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

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Update 8:30AM CST…

The short-term Urban and Small Stream Flood Warning has expired this Tuesday morning, but minor flooding is expected on the following Chicago-area rivers…

East Branch of the DuPage River at Bolingbrook until Wednesday afternoon
Des Plaines River near Russell from Wednesday morning until late Friday
Kankakee River at Shelby affecting Lake and Newton Counties in Indiana until tonight
Kankakee River at Wilmington affecting Grundy and Will Counties until later tonight or early Wednesday


CHICAGO — While visibility has improved dramatically in most sections and the area-wide Dense Fog Advisory is no longer in effect, overnight thunderstorm downpours in excess of an inch and subsequent heavy runoff of frozen soils has triggered Flood Warnings until 7:45AM CST this Tuesday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


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