Public forecast
Using degrees Fahrenheit for public forecast. Weather courtesy of Meteomatics.
Current aviation weather report (METAR) for Southern Illinois Airport
2026/05/12 12:52 (retrieved 55 minutes ago)
KMDH 121252Z 00000KT 10SM CLR 15/09 A3017 RMK AO2 SLP214 T01500094
Closest aviation forecast (TAF) to Southern Illinois Airport
Closest forecast is Cape Girardeau Regional Airport, 36.5 nm (67.6 km) SSW.
2026/05/12 12:22 (retrieved 1 hour ago)
TAF KCGI 121120Z 1212/1312 00000KT P6SM SKC FM121500 22008KT P6SM SKC FM130800 27006KT P6SM BKN090