Dense Fog Advisory
until MON 11:00 AM CST, Lake County, Grundy County, Southern Cook County, McHenry County, Southern Will County, Eastern Will County, Central Cook County, Northern Cook County, DeKalb County, La Salle County, Kankakee County, Kane County, Kendall County, Northern Will County, DuPage County, Porter County, Jasper County, Newton County, Lake County
