Alert USA
weather NWS minor Cook, IL; Lake, IN November 13, 2026 at 11:31 PM

Flood Advisory

* WHAT...Flooding caused by excessive rainfall continues.

* WHERE...Extreme Southeast Central Cook County in northeastern Illinois... Central Lake IN County in northwestern Indiana...

* WHEN...Until 900 AM CST Saturday.

* IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Storm drains and ditches may be clogged with leaf debris increasing the risk of flooding.

* ADDITIONAL DETAILS... - At 530 PM CST, Doppler radar indicated lake effect rain. Minor flooding is ongoing or expected to begin shortly in the advisory area. Several creeks and streams are rising, including the Turkey Creek near Merrillville which has recently risen above bankfull. - Some locations that will experience flooding include... Chicago, Hammond, Gary, Calumet City, Merrillville, South Shore, East Chicago, Schererville, Hobart, Lansing, Crown Point, Highland, Munster, Cedar Lake, Griffith, Dyer, South Deering, St. John, Lake Station, Lynwood, Lakes of the Four Seasons, Whiting, Winfield and New Chicago. - http://www.weather.gov/safety/flood

Flooding in Cook, IL; Lake, IN can cut off roads with little warning, damage homes near low-lying areas, and disrupt power and water service. Even a few inches of moving water can carry away a vehicle.

This report is based on information from NWS, monitored by Alert USA's verified emergency feed.

Alert USA anticipates a high chance of travel disruptions, elevated property risk in low-lying areas, and possible power outages while the event is active.

Recommended steps: avoid flooded roads — turn around, don't drown; move to higher ground if you are in a low-lying area; charge phones and prepare for power loss; check on family and neighbors.

Alert USA is tracking this flood event and will update this report as verified information becomes available.

Verified by Alert USA • NWS

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