WxDecoder

40LL Weather Kirby Medical Center Heliport

Monticello, IllinoisElevation 673 ftHeliport
OFF-FIELD REFERENCE
Nearest report: KCMI · 13 NM E · 49 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 · KCMI
WIND
150@4
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 150° at 4 kt, visibility 10 SM, temperature 13C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight partly cloudy, low near 49F, 1% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Tonight Partly Cloudy 49 SSE 4 kt – 1%
Monday Partly Sunny 76/49 SSE 3 kt – 2%
Tuesday Partly Sunny 74/51 SSE 8 kt – 3%
Wednesday Mostly Sunny 77/54 S 10 kt 14 kt 3%
Thursday Sunny 80/54 SSW 10 kt – 9%
Friday Mostly Sunny 80/56 S 9 kt – 12%
Saturday Chance Rain Showers 74/57 S 9 kt – 62%
Sunday Chance Rain Showers 73 SSW 9 kt – 47%

Source: National Weather Service (office ILX). Forecast issued 0242Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

OUR HEADSET PICK · NOT SPONSORED

DC

David Clark DC ONE-X

Not sponsored, just the headset we'd buy ourselves: the DC ONE-X, with hybrid noise canceling, Bluetooth, and 30+ hour battery. And David Clark's A+ customer service is the real reason we recommend them.

Visit David Clark
RUNWAYS & WIND
Crosswind calculator
No runway layout is available for 40LL. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 44 ft

H1
Dimensions
44 x 44 ft
Surface
Concrete (good)
Edge lights
PERI
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
673 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
1216Z 7:16 AM
Loggable night
2328Z (6:28 PM local) → 1148Z (6:48 AM local)
end of evening to start of morning civil twilight
Position lights required
2300Z (6:00 PM local) → 1216Z (7:16 AM local)
sunset to sunrise (91.209)
Night passenger currency
0000Z (7:00 PM local) → 1116Z (6:16 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

Kirby Medical Center Heliport is in Monticello, Illinois. Field elevation 673 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeHeliport
ManagerCRYSTAL ALEXANDER
Manager phone(217) 762-1801
AttendedContinuous (24 hours)
CHARTS & AIRSPACE
ICAO / IATA40LL
SectionalCHICAGO
Center (ARTCC)CHICAGO
Flight service (AFSS)SAINT LOUIS
RegionIllinois
CountryUnited States
Coordinates40.0600, -88.5600
Distance from city2 NM NE
SERVICES & LIGHTING
Control towerNon-towered
Field lightingSunset to sunrise
AIRCRAFT ACTIVITY

40LL traffic patterns

2026-07-24 to 2026-07-24, 1 days observed · data 2026-10-23

Insufficient confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
2
AVG OPS/DAY
4
Operations trend (1 days)

Busiest day: Fri · Busiest month: Jul

FLEET MIX
Turboprop 100%

Mostly turboprop aircraft.

TOP AIRCRAFT TYPES
›AT8T (Turboprop) · ~2 landings/mo
LIKELY BASED AIRCRAFT
Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly turboprop aircraft.

›AT8T (Turboprop)

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

40LL has no on-field report. Nearest reporting station: KCMI (13 NM E, VFR).

KCMI University of Illinois Willard Airport
13 NM E
VFR
KDEC Decatur Airport
20 NM SW
VFR
KBMI Central Illinois Regional Airport at Bloomington-Normal
30 NM NW
VFR
KMTO Coles County Memorial Airport
37 NM S
VFR
KSPI Abraham Lincoln Capital Airport
53 NM W
VFR
KPIA General Wayne A. Downing Peoria International Airport
63 NM NW
VFR
AIRPORT REMARKS

Operational remarks

›FOR CD CTC CHAMPAIGN APCH AT 217-355-4069, WHEN APCH CLSD CTC CHICAGO ARTCC AT 630-906-8921
›PRVDD VFR OPNS AND PVT USE ONLY.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗40LL on OurAirports
FREQUENTLY ASKED
Does 40LL have a METAR?
No on-field METAR is issued for 40LL. This page uses the nearest reporting station as a reference.
Does 40LL have a TAF?
No TAF is issued directly for 40LL. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 40LL?
40LL sits at 673 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 40LL?
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.