KGYY/GYY METAR & TAF Gary/Chicago International Airport

Gary, IndianaElevation 591 ftMedium airport

CURRENT STATUS

VFR16 min old

No ceiling, visibility 10 SM.

FLIGHT CATEGORY

VFR

ceiling & visibility

WIND

180@3

steady

VISIBILITY

10 SM

16.1 km

CEILING

None

no BKN/OVC layer

DENSITY ALT

-26 ft

-617 ft vs field

CURRENT METAR

Decoded observation

Observed 0555Z (12:55 AM local) · 16 min old

KGYY is currently VFR. Winds are from the south at 3 knots. Visibility is 10 statute miles. There is no ceiling.

WIND

180° at 3 kt

Steady.

VISIBILITY

10 statute miles

16.1 km, good.

CEILING & SKY

CLR

FEW and SCT layers are not ceilings.

TEMP / DEWPOINT

12°C / 12°C

54°F / 54°F. 0°C spread.

ALTIMETER

30.32 inHg

1026.8 hPa, above standard.

WEATHER & HAZARDS

No significant hazards

No precipitation or obscuration reported.

Codes in this report: AUTO CLR RMK AO2

Hover or tap any group for a plain-English explanation.

REMARKS: DECODED

AO2

automated station with a precipitation discriminator (can tell rain from snow)

TERMINAL AERODROME FORECAST

TAF timeline

Issued 0526Z (12:26 AM local) · valid to 0600Z (1:00 AM local)

KGYY forecast starts VFR at 06Z. Worst period is 13Z to 16Z with LIFR possible (LOW CIG, LOW CIG). Best period is 06Z to 11Z (VFR). Conditions are roughly steady over the period.

BKN25025,000 ft

BKN20020,000 ft

BKN008800 ft

BKN0202,000 ft

BKN20020,000 ft

VFR

0600Z1:00 AM1048Z5:48 AM1536Z10:36 AM2024Z3:24 PM0112Z8:12 PM0600Z1:00 AM

Codes in this report: P6SM BKN SCT TEMPO BR OVC

Tap any group to decode it.

FAA: no delays reported at GYY.

Source: FAA System Operations (ASWS). Operational status only; verify with official FAA sources and NOTAMs.

SUGGESTED RISK · TRAINING USE

Suggested risk level: Low

›Forecast: ceiling 800 ft AGL.

A suggested risk level for training and situational awareness only, not a go/no-go authority. Verify with official sources and apply your personal minimums.

FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

Current aviation conditions show flight category VFR, wind from 180° at 3 kt, visibility 10 SM, ceiling none. Forecast suggests monday patchy fog then mostly cloudy, high near 61F, low near 50F, 3% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES

Thunderstorms in the forecastWeather.gov

Thursday: Mostly Sunny then Slight Chance Showers And Thunderstorms. Watch for developing convection and plan alternates.

Day	Conditions	Temp F	Wind	Gusts	Precip	Pilot note
Monday	Patchy Fog then Mostly Cloudy	61/50	N 13 kt	22 kt	3%
Tuesday	Mostly Cloudy	66/56	SE 9 kt	–	2%
Wednesday	Mostly Sunny	69/58	S 9 kt	–	5%
Thursday	Mostly Sunny then Slight Chance Showers And Thunderstorms	75/58	SW 9 kt	–	22%	Thunderstorms in the forecast
Friday	Slight Chance Rain Showers	73/58	S 4 kt	–	24%
Saturday	Chance Rain Showers	71/58	S 4 kt	–	53%
Sunday	Chance Rain Showers	68	SSW 9 kt	–	44%

Source: National Weather Service (office LOT). Forecast issued 0611Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

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RUNWAYS & WIND

2 runways · crosswind ranking

ON-FIELD METAR

READING THE BARB · SWIPE FOR MORE →

Calm

5 kt

10 kt

15 kt

20 kt

25 kt

30 kt

35 kt

40 kt

45 kt

50 kt

65 kt

75 kt

100 kt

105 kt

Half feather = 5 kt, full = 10 kt, filled pennant = 50 kt; add them up. The staff points the direction the wind blows from.

WIND USED

180° at 3 kt

Components computed from the current on-field METAR wind.

RECOMMENDED

RWY 203 kt headwind · 1 kt crosswind

RUNWAYS BY WIND · best end

HEAD

3 kt

CROSS

1 kt L

BEST

HEAD

2 kt

CROSS

2 kt R

HEAD

2 kt tail

CROSS

2 kt L

HEAD

3 kt tail

CROSS

1 kt R

Components are estimates from the current METAR wind and runway heading. Verify with the Chart Supplement and NOTAMs.

RUNWAYS

Runway detail & declared distances

2 runways · longest 8,859 ft

02/20

Dimensions

3,604 x 100 ft

Surface

Asphalt (fair)

Edge lights

MED

RWY 0221°T

Landing length (LDA)3,604 ft

TORA / TODA / ASDA3,604 / 3,604 / 3,604 ft

REILYes

VGSIPAPI (P2L)

Traffic patternLeft

RWY 20201°T

Landing length (LDA)3,604 ft

TORA / TODA / ASDA3,604 / 3,604 / 3,604 ft

REILYes

VGSIPAPI (P2L)

Traffic patternLeft

12/30

Dimensions

8,859 x 150 ft

Surface

Concrete (good)

Edge lights

HIGH

RWY 12124°T

Landing length (LDA)7,959 ft

TORA / TODA / ASDA8,859 / 8,859 / 7,959 ft

REILYes

VGSIPAPI (P4L)

Traffic patternLeft

RWY 30304°T

Landing length (LDA)7,959 ft

TORA / TODA / ASDA8,859 / 8,859 / 8,859 ft

Displaced threshold900 ft

ILSILS/DME

Approach lightsMALSR

VGSIPAPI (P4L)

Traffic patternLeft

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

FIELD CONDITIONS

Performance & density altitude

Density altitude

-26 ft

Pressure altitude

191 ft

Field elevation

591 ft MSL

Temperature

12°C (54°F)

Dewpoint

12°C (54°F)

Altimeter

30.32 inHg

Density altitude estimates how the aircraft performs versus standard atmosphere. Higher density altitude reduces climb performance and increases takeoff distance.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset

2253Z 5:53 PM

Sunrise

1214Z 7:14 AM

Loggable night

2322Z (6:22 PM local) → 1145Z (6:45 AM local)

end of evening to start of morning civil twilight

Position lights required

2253Z (5:53 PM local) → 1214Z (7:14 AM local)

sunset to sunrise (91.209)

Night passenger currency

2353Z (6:53 PM local) → 1114Z (6:14 AM local)

1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

Gary/Chicago International Airport is in Gary, Indiana. Field elevation 591 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT

OwnershipPublicly owned

UseOpen to the public

TypeMedium airport

Airline serviceYes

ManagerDANIEL VICARI

Manager phone219-949-4925

AttendedContinuous (24 hours)

CHARTS & AIRSPACE

ICAO / IATAGYY

SectionalCHICAGO

Center (ARTCC)CHICAGO

Flight service (AFSS)TERRE HAUTE

RegionIndiana

CountryUnited States

Coordinates41.6171, -87.4132

Distance from city3 NM NW

SERVICES & LIGHTING

Fuel100LL · Jet A

Control towerTowered

Field lightingSee remarks

BeaconSunset to sunrise · White-green (lighted land airport)

CTAF125.600

FREQUENCIES

Communications

133.1

CHICAGO APP/DEP

A/D

120.625

ATIS

125.6

CTAF

121.9

GND

114.2

KANKAKEE RDO

RCO

123.65

TERRE HAUTE RDO

RDO

125.6

TWR

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRCRAFT ACTIVITY

KGYY traffic patterns

2026-06-12 to 2026-10-23, 69 days observed · data 2026-10-23

High confidence

TRAFFIC VOLUME (30-DAY)

AVG LANDINGS/DAY

15.4

AVG OPS/DAY

25.6

Operations trend (18 days)

Busiest day: Fri · Busiest month: Oct

FLEET MIX

Jet 38%Piston single 23%Unknown 14%Airliner 10%Turboprop 6%Helicopter 6%Twin 4%

Mostly jet aircraft.

TOP AIRCRAFT TYPES

›C172 (Piston single) · ~10 landings/mo

›CL60 (Jet) · ~9 landings/mo

›P28A (Piston single) · ~9 landings/mo

›UNKN (Unknown) · ~7 landings/mo

›FA50 (Jet) · ~6 landings/mo

LIKELY BASED AIRCRAFT

Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly single-engine piston aircraft.

›C172 (Piston single)

›PA46 (Unknown)

›P28A (Piston single)

›H60 (Helicopter)

›UNKN (Unknown)

This is an estimate based on repeated flight patterns, not registration data. Do not rely on it to identify specific aircraft or owners.

Data limitations (4)

›ADS-B coverage is incomplete; counts are an observed lower bound, not official totals.

›Some aircraft do not transmit usable ADS-B and are not counted.

›Aircraft types and based estimates are inferred and may be wrong.

›This is not official ATC, FAA, or airport data.

NEARBY AIRPORTS

Weather reference stations

Current flight category at nearby reporting stations.

KMDW Chicago Midway International Airport

18 NM NW

VFR

KVPZ Porter County Municipal Airport

21 NM SE

VFR

KMGC Michigan City Municipal Airport

27 NM E

VFR

KPPO La Porte Municipal Airport

31 NM E

VFR

KLOT Lewis University Airport

31 NM W

VFR

KORD Chicago O'Hare International Airport

31 NM NW

VFR

AIRPORT REMARKS

Operational remarks

›TWY F MIL USE ONLY.

›WHEN ATCT CLSD ACTVT MALSR RWY 30; REIL RWY 02, 12 & 20; MIRL RWY 02/20; HIRL RWY 12/30 - CTAF.

›PCR VALUE: 706/R/C/X/U

›PCR VALUE: 121/R/C/X/U

›RWY 02/20 NOT AVBL FOR PART 121/PART 380 OPS WITH SKED PAX CARRYING OPS MORE THAN 9 PAX SEATS AND NON-SKED PAX CARRYING OPS MORE THAN 30 PAX SEATS.

›CLSD TO SKED ACR OPS GTR THAN 9 PAX SEATS; UNSKED ACR OPS GTR THAN 30 PAX SEATS 1 HR PPR; INDEX B ARFF 1 HR PPR; INDEX C ARFF 4 HR PPR - 219-949-4910.

›FOR CD WHEN ATCT IS CLSD CTC CHICAGO APCH AT 847-289-0926.

›ARNG: OPS 1230Z-2330Z++ TUES-FRI. MIL F/W OR R/W PRKG OR SVC ON ARNG RAMP 24 HR PPR - 219-977-2017.

›LINE OF SIGHT NA BTN INTERSECTING RWY ENDS.

›TWY A, A1-A8 & C NORTH OF RWY 12/30 AVBL TO ACR MORE THAN 9 PAX SEATS.

›UNCTLD VEHICLES N SIDE RAMPS.

›BIRDS & WILDLIFE ON & INVOF ARPT.

OFFICIAL LINKS & SOURCES

↗Search NOTAMs (official FAA NOTAM Search)

↗Official airport website

↗Wikipedia

↗KGYY on OurAirports

FREQUENTLY ASKED

Does KGYY have a METAR?

Yes. KGYY has a current METAR observation, decoded into plain English on this page.

Does KGYY have a TAF?

Yes, a TAF is issued for KGYY; the decoded forecast timeline is shown above.

What is the field elevation at KGYY?

KGYY sits at 591 ft MSL, which factors into the density-altitude estimate on this page.

Is this an official preflight weather briefing for KGYY?

No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.

This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.