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.
2026/01/14 09:53 (retrieved 29 minutes ago)
KMTO 140953Z AUTO 27009KT 10SM OVC041 06/02 A2967 RMK AO2 SLP047 T00610022
Closest aviation forecast (TAF) to Williamson Airport
Closest forecast is Decatur Airport, 37.1 nm (68.7 km) NNW.
2026/01/14 07:27 Ammendment (retrieved 3 hours ago)
TAF AMD KDEC 140724Z 1407/1506 28010KT P6SM SCT025 BKN035 OVC120 FM140800 30010KT P6SM BKN025 OVC030 FM141200 32014G25KT P6SM BKN025 OVC030 PROB30 1415/1417 4SM -SN FM141700 34018G29KT P6SM BKN035 FM150200 34013G21KT P6SM SCT250