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.
2026/03/11 12:22 (retrieved 1 hour ago)
TAF KDEC 111120Z 1112/1212 29014G22KT 5SM -SHRA OVC009 FM111500 32014G26KT 6SM -SHRA SCT009 BKN015 PROB30 1116/1119 -TSRA BKN008CB FM120500 33012G20KT P6SM SCT250