Dense Fog Advisory discontinued – flooding in parts of the Chicago area


CHICAGO — While visibility has improved dramatically in most sections and the area-wide Dense Fog Advisory is no longer in effect, overnight thunderstorm downpours in excess of an inch and subsequent heavy runoff of frozen soils has triggered Flood Warnings until 7:45AM CST this Tuesday morning for urban areas and small streams (see green-shaded areas on headlined map above) in parts of Cook, DuPage and Will Counties. Flooded roads were reported in Morton Grove, Des Plaines and Naperville overnight.

Some early 24-hour rainfall reports…

Countryside…1.30 inches
Elmhurst…1.26 inches
South side of Chicago…1.38 inches
Lily Lake…1.33 inches
Dixon…1.46 inches
Beach Park…1.19 inches
Somonauk…1.17 inches
Elburn…1.15 inches
Peotone….0.98 inches
Park Forest…0.90 inches