Ilopango International Airport

MSSS / ILS

San Salvador, SV

Current TAF Forecast

Raw TAF:
TAF MSSS 041025Z 0412/0512 34008KT CAVOK TX33/0420Z TN23/0412Z FM041800 17006KT 9999 FEW033 FM050000 16004KT 9999 FEW023 FM050400 34004KT 9999 SCT047 PROB40 TEMPO 0505/0507 8000 SHRA BKN047

Detailed TAF Table

Parameter
Sat
16:00Z
+-1h
Sat
17:00Z
+0h
Sat
18:00Z
+1h
Sat
19:00Z
+2h
Sat
20:00Z
+3h
Sat
21:00Z
+4h
Sat
22:00Z
+5h
Sat
23:00Z
+6h
Sun
00:00Z
+7h
Sun
01:00Z
+8h
Sun
02:00Z
+9h
Sun
03:00Z
+10h
Sun
04:00Z
+11h
Sun
05:00Z
+12h
Sun
06:00Z
+13h
Sun
07:00Z
+14h
Sun
08:00Z
+15h
Sun
09:00Z
+16h
Sun
10:00Z
+17h
Wind Dir
340°
N
340°
N
170°
S
170°
S
170°
S
170°
S
170°
S
170°
S
160°
S
160°
S
160°
S
160°
S
340°
N
340°
N
340°
N
340°
N
340°
N
340°
N
340°
N
Wind Speed
8 kt
8 kt
6 kt
6 kt
6 kt
6 kt
6 kt
6 kt
4 kt
4 kt
4 kt
4 kt
4 kt
8 kt
8 kt
4 kt
4 kt
4 kt
8 kt
Visibility
>10km
>10km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
8 km
8 km
10+ km
10+ km
10+ km
>10km
Weather
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
Showers Rain
SHRA
40%
Showers Rain
SHRA
40%
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
Clouds
☀️ CLR
☀️ CLR
FEW033
FEW033
FEW033
FEW033
FEW033
FEW033
FEW023
FEW023
FEW023
FEW023
SCT047
BKN047
BKN047
SCT047
SCT047
SCT047
☀️ CLR
Ceiling
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
4,700 ft
AGL
4,700 ft
AGL
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
Flight Rules VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR MVFR MVFR VFR VFR VFR VFR
Day/Night
☀️
Day
🌇 18:27Z
☀️
Day
🌇 18:27Z
☀️
Day
🌇 18:27Z
🌙
Night
🌇 18:27Z
🌙
Night
🌇 18:27Z
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌅 05:32Z
🌙
Night
🌅 05:32Z
🌙
Night
🌅 05:32Z
☀️
Day
🌅 05:32Z
☀️
Day
🌅 05:32Z
☀️
Day
☀️
Day
☀️
Day
Flight Rules
VFR: Visual Flight Rules
MVFR: Marginal VFR
IFR: Instrument Flight Rules
LIFR: Low IFR
Ceiling Colors
Red: < 500ft
Amber: 500-1000ft
Blue: 1000-3000ft
Green: > 3000ft
⛈️ TCU: Towering Cumulus
🌩️ CB: Cumulonimbus
+Nh: Hours from now%: Probability of occurrenceAGL: Above Ground Level

Forecast Periods

BASE
VFR
Wind
340° at 8 kt
Visibility
>10km
📖 Plain English Explanation:

This is the base forecast condition. Winds from the North-Northwest (340°) at 8 kt. Visibility will be excellent at more than 10km. Conditions will be suitable for Visual Flight Rules (VFR) operations.

FM041800 18:00Z - 00:00Z
VFR
Wind
170° at 6 kt
Visibility
10+ km
Clouds
FEW033
📖 Plain English Explanation:

Winds from the South (170°) at 6 kt. Visibility will be excellent at 10+ km. Few clouds at 3300 feet. Conditions will be suitable for Visual Flight Rules (VFR) operations.

FM050000 00:00Z - 06:00Z
VFR
Wind
160° at 4 kt
Visibility
10+ km
Clouds
FEW023
📖 Plain English Explanation:

Winds from the South-Southeast (160°) at 4 kt. Visibility will be excellent at 10+ km. Few clouds at 2300 feet. Conditions will be suitable for Visual Flight Rules (VFR) operations.

FM050400 04:00Z - 10:00Z
VFR
Wind
340° at 4 kt
Visibility
10+ km
Clouds
SCT047
📖 Plain English Explanation:

Winds from the North-Northwest (340°) at 4 kt. Visibility will be excellent at 10+ km. Scattered clouds at 4700 feet. Conditions will be suitable for Visual Flight Rules (VFR) operations.

PROB40 TEMPO 05:00Z - 07:00Z
MVFR
Visibility
8 km
Weather
Showers Rain
Clouds
BKN047
📖 Plain English Explanation:

There is a 40% probability of: Visibility will be good at 8 km. Weather conditions: Showers Rain. Broken clouds at 4700 feet. Marginal VFR conditions - some restrictions for visual flying.

📚 Understanding TAF Forecasts

Terminal Aerodrome Forecast (TAF) provides detailed weather forecasts specifically for aviation operations. Our system translates complex meteorological codes into plain English to help pilots of all experience levels understand forecasted conditions.

What TAF Includes:

  • • Wind direction, speed, and gusts
  • • Visibility in statute miles or kilometers
  • • Weather phenomena (rain, snow, fog, thunderstorms)
  • • Cloud coverage types and altitudes
  • • Forecast changes with timing
  • • Flight rules categories (VFR/IFR)

Change Indicators Explained:

  • BASE - Main forecast conditions
  • FM - Permanent change from specific time
  • BECMG - Gradual change over 2-4 hours
  • TEMPO - Temporary changes (less than 1 hour)
  • PROB30/40 - 30% or 40% probability

🛩️ Flight Rules Categories

VFR

Visual Flight Rules

  • • Ceiling ≥ 3000 ft
  • • Visibility ≥ 5 miles
  • • Good for visual flying

MVFR

Marginal VFR

  • • Ceiling 1000-3000 ft
  • • Visibility 3-5 miles
  • • Caution for VFR

IFR

Instrument Flight Rules

  • • Ceiling 500-1000 ft
  • • Visibility 1-3 miles
  • • Instruments required

LIFR

Low IFR

  • • Ceiling < 500 ft
  • • Visibility < 1 mile
  • • Challenging conditions

💡 TAF Reading Tips

For Student Pilots:

  • • Focus on the plain English explanations above
  • • Pay attention to flight rules categories
  • • Look for wind direction relative to runway headings
  • • Check for temporary conditions (TEMPO)

For Experienced Pilots:

  • • Cross-reference with raw TAF for precise timing
  • • Consider probability forecasts for alternate planning
  • • Monitor BECMG periods for gradual changes
  • • Always check current METAR vs TAF forecast

Important: TAF forecasts should always be supplemented with current METAR observations, PIREPs, and other weather information for complete situational awareness. Weather can change rapidly, and forecasts have inherent limitations.