WxDecoder

16LL Weather Oak Landing Heliport

Bull Valley, IllinoisElevation 870 ftHeliport
OFF-FIELD REFERENCE
Nearest report: KUGN · 24 NM E · 29 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 · KUGN
WIND
240@6
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 calm, visibility 10 SM, temperature 12C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight mostly cloudy then patchy fog, low near 49F, 2% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES
Thunderstorms in the forecastWeather.gov
Thursday: Chance Rain Showers then Slight Chance Showers And Thunderstorms. Watch for developing convection and plan alternates.
DayConditionsTemp FWindGustsPrecipPilot note
Tonight Mostly Cloudy then Patchy Fog 49 WNW 9 kt – 2%
Monday Patchy Fog then Mostly Cloudy 61/47 NE 13 kt – 3%
Tuesday Mostly Cloudy 66/54 ESE 9 kt – 10%
Wednesday Mostly Sunny 70/56 SSW 9 kt – 18%
Thursday Chance Rain Showers then Slight Chance Showers And Thunderstorms 74/54 SW 9 kt – 26% Thunderstorms in the forecast
Friday Chance Rain Showers 72/56 SE 4 kt – 38%
Saturday Chance Rain Showers 70/55 SSE 4 kt – 52%
Sunday Chance Rain Showers 68 SW 4 kt – 35%

Source: National Weather Service (office LOT). Forecast issued 0412Z.

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 16LL. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail

H1
Dimensions
100 x 100 ft
Surface
TURF
FIELD CONDITIONS

Field elevation

Field elevation
870 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2256Z 5:56 PM
Sunrise
1219Z 7:19 AM
Loggable night
2325Z (6:25 PM local) → 1150Z (6:50 AM local)
end of evening to start of morning civil twilight
Position lights required
2256Z (5:56 PM local) → 1219Z (7:19 AM local)
sunset to sunrise (91.209)
Night passenger currency
2356Z (6:56 PM local) → 1119Z (6:19 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

Oak Landing Heliport is in Bull Valley, Illinois. Field elevation 870 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
TypeHeliport
CHARTS & AIRSPACE
ICAO / IATA16LL
RegionIllinois
CountryUnited States
Coordinates42.3000, -88.3806
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

16LL traffic patterns

2026-09-01 to 2026-10-17, 3 days observed · data 2026-10-23

Low confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
1
AVG OPS/DAY
2
Operations trend (1 days)

Busiest day: Sat · Busiest month: Oct

FLEET MIX
Piston single 100%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›C172 (Piston single) · ~1 landings/mo
›C210 (Piston single) · ~0 landings/mo
›P28A (Piston single) · ~0 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

16LL has no on-field report. Nearest reporting station: KUGN (24 NM E, VFR).

KUGN Waukegan National Airport
24 NM E
VFR
KDPA Dupage Airport
24 NM S
VFR
KENW Kenosha Regional Airport
27 NM NE
VFR
KORD Chicago O'Hare International Airport
29 NM SE
VFR
KARR Aurora Municipal Airport
32 NM S
VFR
KRFD Chicago Rockford International Airport
32 NM W
VFR
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗16LL on OurAirports
FREQUENTLY ASKED
Does 16LL have a METAR?
No on-field METAR is issued for 16LL. This page uses the nearest reporting station as a reference.
Does 16LL have a TAF?
No TAF is issued directly for 16LL. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 16LL?
16LL sits at 870 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 16LL?
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.