The Herald-News

Will County experiences flash flooding in storms

4-8 inches of rain in 24-hour period

Areas shown here were hit with anywhere between 4 to  8 inches of rain from Sunday evening through Monday, Aug. 17-18, 2025, according to the National Weather Service.

The storms over the past two days have left a lot of standing water in low-lying ditches, fields, and even roadways across the region.

From Monday through early morning Tuesday several rounds of storms moved across northern Illinois and northwestern Indiana dumping anywhere between 4-8 inches of rain, including in Will County.

Mokena was hit by “significant flash flooding,” according to the National Weather Service.

The hardest-hit areas in Illinois were between the Interstate 80 and Interstate 88 corridors, according to the NWS.

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Judy Harvey

Judy Harvey

News editor for The Herald-News. More than 30 years as a journalist in community news in Will County and the greater Chicago region.