wxdecoder
9IL4

Thompson Airport

Steward, IllinoisElevation 790 ftSmall airport

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RUNWAYS

Runway detail & declared distances

1 runway · longest 1,385 ft

18/36
Dimensions
1,385 x 100 ft
Surface
Turf
RWY 18
Traffic patternRight
RWY 36

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

AIRPORT INFORMATION

Facility & services

Thompson Airport is in Steward, Illinois. Field elevation 790 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeSmall airport
ManagerROSIE THOME
Manager phone815-508-7187
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATA9IL4
SectionalCHICAGO
Center (ARTCC)CHICAGO
Flight service (AFSS)KANKAKEE
RegionIllinois
CountryUnited States
Coordinates41.8072, -89.0481
Distance from city3 NM SW
SERVICES & LIGHTING
Control towerNon-towered
AIRPORT REMARKS

Operational remarks

›PROVIDED CLEAR 20:1 APCHS, CLEAR OBSTACLE FREE ZONE, AND TRAFFIC PATTERNS ARE FLOWN TO THE WEST TO DECONFLICT WITH TPA 3IL7 ARPT.
›100 FT POWERLINE 1940 FT S OF RY 36.
›FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗9IL4 on OurAirports
FREQUENTLY ASKED
Does 9IL4 have a METAR?
No on-field METAR is issued for 9IL4. This page uses the nearest reporting station as a reference.
Does 9IL4 have a TAF?
No TAF is issued directly for 9IL4. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 9IL4?
9IL4 sits at 790 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 9IL4?
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.