Ilopango International Airport

MSSS / ILS

San Salvador, SV

Last Updated
May 15, 00:00Z

Current Weather

Display Units
Stale 9 hours ago
00:00Z

☀️ Day
VFR
Flight Rules
27°C
Temperature
Dewpoint: 22°C
12 kt
160°
10+ km
Visibility
Ceiling
Unlimited
1014 hPa
QNH
Altimeter Setting

Raw METAR

METAR MSSS 150000Z 16012KT 9999 FEW017 27/22 Q1013 A2993 NOSIG

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 2,027 ft
FEW 1,700 ft AGL
🌤️
FEW
Few (1/8-2/8 sky coverage)
1,700 ft
AGL (Above Ground)
3,727 ft AMSL

Weather Briefing

VFR

Ilopango International Airport is currently reporting visual flight rules (VFR) conditions with few clouds at 1,700 feet and 10 miles or greater visibility. Note: This observation is 8.7 hours old and conditions may have changed.

Wind Analysis

Winds are from the south-southeast (160°) at 12 knots. Runway 15/33 is favored with a 12-knot headwind and 2-knot crosswind component.

Visibility & Ceiling

Visibility is unrestricted. No ceiling exists. Cloud layers reported: few at 1,700 ft.

Temperature & Moisture

Temperature is 27°C (81°F) with a dewpoint of 22°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.

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
1014 hPa
Sea Level Pressure
For altitude above MSL
QFE
946 hPa
Field Pressure
Height above aerodrome (2,027 ft)
Pressure Alt
2,005 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: 3,931 ft
ISA Deviation: +16.1°C

Forecast (TAF)

View Full TAF
Raw TAF
TAF MSSS 150325Z 1506/1606 03002KT 6000 FEW010 TX34/1518Z TN23/1512Z FM151200 33005KT 9999 FEW020 FM151800 36007KT CAVOK FM160000 16008KT FEW020
Upcoming Changes (Next 12 Hours)
08:43Z BASE
+0h
MVFR 30° 2 kt
Visibility: 6 km
12:00Z FM151200
+4h
VFR 330° 5 kt
Visibility: 10+ km
18:00Z FM151800
+10h
VFR 360° 7 kt
Visibility: >10km

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°
11.8 kt 2.1 kt
10° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - MSSS

2,955 observations | Sep 2025 - May 2026

Flight Rules Distribution

VFR
92.9%
MVFR
5.3%
IFR
1%
LIFR
0.7%

Ilopango International Airport enjoys predominantly VFR conditions, with visual flight rules prevailing 92.9% 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 26.3°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: 0.7%
Direction Distribution:
N
44.7%
NE
2.3%
E
2.9%
SE
9.2%
S
22.8%
SW
1%
W
0.4%
NW
15.9%

Temperature Range

Average: 26.3°C
Range: 14°C to 34°C
14°C 34°C

Visibility

Average: 10 SM
Below 3 SM: 0%
Fog Frequency: 0.7%

Best Months for VFR

February January March

Runway Wind Analysis

Runway 15/33
Favorable wind: 100%
Avg crosswind: 2.3 kt

Statistics computed from 2,955 METAR observations (Sep 2025 - May 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.