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Active official alertUpdated

Flood Warning for Cook, IL; Will, IL; Lake, IN

Official alert fields

What you need to know

Applies to
Cook, Will, Lake
Effective
Ends or expires
Official severity
Severe
Official urgency
Immediate
Official certainty
Likely

What is happening

What: Flooding caused by earlier excessive rainfall continues. Impacts: Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Underpasses may be flooded. Roads and streets may be flooded. Where: Southeastern Cook County in northeastern Illinois... Central Will County...

What the bulletin says to do

A Flood Warning means flooding is imminent or may already be occurring. Persons along rivers, creeks, and other waterways should take immediate precautions to protect life and property. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.

Read official NWS bulletin

Full official description

Bulletin details

* WHAT...Flooding caused by earlier excessive rainfall continues. * WHERE...Southeastern Cook County in northeastern Illinois... Central Will County in northeastern Illinois... Northwestern Lake IN County in northwestern Indiana... * WHEN...Until 1145 PM CDT. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Underpasses may be flooded. Roads and streets may be flooded. * ADDITIONAL DETAILS... At 739 PM CDT, Doppler radar and automated rain gauges indicated that very heavy rainfall occurred across the warned area earlier. Up to 3 inches of rain fell in the past 3 to 6 hours. Some locations that will experience flooding include... Hammond, Gary, Tinley Park, Calumet City, Chicago Heights, East Chicago, Lansing, Oak Forest, Harvey, Highland, Munster, Dolton, Park Forest, Homewood, Matteson, Mokena, Frankfort, and South Holland. http://www.weather.gov/safety/flood

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

2 captured
  1. Update

    Flood Warning issued August 1 at 7:44PM CDT until August 1 at 11:45PM CDT by NWS Chicago IL

    Official revision
  2. Alert

    Flood Warning issued August 1 at 5:44PM CDT until August 1 at 11:45PM CDT by NWS Chicago IL

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Chicago IL. This page reorganizes official fields and does not add a forecast or expand the affected area.

CAP status
Actual
Message type
Update
Last collected
Methodology and corrections