Dense Fog Advisory
until FRI 10:00 AM CST, Eastern Will County, Kane County, DeKalb County, Northern Cook County, Northern Will County, Kendall County, McHenry County, Central Cook County, Southern Cook County, Lake County, La Salle County, Kankakee County, Grundy County, Southern Will County, DuPage County, Newton County, Lake County, Porter County, Jasper County
