Aeronuvia
VFR · Visual Flight Rules

Muhlenberg County Airport

General Aviation Airport · Greenville, KY, United States

Conditions are good for visual flight at Muhlenberg County Airport. It's 72°F with 41% humidity. Winds are calm. Skies are clear.

ICAOKM21IATA—LOCALM21
Zulu · UTC--:--:--Aviation standard time
Local · UTC-6--:--:--Approx. (from longitude)
Elevation422ft129 m
Longest runway5,000ft1,524 m
Runways11 lighted
Coordinates37.23, -87.1637°13'33.5"N 87°09'25.2"W
ClassGeneral AviationNo scheduled service

Current weather

14 min ago
72°F22°C · Dew 47°FVFR — Visual Flight Rules
NESWCalm
  • Visibility10+ sm
  • CeilingSky clear
  • Humidity41%
  • Altimeter30.13 inHg
  • Pressure1020.4 hPa
  • GustsNone

METAR observation

Live
Decode group by group →
RAWMETAR KM21 042315Z AUTO 00000KT 10SM CLR 22/08 A3013 RMK AO2 T02200083
Decoded — plain language
WindCalm
Visibility10+ sm
Temperature72°F / 22°C
Dew point47°F · 41% RH
Altimeter30.13 inHg
CeilingSky clear
Flight categoryVFR — Visual Flight Rules
SkyClear

Observed 04 Oct 2026 23:15Z·Greenville/Muhlenberg Cnty, KY, US·14 min ago

Quick answers

Updated 23:29 UTC
What is the weather at Muhlenberg County Airport (KM21) right now?
Conditions are good for visual flight at Muhlenberg County Airport. It's 72°F with 41% humidity. Winds are calm. Skies are clear. (observed 23:15 UTC)
Is KM21 VFR or IFR right now?
KM21 is currently reporting VFR (Visual Flight Rules), based on the latest METAR.
How many runways does Muhlenberg County Airport have?
Muhlenberg County Airport has 1 runway; the longest is 5,000 ft (1,524 m). Field elevation is 422 ft.
What are the tower and ATIS frequencies at KM21?
AWOS 120.375 MHz (community data — confirm against current charts).
What time is sunrise and sunset at KM21?
On 2026-10-04, sunrise is at 11:46 UTC and sunset at 23:27 UTC; civil twilight ends at 23:53 UTC.
Are there delays at KM21 right now?
The FAA currently reports no ground stops, delay programs or closures at KM21.

Runways

1 total
05/23◐ lit
5,000 ft1,524 × 75 ft · Asphalt

Radio frequencies

3 listed
AWOS120.375AWOS 3
UNICOM123.00CTAF/UNICOM
Approach126.40EVANSVILLE APP/DEP
Frequencies (MHz) come from the OurAirports community dataset and can lag official changes. Confirm against the current chart supplement or AIP before flight.