Gary Chicago International Airport

KGYY / GYY

Gary, US

Last Updated
Mar 4, 20:50Z

Current Weather

Display Units
Fresh 5 min ago
20:50Z

🌙 Night
MVFR
Flight Rules
4°C
Temperature
Dewpoint: 4°C
4 kt
40°
--
Visibility
1,100 ft
Ceiling
Above Ground Level
--
QNH
Altimeter Setting

Raw METAR

METAR KGYY 042050Z 04004KT 1 3/4SM BR OVC011 04/04 A3007

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 591 ft
OVC 1,100 ft AGL
☁️
OVC
Overcast (8/8 sky coverage)
1,100 ft
AGL (Above Ground)
1,691 ft AMSL

Forecast (TAF)

View Full TAF
Raw TAF
TAF KGYY 042049Z 0421/0518 04006KT 2SM BR SCT007 OVC012 TEMPO 0421/0501 1SM -SHRADZ BR BKN003 OVC007 FM050100 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)
20:54Z BASE
+0h
IFR 40° 6 kt
Visibility: 2SM
Ceiling: 1,200 ft
Mist
21:00Z TEMPO
+1h
LIFR
Visibility: 1SM
Ceiling: 300 ft
Light Showers RADZ, Mist
01:00Z FM050100
+5h
LIFR VRB 3 kt
Visibility: 2SM
Ceiling: 400 ft
Light Showers RADZ, Mist
07:00Z FM050700
+11h
LIFR 40° 5 kt
Visibility: 1/2SM
Ceiling: 300 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°
3.8 kt 1.4 kt
20° angle
12/30 7,003 ft 150 ft ASP 124°
0.4 kt 4.0 kt
84° 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.