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.
2026/05/14 12:22 (retrieved 3 hours ago)
TAF KDEC 141120Z 1412/1512 VRB04KT P6SM SKC FM142300 17005KT P6SM FEW250 FM150900 17009G20KT P6SM VCSH BKN080 PROB30 1509/1512 4SM -TSRA OVC025CB