Public forecast
Using degrees Fahrenheit for public forecast. Weather courtesy of Meteomatics.
Closest aviation weather report (METAR) to Williamson Airport
Closest report is Coles County Memorial Airport, 11.7 nm (21.7 km) NE.
2026/05/29 17:53 (retrieved 42 minutes ago)
KMTO 291753Z AUTO 09007KT 10SM CLR 26/14 A3001 RMK AO2 SLP159 T02610144 10261 20178 58015
Closest aviation forecast (TAF) to Williamson Airport
Closest forecast is Decatur Airport, 37.1 nm (68.7 km) NNW.
2026/05/29 17:30 Ammendment (retrieved 1 hour ago)
TAF AMD KDEC 291727Z 2917/3018 13007KT P6SM SCT050 BKN200 FM300100 11005KT P6SM BKN250 FM301400 09009KT P6SM SCT100 BKN250