41°48'N / 87°52'W / Altitud 197 m / 14:01 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
Central 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, 12:43
a: 01/08/2026, 15:00
* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Central Cook County in northeastern Illinois... DuPage County in northeastern Illinois... Southeastern Kane County in northeastern Illinois... Kendall County in northeastern Illinois... Northwestern Will County in northeastern Illinois... * WHEN...Until 300 PM CDT. * IMPACTS...Flooding may occur in poor drainage and urban areas. High water may recede slowly from flooded areas. Area creeks and streams are already elevated, increasing the risk of flooding due to additional rainfall. * ADDITIONAL DETAILS... - At 1239 PM CDT, Various reports and gauges indicate that flooding is ongoing after an estimated 2 and 4 inches of rain fell over the area this morning. - Scattered heavy rain showers will persist over the area this afternoon. Renewed flooding is possible with any shower that remains over a given location. - Some locations that will experience flooding include... Chicago, Aurora, Joliet, Naperville, Cicero, Evanston, Bolingbrook, Skokie, Berwyn, Wheaton, Oak Park, Downers Grove, Elmhurst, Lombard, Romeoville, Plainfield, Park Ridge and Addison. - http://www.weather.gov/safety/flood
Cook, IL; DuPage, IL; Kane, IL; Kendall, IL; Will, ILA 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.NWS Chicago IL01/08/2026, 12:43
de: 01/08/2026, 10:19
a: 01/08/2026, 18:30
* 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.
Central Cook,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, 10:19