WxDecoder

KM21 METAR Muhlenberg County Airport

Greenville, KentuckyElevation 422 ftSmall airport
CURRENT STATUS
VFR4 min old
No ceiling, visibility 10 SM.
FLIGHT CATEGORY
VFR
ceiling & visibility
WIND
Calm
no steady wind
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
CURRENT METAR

Decoded observation

Observed 2215Z (5:15 PM local) · 4 min old

KM21 is currently VFR. Winds are calm. Visibility is 10 statute miles. There is no ceiling.

WIND
Calm
No steady wind.
VISIBILITY
10 statute miles
16.1 km, good.
CEILING & SKY
CLR
FEW and SCT layers are not ceilings.
ALTIMETER
30.36 inHg
1028.1 hPa, above standard.
WEATHER & HAZARDS
No significant hazards
No precipitation or obscuration reported.

Codes in this report: AUTO CLR RMK AO2

Hover or tap any group for a plain-English explanation.

REMARKS: DECODED
AO2
automated station with a precipitation discriminator (can tell rain from snow)
SUGGESTED RISK · TRAINING USE

Suggested risk level: Low

›No TAF available for this airport.

A suggested risk level for training and situational awareness only, not a go/no-go authority. Verify with official sources and apply your personal minimums.

FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

Current aviation conditions show flight category VFR, wind calm, visibility 10 SM, ceiling none. Forecast suggests this afternoon sunny, high near 78F, low near 48F, 0% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
This Afternoon Sunny 78/48 0 kt – 0%
Monday Partly Sunny 76/48 W 2 kt – 0%
Tuesday Mostly Sunny 75/51 ESE 2 kt – 0%
Wednesday Mostly Sunny 76/50 S 5 kt – 0%
Thursday Sunny 79/50 S 5 kt – 0%
Friday Mostly Sunny 79/57 SSE 3 kt – 6%
Saturday Slight Chance Rain Showers 76/60 SSE 6 kt – 79%

Source: National Weather Service (office PAH). Forecast issued 2219Z.

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 · crosswind ranking
NESW0624CALMCALMCALMCALMCALM
WIND USED
Wind calm or variable
Crosswind ranking is unavailable until the wind has a steady direction.
Components are estimates from the current METAR wind and runway heading. Verify with the Chart Supplement and NOTAMs.
RUNWAYS

Runway detail & declared distances

1 runway · longest 5,000 ft

06/24
Dimensions
4,999 x 75 ft
Surface
Asphalt (good)
Edge lights
MED
RWY 0656°T
REILYes
VGSIPAPI (P2L)
Traffic patternLeft
RWY 24236°T
Landing length (LDA)4,600 ft
TORA / TODA / ASDA5,000 / 5,000 / 5,000 ft
Displaced threshold400 ft
REILYes
VGSIPAPI (P2L)
Traffic patternLeft

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
422 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2259Z 5:59 PM
Sunrise
1206Z 7:06 AM
Loggable night
2325Z (6:25 PM local) → 1140Z (6:40 AM local)
end of evening to start of morning civil twilight
Position lights required
2259Z (5:59 PM local) → 1206Z (7:06 AM local)
sunset to sunrise (91.209)
Night passenger currency
2359Z (6:59 PM local) → 1106Z (6:06 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

Muhlenberg County Airport is in Greenville, Kentucky. Field elevation 422 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPublicly owned
UseOpen to the public
TypeSmall airport
ManagerED TACKETT
Manager phone270-225-8093
AttendedALL MON-FRI, 0800–1700
CHARTS & AIRSPACE
ICAO / IATAKM21
SectionalST LOUIS
Center (ARTCC)MEMPHIS
Flight service (AFSS)LOUISVILLE
RegionKentucky
CountryUnited States
Coordinates37.2260, -87.1570
Distance from city2 NM NE
SERVICES & LIGHTING
FuelJet A+
Control towerNon-towered
Field lightingSee remarks
BeaconSunset to sunrise · White-green (lighted land airport)
CTAF123.000
UNICOM123.000
FREQUENCIES

Communications

126.4
EVANSVILLE APP/DEP
A/D
120.375
AWOS 3
AWOS
123
CTAF/UNICOM
UNIC
123.000
CTAF
CTAF
123.000
UNICOM
UNICOM

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

Current flight category at nearby reporting stations.

KOWB Owensboro Daviess County Airport
31 NM N
VFR
KHOP Campbell Army Airfield (Fort Campbell)
37 NM SW
VFR
KCKV Clarksville–Montgomery County Regional Airport
38 NM S
VFR
KBWG Bowling Green Warren County Regional Airport
39 NM SE
VFR
KEVV Evansville Regional Airport
52 NM N
VFR
KGLW Glasgow Municipal Airport
59 NM E
VFR
AIRPORT REMARKS

Operational remarks

›ACTVT REIL RWY 06 & 24; PAPI RWY 06 & 24; MIRL RWY 06/24 - CTAF.
›EXISTED PRIOR TO 1959.
›FOR CD CTC CAMPBELL APCH AT 270-798-6441.
›AFT HR - AMGR.
›27:1 AT DSPLCD THR.
›FUEL AVBL H24 WITH CREDIT CARD.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗KM21 on OurAirports
FREQUENTLY ASKED
Does KM21 have a METAR?
Yes. KM21 has a current METAR observation, decoded into plain English on this page.
Does KM21 have a TAF?
When KM21 issues a TAF, its decoded forecast timeline loads live on this page; otherwise use the nearest TAF-issuing field as a planning reference.
What is the field elevation at KM21?
KM21 sits at 422 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for KM21?
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.