Flash Flood Watch issued for Chicago area, flooding expected near Des Plaines River

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CHICAGO -- A Flash Flood Watch continues for portions of Illinois and Indiana (dark-green shaded area on highlighted map) through early Monday morning, according to the National Weather Service in Chicago.

Heavy rains Saturday are expected to be followed by moderate to heavy rainfall through Sunday evening. Given how much rain has already fallen, runoff from additional heavy rain may result in flash flooding.

Areas included in the watch include: Cook, DuPage, Ford, Grundy, Iroquois, Kane, Kankakee, Kendall, La Salle, Livingston, and Will counties in Illinois, and Benton, Jasper, Lake IN, Newton, and Porter counties in Indiana.

Flood Advisory on the Chicago River

The North Branch Chicago River at Albany Ave. is also under a Flood Advisory until late Monday night, although water levels are expected to remain below the flood stage through Monday morning. Portions of the Des Plaines River at River Forest are also under the Flood Advisory.

Flood Warning near Riverside

A Flood Warning is in effect for the Des Plaines River at Riverside, and moderate flooding is expected. Water levels were at 6.5' at 10:45 a.m. Sunday and the flood stage is 7', and are forecast to continue to rise to 8.3' by Monday afternoon. Flood damage could affect residences near the junction of Salt Creek and the Des Plaines river if water goes above 8.5'.

The National Weather Service also issued a Flood Warning for the Des Plaines River near Des Plaines from Monday afternoon to late Tuesday night. At 10:45 am Sunday the river was 12.5', and the flood stage is 15'. Minor flooding is expected from Monday afternoon through Tuesday morning, but shouldn't affect residential areas.