WxDecoder

US-4780 Weather Chicago Helicopter Experience Heliport

Chicago, IllinoisElevation 582 ftHeliport
OFF-FIELD REFERENCE
Nearest report: KMDW · 6 NM SW · 16 min old
No ceiling, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KMDW
WIND
210@3
steady
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
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 210° at 4 kt, visibility 10 SM, temperature 14C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight partly cloudy, low near 55F, 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 Partly Cloudy 55 WSW 9 kt – 1%
Monday Patchy Fog then Mostly Cloudy 60/52 NNE 13 kt 22 kt 3%
Tuesday Mostly Cloudy 65/56 SE 13 kt – 4%
Wednesday Mostly Sunny 68/58 SSW 9 kt – 6%
Thursday Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms 74/57 SW 9 kt – 23% Thunderstorms in the forecast
Friday Chance Rain Showers 72/58 SSE 4 kt – 29%
Saturday Chance Rain Showers 70/57 S 4 kt – 53%
Sunday Chance Rain Showers 67 SSW 9 kt – 42%

Source: National Weather Service (office LOT). Forecast issued 0423Z.

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 US-4780. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail

H1
Dimensions
54 x 54 ft
Surface
CON
Lighting
Lighted
FIELD CONDITIONS

Field elevation

Field elevation
582 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2254Z 5:54 PM
Sunrise
1215Z 7:15 AM
Loggable night
2323Z (6:23 PM local) → 1146Z (6:46 AM local)
end of evening to start of morning civil twilight
Position lights required
2254Z (5:54 PM local) → 1215Z (7:15 AM local)
sunset to sunrise (91.209)
Night passenger currency
2354Z (6:54 PM local) → 1115Z (6:15 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

Chicago Helicopter Experience Heliport is in Chicago, Illinois. Field elevation 582 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
TypeHeliport
CHARTS & AIRSPACE
ICAO / IATAUS-4780
RegionIllinois
CountryUnited States
Coordinates41.8482, -87.6484
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

US-4780 traffic patterns

2026-06-19 to 2026-10-19, 12 days observed · data 2026-10-23

Medium confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
2
AVG OPS/DAY
3.4
Activity trend over 5 days: falling, from 2 to 1 operations per dayOperations trend (5 days)

Busiest day: Sat · Busiest month: Sep

FLEET MIX
Unknown 43%Helicopter 32%Piston single 26%

Fleet composition unclear from available data.

TOP AIRCRAFT TYPES
›UNKN (Unknown) · ~5 landings/mo
›PA18 (Piston single) · ~2 landings/mo
›R44 (Helicopter) · ~2 landings/mo
›B429 (Helicopter) · ~1 landings/mo
›C150 (Piston single) · ~1 landings/mo
LIKELY BASED AIRCRAFT
Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly aircraft of unknown type.

›UNKN (Unknown)
›R44 (Helicopter)
›PA18 (Piston single)

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

US-4780 has no on-field report. Nearest reporting station: KMDW (6 NM SW, VFR).

KMDW Chicago Midway International Airport
6 NM SW
VFR
KORD Chicago O'Hare International Airport
14 NM NW
VFR
KLOT Lewis University Airport
25 NM SW
VFR
KDPA Dupage Airport
27 NM W
VFR
KJOT Joliet Regional Airport
31 NM SW
VFR
KUGN Waukegan National Airport
36 NM N
VFR
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗US-4780 on OurAirports
FREQUENTLY ASKED
Does US-4780 have a METAR?
No on-field METAR is issued for US-4780. This page uses the nearest reporting station as a reference.
Does US-4780 have a TAF?
No TAF is issued directly for US-4780. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at US-4780?
US-4780 sits at 582 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for US-4780?
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.