Gary Chicago International Airport

KGYY / GYY

Gary, US

Last Updated
Mar 4, 18:03Z

Current Weather

Display Units
Recent 39 min ago
18:03Z

🌙 Night
MVFR
Flight Rules
5°C
Temperature
Dewpoint: 5°C
4 kt
50°
--
Visibility
1,200 ft
Ceiling
Above Ground Level
--
QNH
Altimeter Setting

Raw METAR

SPECI KGYY 041803Z 05004KT 1 1/2SM BR SCT007 BKN012 OVC023 05/05 A3015

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 591 ft
SCT 700 ft AGL
BKN 1,200 ft AGL
OVC 2,300 ft AGL
SCT
Scattered (3/8-4/8 sky coverage)
700 ft
AGL (Above Ground)
1,291 ft AMSL
☁️
BKN
Broken (5/8-7/8 sky coverage)
1,200 ft
AGL (Above Ground)
1,791 ft AMSL
☁️
OVC
Overcast (8/8 sky coverage)
2,300 ft
AGL (Above Ground)
2,891 ft AMSL

Forecast (TAF)

View Full TAF
Raw TAF
TAF KGYY 041723Z 0418/0518 08007KT 5SM BR BKN025 FM042200 04006KT 3SM BR SCT004 OVC008 TEMPO 0422/0502 2SM -SHRADZ BR BKN003 FM050200 VRB03KT 2SM -SHRADZ BR SCT002 OVC004 FM050700 04005KT 1 1/2SM -SHRADZ BR SCT002 OVC003 PROB30 0510/0516 1/2SM -RADZ FG VV002
Upcoming Changes (Next 12 Hours)
18:42Z BASE
+0h
MVFR 80° 7 kt
Visibility: 5SM
Ceiling: 2,500 ft
Mist
22:00Z FM042200
+4h
IFR 40° 6 kt
Visibility: 3SM
Ceiling: 800 ft
Mist
22:00Z TEMPO
+4h
LIFR
Visibility: 2SM
Ceiling: 300 ft
Light Showers RADZ, Mist
02:00Z FM050200
+8h
LIFR VRB 3 kt
Visibility: 2SM
Ceiling: 400 ft
Light Showers RADZ, Mist

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
GYY
02 ✈️
20
12
30

Runway Information

Runway Length Width Surface Heading Wind Component
✈️ 02/20
Active: 02
3,603 ft 100 ft ASP 21°
3.5 kt 2.0 kt
30° angle
12/30 7,003 ft 150 ft ASP 124°
1.1 kt 3.8 kt
74° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - KGYY

5,768 observations | Sep 2025 - Mar 2026

Flight Rules Distribution

VFR
70.5%
MVFR
20.9%
IFR
5.4%
LIFR
3.2%

Gary Chicago International Airport typically experiences VFR conditions 70.5% of the time, though instrument-rated pilots will find IFR weather present approximately 8.6% of observations. Prevailing winds are from the W averaging 9.2 knots, with gusts recorded up to 114 knots. Calm conditions occur 13.4% of the time. Temperature extremes range from -21°C to 33°C, reflecting significant seasonal variation. The best months for VFR flying are October, September, November.

Wind Analysis

Prevailing Direction: W (270°)
Average Speed: 9.2 kt
Maximum Recorded: 114 kt
Calm Winds: 13.4%
Direction Distribution:
N
6.1%
NE
6.8%
E
4.8%
SE
8.5%
S
15.4%
SW
14.1%
W
21.8%
NW
9.2%

Temperature Range

Average: 4.5°C
Range: -21°C to 33°C
-21°C 33°C

Visibility

Average: 9.3 SM
Below 3 SM: 1.9%
Fog Frequency: 0.7%

Best Months for VFR

October September November

Runway Wind Analysis

Runway 02/20
Favorable wind: 100%
Avg crosswind: 5.9 kt
Runway 12/30
Favorable wind: 100%
Avg crosswind: 5.7 kt

Statistics computed from 5,768 METAR observations (Sep 2025 - Mar 2026). Data sourced from official aviation weather services. Updated daily.

Gary Chicago International Airport - Airport Information

Airport Details

ICAO Code: KGYY
IATA Code: GYY
Type: medium airport
Status: active
Elevation: 591 ft MSL

Location

City: Gary
Country: US
Latitude: 41.616299°
Longitude: -87.412804°
Time Zone: Etc/GMT+6

Runway Information

Runway 02/20
Length: 3,603 ft
Width: 100 ft
Surface: ASP
ILS: No
Runway 12/30
Length: 7,003 ft
Width: 150 ft
Surface: ASP
ILS: No

About Gary Chicago International Airport

Overview

Gary Chicago International Airport serves the Chicago metropolitan area as a medium-sized airport located in Gary, Indiana. Situated at 591 feet above mean sea level, the airport provides an alternative aviation facility for the region with two paved runways capable of supporting various aircraft operations.

Flying Conditions

Pilots can expect predominantly Visual Flight Rules (VFR) conditions, with 71.4% of observations showing VFR weather. The airport experiences significant wind variability, with prevailing westerly winds averaging 9.2 knots and occasional extreme gusts up to 114 knots. Temperature ranges from -21°C to 33°C, creating diverse flying conditions throughout the year.

Notable Features

The airport features two runways: a 3,603-foot runway 02/20 and a longer 7,003-foot runway 12/30. Both runways demonstrate favorable wind alignment, with 100% wind compatibility. The airport's location near Chicago provides strategic aviation access with relatively stable wind and visibility conditions.

Approach Considerations

Best VFR months are October, September, and November, offering optimal flying conditions. Average crosswind components are moderate, with 6.1 knots for runway 02/20 and 5.6 knots for runway 12/30. Visibility averages 9.3 statute miles, with minimal instances of restricted visibility (below 3 miles occurring in only 2% of observations).

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.