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.
2026/01/15 12:28 (retrieved 2 hours ago)
TAF KDEC 151126Z 1512/1612 33009KT P6SM SCT025 FM151900 24009KT P6SM SCT150 BKN250 FM152300 20010KT P6SM BKN100 FM160300 20012KT 2SM -SN BR OVC015 FM160700 21014KT P6SM SCT015 BKN035