WxDecoder

4LL0 Weather Ranken Airport

Steward, IllinoisElevation 785 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KRFD · 22 NM N · 48 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 · KRFD
WIND
Calm
no steady wind
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 calm, visibility 10 SM. Treat this as supplemental, not an aviation observation. Forecast suggests tonight mostly cloudy, low near 49F, 2% 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 49 WSW 4 kt – 2%
Monday Patchy Fog then Mostly Cloudy 66/48 NE 9 kt 17 kt 3%
Tuesday Mostly Cloudy 69/55 SE 9 kt – 10%
Wednesday Mostly Sunny 72/56 S 9 kt – 17%
Thursday Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms 76/55 SW 9 kt – 35% Thunderstorms in the forecast
Friday Chance Rain Showers 76/56 SSE 9 kt – 39%
Saturday Chance Rain Showers 72/55 SSE 9 kt – 52%
Sunday Chance Rain Showers 70 SW 9 kt – 31%

Source: National Weather Service (office LOT). Forecast issued 0342Z.

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
1 runway
NESWNS
WIND
No on-field weather data
No reporting weather station on the field, so wind components cannot be computed. See nearby stations below.
RUNWAYS

Runway detail & declared distances

1 runway · longest 2,400 ft

N/S
Dimensions
2,400 x 70 ft
Surface
Turf
RWY N181°T
Traffic patternLeft
RWY S1°T
Traffic patternRight

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
785 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2300Z 6:00 PM
Sunrise
1221Z 7:21 AM
Loggable night
2328Z (6:28 PM local) → 1152Z (6:52 AM local)
end of evening to start of morning civil twilight
Position lights required
2300Z (6:00 PM local) → 1221Z (7:21 AM local)
sunset to sunrise (91.209)
Night passenger currency
0000Z (7:00 PM local) → 1121Z (6:21 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

Ranken Airport is in Steward, Illinois. Field elevation 785 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeSmall airport
ManagerLYLE RANKEN
Manager phone815-453-2465
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATA4LL0
SectionalCHICAGO
Center (ARTCC)CHICAGO
Flight service (AFSS)KANKAKEE
RegionIllinois
CountryUnited States
Coordinates41.8359, -89.0934
Distance from city3 NM SW
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

4LL0 has no on-field report. Nearest reporting station: KRFD (22 NM N, VFR).

KRFD Chicago Rockford International Airport
22 NM N
VFR
KSQI Whiteside County Airport - Joseph H Bittorf Field
27 NM W
VFR
KARR Aurora Municipal Airport
28 NM E
VFR
KVYS Illinois Valley Regional Airport Walter A Duncan Field
29 NM S
VFR
KFEP Albertus Airport
33 NM NW
VFR
KDPA Dupage Airport
38 NM E
VFR
AIRPORT REMARKS

Operational remarks

›ALL TRAFFIC PATTERNS WEST OF RWY.
›FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗4LL0 on OurAirports
FREQUENTLY ASKED
Does 4LL0 have a METAR?
No on-field METAR is issued for 4LL0. This page uses the nearest reporting station as a reference.
Does 4LL0 have a TAF?
No TAF is issued directly for 4LL0. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 4LL0?
4LL0 sits at 785 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 4LL0?
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.