Dense Fog Advisory Expiration for McHenry Co., IL

WxNotify C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX WWUS73 KLOT 181659 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 1059 AM CST Thu Dec 18 2025 /O.EXP.KLOT.FG.Y.0016.000000T0000Z-251218T1700Z/ Winnebago-Boone-McHenry-Ogle-Lee-De Kalb-Kane- Including the cities of Woodstock, Aurora, DeKalb, Sycamore, Belvidere, Algonquin, Rockford, Crystal Lake, Elgin, Oregon, Rochelle, Dixon, Byron, and McHenry 1059 AM CST Thu Dec 18 2025 ...DENSE FOG ADVISORY WILL EXPIRE AT 11 AM CST THIS MORNING... The threat for hazardous driving conditions due to low visibility is diminishing. https://p.wxn.io/1enot Source: nwws © 2025 WxNotify. All rights reserved.