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.
2026/04/15 00:53 (retrieved 36 minutes ago)
KMTO 150053Z AUTO 20012G20KT 10SM CLR 26/18 A2981 RMK AO2 PK WND 19032/0002 SLP089 T02560178
Closest aviation forecast (TAF) to Williamson Airport
Closest forecast is Decatur Airport, 37.1 nm (68.7 km) NNW.
2026/04/15 00:22 (retrieved 1 hour ago)
TAF KDEC 142320Z 1500/1524 19015G26KT P6SM SCT045 BKN120 FM151300 22013G22KT P6SM VCSH BKN180 PROB30 1516/1520 3SM -TSRA OVC025CB