Public forecast
Using degrees Fahrenheit for public forecast. Weather courtesy of Meteomatics.
Closest aviation weather report (METAR) to Williamson Airport
Closest report is Taylorville Municipal Airport, 21.7 nm (40.3 km) WNW.
(retrieved 0 seconds ago)
Closest aviation forecast (TAF) to Williamson Airport
Closest forecast is Decatur Airport, 22.5 nm (41.6 km) N.
2026/03/18 12:22 (retrieved 3 hours ago)
TAF KDEC 181120Z 1812/1912 17013G23KT P6SM BKN050 FM181500 19013G22KT P6SM SCT150 FM181700 22012KT P6SM SKC FM190200 VRB04KT P6SM BKN250 FM190700 VRB04KT P6SM BKN150