WxDecoder

LL01 Weather OSF Family Medical Center Heliport

Monmouth, IllinoisElevation 760 ftHeliport
OFF-FIELD REFERENCE
Nearest report: KGBG · 10 NM E · 12 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 · KGBG
WIND
140@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 140° at 3 kt, visibility 10 SM, temperature 14.1C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight mostly cloudy, low near 53F, 1% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES
Thunderstorms in the forecastWeather.gov
Friday: Chance Showers And Thunderstorms. Watch for developing convection and plan alternates.
DayConditionsTemp FWindGustsPrecipPilot note
Tonight Mostly Cloudy 53 0 kt – 1%
Monday Mostly Cloudy 74/52 E 4 kt – 3%
Tuesday Mostly Cloudy 73/56 SE 9 kt – 6%
Wednesday Mostly Sunny 76/58 S 9 kt – 20%
Thursday Chance Rain Showers 77/58 SW 9 kt – 43%
Friday Chance Showers And Thunderstorms 77/58 S 9 kt – 43% Thunderstorms in the forecast
Saturday Rain Showers Likely 72/57 S 9 kt – 59%
Sunday Slight Chance Rain Showers 71 W 9 kt – 24%

Source: National Weather Service (office DVN). Forecast issued 0147Z.

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 LL01. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 30 ft

H1
Dimensions
30 x 30 ft
Surface
Concrete
Edge lights
FLD
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
760 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2307Z 6:07 PM
Sunrise
1226Z 7:26 AM
Loggable night
2336Z (6:36 PM local) → 1157Z (6:57 AM local)
end of evening to start of morning civil twilight
Position lights required
2307Z (6:07 PM local) → 1226Z (7:26 AM local)
sunset to sunrise (91.209)
Night passenger currency
0007Z (7:07 PM local) → 1126Z (6:26 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

OSF Family Medical Center Heliport is in Monmouth, Illinois. Field elevation 760 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeHeliport
ManagerDOUG KINNEY
Manager phone309-734-3141
AttendedContinuous (24 hours)
CHARTS & AIRSPACE
ICAO / IATALL01
SectionalCHICAGO
Center (ARTCC)CHICAGO
Flight service (AFSS)KANKAKEE
RegionIllinois
CountryUnited States
Coordinates40.9216, -90.6590
Distance from city1 NM NW
SERVICES & LIGHTING
Control towerNon-towered
Field lightingSunset to sunrise
AIRCRAFT ACTIVITY

LL01 traffic patterns

2026-06-16 to 2026-06-16, 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: Tue · Busiest month: Jun

FLEET MIX
Helicopter 100%

Mostly rotorcraft.

TOP AIRCRAFT TYPES
›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

LL01 has no on-field report. Nearest reporting station: KGBG (10 NM E, VFR).

KGBG Galesburg Municipal Airport
10 NM E
VFR
KBRL Southeast Iowa Regional Airport
23 NM W
VFR
KMQB Macomb Municipal Airport
24 NM S
VFR
KMLI Quad City International Airport
32 NM N
VFR
KFSW Fort Madison Municipal Airport
34 NM SW
VFR
KMUT Muscatine Municipal Airport
35 NM NW
VFR
AIRPORT REMARKS

Operational remarks

›PROVIDED INGRESS/EGRESS OPNS CONDUCTED N OF THE HELIPORT WI A QUADRANT CCW FM 270 TO 010DEG.
›PLINE 150' SOUTH AND LGTD 30' FLAG POLE 150' EAST.
›MEDICAL USE.
›FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗LL01 on OurAirports
FREQUENTLY ASKED
Does LL01 have a METAR?
No on-field METAR is issued for LL01. This page uses the nearest reporting station as a reference.
Does LL01 have a TAF?
No TAF is issued directly for LL01. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at LL01?
LL01 sits at 760 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for LL01?
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.