WxDecoder

US-4886 Weather Air Evac 11 Heliport

Mount Vernon, IllinoisElevation 449 ftHeliport
OFF-FIELD REFERENCE
Nearest report: KMVN · 0 NM NW · 57 min old
No ceiling, visibility 9 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KMVN
WIND
Calm
no steady wind
VISIBILITY
9 SM
14.5 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 8C. Treat this as supplemental, not an aviation observation. Forecast suggests monday partly sunny, high near 78F, low near 45F, 1% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Monday Partly Sunny 78/45 SW 5 kt – 1%
Tuesday Partly Sunny 76/46 SSE 5 kt – 1%
Wednesday Sunny 78/48 SSW 7 kt – 0%
Thursday Sunny 81/50 SSW 9 kt – 1%
Friday Partly Sunny 80/52 S 5 kt – 4%
Saturday Slight Chance Rain Showers 75/53 ESE 6 kt – 47%
Sunday Chance Rain Showers 74 SSE 6 kt – 38%

Source: National Weather Service (office PAH). Forecast issued 0753Z.

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 US-4886. Enter a runway number or heading to estimate wind components.
FIELD CONDITIONS

Field elevation

Field elevation
449 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2304Z 6:04 PM
Sunrise
1215Z 7:15 AM
Loggable night
2331Z (6:31 PM local) → 1148Z (6:48 AM local)
end of evening to start of morning civil twilight
Position lights required
2304Z (6:04 PM local) → 1215Z (7:15 AM local)
sunset to sunrise (91.209)
Night passenger currency
0004Z (7:04 PM local) → 1115Z (6:15 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

Air Evac 11 Heliport is in Mount Vernon, Illinois. Field elevation 449 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
TypeHeliport
CHARTS & AIRSPACE
ICAO / IATAUS-4886
RegionIllinois
CountryUnited States
Coordinates38.3196, -88.8519
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

US-4886 traffic patterns

2026-07-14 to 2026-10-23, 7 days observed · data 2026-10-23

Low confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
0.7
AVG OPS/DAY
1.3
Activity trend over 3 days: flat, from 1 to 1 operations per dayOperations trend (3 days)

Busiest day: Thu · Busiest month: Oct

FLEET MIX
Helicopter 46%Jet 31%Piston single 15%Unknown 8%

Mostly rotorcraft.

TOP AIRCRAFT TYPES
›B06 (Helicopter) · ~1 landings/mo
›B407 (Helicopter) · ~1 landings/mo
›C172 (Piston single) · ~1 landings/mo
›C25A (Jet) · ~1 landings/mo
›EC35 (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

US-4886 has no on-field report. Nearest reporting station: KMVN (0 NM NW, VFR).

KMVN Mount Vernon Outland Airport
0 NM NW
VFR
KENL Centralia Municipal Airport
16 NM NW
VFR
KSLO Salem–Leckrone Airport
20 NM N
VFR
KHSB Harrisburg-Raleigh Airport
34 NM SE
VFR
KMWA Veterans Airport of Southern Illinois
35 NM S
VFR
KMDH Southern Illinois Airport
38 NM SW
VFR
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗US-4886 on OurAirports
FREQUENTLY ASKED
Does US-4886 have a METAR?
No on-field METAR is issued for US-4886. This page uses the nearest reporting station as a reference.
Does US-4886 have a TAF?
No TAF is issued directly for US-4886. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at US-4886?
US-4886 sits at 449 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for US-4886?
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.