41°29'N / 87°42'W / Altitud 220 m / 18:54 01/08/2026, America/Chicago (UTC-5)
de: 01/08/2026, 10:22
a: 01/08/2026, 19:00
* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of central and northeast Illinois, including the following areas, in northeast Illinois, Central Cook, DuPage, Eastern Will, Grundy, Kendall, Northern Cook, Northern Will, Southern Cook and Southern Will. In central Illinois, Livingston. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Flooding may occur in poor drainage and urban areas. Area creeks and streams are already elevated, increasing the risk of flooding due to additional rainfall. * ADDITIONAL DETAILS... - A slow moving weather system may bring additional periods of heavy showers and embedded thunderstorms which may lead to localized flooding. Portions of the Flood Watch have already received 2 to locally 4 inches of rainfall and are more susceptible to renewed flash flooding if and where additional heavy rain occurs through early this evening. - http://www.weather.gov/safety/flood
Southern Cook,Cook
A Flood Watch for flash flooding means rapid-onset flooding is
possible, but not yet certain, based upon the latest forecasts. Flash
flooding is a dangerous situation. Persons with interests along area
rivers, creeks, and other waterways should monitor the latest
forecasts and be prepared to take action should flooding develop.
NWS Chicago IL
01/08/2026, 10:22de: 01/08/2026, 17:44
a: 01/08/2026, 23:45
* WHAT...Flooding caused by excessive rainfall is expected. * 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 Saturday. * 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 542 PM CDT, Doppler radar and automated rain gauges indicated moderate rainfall ongoing in an area where heavy rainfall occurred earlier. Flooding is already occurring in the warned area. Up to 2.5 inches of rain have fallen thus far. - 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
Cook, IL; Will, IL; Lake, INA 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.NWS Chicago IL01/08/2026, 17:44
de: 01/08/2026, 15:43
a: 01/08/2026, 23:45
* WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 6 to 9 ft expected. * WHERE...Lake IL, Northern Cook and Central Cook Counties. * WHEN...Through Monday morning. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com.
CookRemain out of the water to avoid dangerous swimming conditions
and do not venture out onto piers, jetties, breakwalls, or other
shoreline structures.NWS Chicago IL01/08/2026, 15:43de: 01/08/2026, 16:01
a: 01/08/2026, 19:00
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Southeastern Cook County in northeastern Illinois... Central Will County in northeastern Illinois... * WHEN...Until 700 PM CDT. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Roads and streets may be flooded. * ADDITIONAL DETAILS... - At 400 PM CDT, Doppler radar and automated rain gauges indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Up to 1.5 inches of rain have fallen in the past one to two hours. - Some locations that will experience flooding include... Chicago Heights, Lansing, Park Forest, Matteson, Frankfort, Steger, Richton Park, Sauk Village, Flossmoor, Lynwood, Glenwood, Crete, University Park, Manhattan, Monee, Olympia Fields and Ford Heights. - http://www.weather.gov/safety/flood
Cook, IL; Will, ILA Flood Advisory means minor flooding along waterways and other poor
drainage areas is imminent or may already be occurring. Persons in
the advisory area should use caution and avoid flood waters.NWS Chicago IL01/08/2026, 16:01