0IL4 Weather Advocate Good Samaritan Hospital Heliport

Downers Grove, IllinoisElevation 772 ftHeliport
OFF-FIELD REFERENCE
Nearest report: KORD · 11 NM NE · 36 min old
Ceiling 25,000 ft, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KORD
WIND
180@5
steady
VISIBILITY
10 SM
16.1 km
CEILING
25,000 ft
lowest BKN/OVC
FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

No aviation METAR is published for this airport. The nearest National Weather Service station reports wind from 180° at 3 kt, visibility 10 SM, temperature 21C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight mostly cloudy, low near 52F, 1% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES
Thunderstorms in the forecastWeather.gov
Thursday: Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms. Watch for developing convection and plan alternates.
DayConditionsTemp FWindGustsPrecipPilot note
Tonight Mostly Cloudy 52 SW 4 kt – 1%
Monday Patchy Fog then Mostly Cloudy 63/50 NNE 9 kt – 3%
Tuesday Mostly Cloudy 68/56 SE 9 kt – 7%
Wednesday Mostly Sunny 71/58 S 9 kt – 7%
Thursday Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms 76/57 SW 9 kt – 22% Thunderstorms in the forecast
Friday Chance Rain Showers 74/58 SSE 4 kt – 32%
Saturday Chance Rain Showers 71/57 S 9 kt – 53%
Sunday Chance Rain Showers 69 SW 9 kt – 41%

Source: National Weather Service (office LOT). Forecast issued 2326Z.

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
Crosswind calculator
No runway layout is available for 0IL4. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 40 ft

H1
Dimensions
40 x 40 ft
Surface
Concrete (good)
Edge lights
PERI
RWY H1

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

FIELD CONDITIONS

Field elevation

Field elevation
772 ft MSL

Density and pressure altitude need a current temperature and altimeter from the METAR.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2255Z 5:55 PM
Sunrise
1216Z 7:16 AM
Loggable night
2324Z (6:24 PM local) → 1148Z (6:48 AM local)
end of evening to start of morning civil twilight
Position lights required
2255Z (5:55 PM local) → 1216Z (7:16 AM local)
sunset to sunrise (91.209)
Night passenger currency
2355Z (6:55 PM local) → 1116Z (6:16 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

Advocate Good Samaritan Hospital Heliport is in Downers Grove, Illinois. Field elevation 772 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeHeliport
ManagerJAMES LYONS
Manager phone630-275-1053
AttendedContinuous (24 hours)
CHARTS & AIRSPACE
ICAO / IATA0IL4
SectionalCHICAGO
Center (ARTCC)CHICAGO
Flight service (AFSS)KANKAKEE
RegionIllinois
CountryUnited States
Coordinates41.8187, -88.0077
Distance from city2 NM N
SERVICES & LIGHTING
Control towerNon-towered
Field lightingSunset to sunrise
BeaconSee remarks · White-green-yellow (heliport)
AIRCRAFT ACTIVITY

0IL4 traffic patterns

2026-08-08 to 2026-08-08, 1 days observed · data 2026-10-23

Insufficient confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
1
AVG OPS/DAY
1
Operations trend (1 days)

Busiest day: Sat · Busiest month: Aug

FLEET MIX
Helicopter 100%

Mostly rotorcraft.

TOP AIRCRAFT TYPES
›EC35 (Helicopter) · ~1 landings/mo
›EC45 (Helicopter) · ~1 landings/mo
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

0IL4 has no on-field report. Nearest reporting station: KORD (11 NM NE, VFR).

AIRPORT REMARKS

Operational remarks

›FOR CD CTC CHICAGO APCH AT 847-289-0926.
›APCH/DEP 020-040 DEGS AND 120-140 DEGS; AREA IS MKD; WIND INDICATOR IS MAINTAINED.
›24 HRS.
FREQUENTLY ASKED
Does 0IL4 have a METAR?
No on-field METAR is issued for 0IL4. This page uses the nearest reporting station as a reference.
Does 0IL4 have a TAF?
No TAF is issued directly for 0IL4. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 0IL4?
0IL4 sits at 772 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 0IL4?
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.