Illinois Minor Flood Advisory | Effective 10/01/2026 18:44

Headline: 
Flood Advisory issued October 1 at 8:44PM CDT until October 1 at 10:15PM CDT by NWS Chicago IL
Event: 
Flood Advisory
Urgency: 
Expected
Effective: 
October 1, 2026 - 6:44pm
Expires: 
October 1, 2026 - 8:15pm
Description: 
* WHAT...Flooding caused by steady rain continues. * WHERE...East Central Cook County in northeastern Illinois... Southern DuPage County in northeastern Illinois... Northeastern Grundy County in northeastern Illinois... Southern Kane County in northeastern Illinois... Kendall County in northeastern Illinois... Northwestern Will County in northeastern Illinois... * WHEN...Until 1015 PM CDT. * IMPACTS...Flooding is occurring in areas of poor drainage such as ditches and fields. River and creek levels are rapidly rising toward or above bankfull. In addition, flooding may occur on roadways with several inches of standing water near shoulders or portions of lanes. Due to falling leaves, storm drains and ditches may be clogged increasing the risk of flooding. * ADDITIONAL DETAILS... - At 840 PM CDT, Doppler radar indicated steady rainfall and occasional torrential downpours across the Advisory area. - River gauges indicate rivers are approaching or already at bankfull, including along portions of the Fox River, DuPage River, and Waubonsee Creek. - Some locations that will experience flooding include... Chicago, Aurora, Naperville, Cicero, Bolingbrook, Oak Lawn, Berwyn, Wheaton, Oak Park, Downers Grove, Elmhurst, Lombard, Plainfield, Woodridge, Oswego, Midway Airport, Austin, South Lawndale, Chicago Lawn, Irving Park, Englewood, West Town and Bridgeport. - http://www.weather.gov/safety/flood
Instruction: 
A 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.
Area Description: 
Cook, IL; DuPage, IL; Grundy, IL; Kane, IL; Kendall, IL; Will, IL
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov