3
Runways
9
Frequencies
0
Procedures
1
NOTAM
Quick Facts
ICAO
KMDH
FAA
MDH
Elevation
411.2 ft MSL
Runways
3
Frequencies
9
Tower
Yes
Fuel
100LL,A
Coordinates
37.778, -89.252
Airport Information
Facility Type
AIRPORT
Elevation
411.2 ft MSL
Control Tower
Yes
Fuel Types
100LL,A
ARTCC
KANSAS CITY
Coordinates
37.7781, -89.2520
Ownership
Public
Hours of Operation
Current Weather
METAR KMDH 131952Z 32013G24KT 10SM CLR 24/03 A3001 RMK AO2 PK WND 35028/1931 SLP159 T02440033
Flight Category
VFR
Wind
320° at 13 kt G24
Visibility
10+ SM
Temperature
24.4°C
Dewpoint
3.3°C
Altimeter
1016.30 inHg
Cloud Cover
CLR
Observed 2026-05-13 19:52Z
Runways
| ID | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 06/24 | 4,163 ft | 100 ft | ASPH | MED |
| 18L/36R | 6,506 ft | 100 ft | ASPH | HIGH |
| 18R/36L | 3,498 ft | 60 ft | ASPH | MED |
Frequencies
| Type | Frequency | Name |
|---|---|---|
| ATIS | 119.725 | SOUTHERN ILLINOIS |
| CTAF | 125.35 | SOUTHERN ILLINOIS |
| GND/P | 121.8 | SOUTHERN ILLINOIS |
| LCL/P | XXX.XXX | SOUTHERN ILLINOIS |
| LCL/P | XXX.XXX | SOUTHERN ILLINOIS |
| LCL/S | XXX.XXX | SOUTHERN ILLINOIS |
| MARION RCAG | XXX.XXX | MARION |
| MARION RCAG | XXX.XXX | MARION |
| UNICOM | XXX.XXX | SOUTHERN ILLINOIS |
Active NOTAMs
MDH 26/003
2026-05-05 13:02 – 2026-05-20 12:02
Nearby Airports in Illinois
Nearest airports
- 35IL — 7TH HEAVEN
LA MOILLE
- 35IL — 7th Heaven Airport
La Moille
- KSPI — ABRAHAM LINCOLN CAPITAL
SPRINGFIELD
- 70LL — ADAMS NUMBER 1
PONTIAC
- 2LL7 — ADAMS NUMBER 2
PONTIAC
Illinois airports
KMDH Operational Overview
Location & Facility
SOUTHERN ILLINOIS (KMDH) is a publicly owned airport open to the public located in CARBONDALE/MURPHYSBORO, Illinois, United States. The field sits at an elevation of 411.2 feet above mean sea level (MSL) at coordinates 37.7781°N, 89.2520°W.
Runways
SOUTHERN ILLINOIS has 3 runways. The longest runway (06/24) measures 4,163 feet by 100 feet with a asph surface. Other runways include 18L/36R (6,506 ft, ASPH), 18R/36L (3,498 ft, ASPH).
Communications & Operations
SOUTHERN ILLINOIS is a towered airport. ATIS is available on 119.725 MHz. A total of 9 communication frequencies are published for this facility.
Services & Fuel
SOUTHERN ILLINOIS offers 100LL,A fuel. Pilots planning fuel stops should confirm availability with the FBO, as hours and pricing may vary.
Current Conditions
The current flight category at SOUTHERN ILLINOIS is VFR (Visual Flight Rules — good flying conditions). Weather conditions are updated in real-time from official NOAA Aviation Weather Center observations. There is currently 1 active NOTAM for this facility.
Frequently Asked Questions
What is KMDH?
KMDH is the ICAO identifier for SOUTHERN ILLINOIS, a public-use airport located in CARBONDALE/MURPHYSBORO, Illinois, United States.
How many runways does SOUTHERN ILLINOIS have?
SOUTHERN ILLINOIS (KMDH) has 3 runways. See the runway table above for dimensions and surface types.
What is the elevation of KMDH?
The field elevation of SOUTHERN ILLINOIS is 411.2 feet above mean sea level (MSL).
Is fuel available at KMDH?
Yes, SOUTHERN ILLINOIS offers 100LL,A fuel.
What are the current weather conditions at KMDH?
The current flight category at SOUTHERN ILLINOIS is VFR. See the METAR section above for full decoded weather data including wind, visibility, temperature, and altimeter.
Are there active NOTAMs at KMDH?
There are currently 1 active NOTAM for SOUTHERN ILLINOIS. Sign up for AeroCopilot to read decoded NOTAM text and AI interpretations.
How do I access complete data for KMDH?
Sign up for a free AeroCopilot account to access all frequencies, full NOTAM text with AI interpretation, decoded forecasts, and IFR procedure charts for SOUTHERN ILLINOIS.
Where is SOUTHERN ILLINOIS located?
SOUTHERN ILLINOIS (KMDH) is located in CARBONDALE/MURPHYSBORO, Illinois, United States, at an elevation of 411.2 ft MSL.