely exceeding 16 knots.

Notable Features

The airport's geographical position near San Salvador introduces potential terrain considerations for pilots. Its elevation of 2027 ft MSL suggests potential density altitude effects, particularly during warmer months. The consistent wind profile indicates minimal turbulence risk during standard operations.

Approach Considerations

Runway 15/33 demonstrates favorable wind alignment, with 100% wind compatibility and minimal average crosswind of 1.9 knots. Pilots can expect optimal VFR conditions, particularly during January, November, and December. Visibility consistently averages 10 statute miles, with negligible instances of restricted visibility.

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.