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.
2026/03/19 00:53 (retrieved 27 minutes ago)
KMTO 190053Z AUTO 17003KT 10SM CLR 09/03 A3004 RMK AO2 SLP176 T00890033
Closest aviation forecast (TAF) to Williamson Airport
Closest forecast is Decatur Airport, 37.1 nm (68.7 km) NNW.
2026/03/19 00:22 (retrieved 58 minutes ago)
TAF KDEC 182320Z 1900/1924 26009KT P6SM SCT200 FM190100 VRB05KT P6SM BKN200 FM191200 15005KT P6SM BKN120