41°50'N / 87°45'W / Altitud 184 m / 18:39 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, 10:22
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.
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, 15:43de: 01/08/2026, 17:08
a: 01/08/2026, 19:00
* WHAT...Lingering flooding caused by earlier excessive rainfall continues. * WHERE...East Central Cook County in northeastern Illinois... Southern DuPage County in northeastern Illinois... Northern Kendall County in northeastern Illinois... Northwestern 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. High water may recede slowly from flooded areas. * ADDITIONAL DETAILS... - At 507 PM CDT, Doppler radar and automated rain gauges indicated that heavy rain fell across the advisory area earlier today. Lingering, localized minor flooding is ongoing in some parts of the advisory area. - Some locations that may experience flooding include... Chicago, Aurora, Naperville, Cicero, Bolingbrook, Berwyn, Wheaton, Oak Park, Downers Grove, Elmhurst, Lombard, Romeoville, Plainfield, Woodridge, Oswego, Midway Airport, Austin, South Lawndale and Chicago Lawn. - http://www.weather.gov/safety/flood
Cook, IL; DuPage, IL; Kendall, 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.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.NWS Chicago IL01/08/2026, 17:08