Public forecast
Using degrees Fahrenheit for public forecast. Weather courtesy of Meteomatics.
Current aviation weather report (METAR) for Southern Illinois Airport
2026/03/12 12:52 (retrieved 18 minutes ago)
KMDH 121252Z 00000KT 10SM CLR 01/M01 A3033 RMK AO2 SLP272 T00061006
Closest aviation forecast (TAF) to Southern Illinois Airport
Closest forecast is Cape Girardeau Regional Airport, 36.5 nm (67.6 km) SSW.
2026/03/12 12:22 (retrieved 48 minutes ago)
TAF KCGI 121120Z 1212/1312 34005KT P6SM SKC FM121800 VRB05KT P6SM FEW250 FM122100 22006KT P6SM FEW250 FM130100 19010G17KT P6SM FEW250 FM130700 21015KT P6SM FEW250 WS020/22040KT FM131100 22015G28KT P6SM FEW250