Active Weather Alerts
Flood Advisory
Issued: 4:08 PM Aug. 15, 2026 – National Weather Service
...FLOOD ADVISORY REMAINS IN EFFECT UNTIL 1215 PM CDT THIS AFTERNOON... * WHAT...Flooding caused by excessive rainfall continues. * WHERE...East Central Cook County in northeastern Illinois... Southern DuPage County in northeastern Illinois... Southern Kane County in northeastern Illinois... Northern Kendall County in northeastern Illinois... Northwestern Will County in northeastern Illinois... * WHEN...Until 1215 PM CDT. * IMPACTS...Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - At 1105 AM CDT, Doppler radar indicated that the heavy rain had subsided across the area. However, runoff from this rain may continue to produce minor flooding in the advisory area through midday. - Some locations that will experience flooding include... Aurora, Naperville, Cicero, Bolingbrook, Oak Lawn, Berwyn, Wheaton, Downers Grove, Woodridge, Oswego, Midway Airport, South Lawndale, Chicago Lawn, Bridgeport, Englewood and Roseland. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. &&
River Flood Warning
Issued: 1:01 AM Aug. 15, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL MONDAY MORNING... * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Thorn Creek from Near Glenwood downstream to confluence with Little Calumet River, including the Thornton gauge. * WHEN...Until Monday morning. * IMPACTS...At 13.5 feet, Chicago Heights Glenwood Road threatened in Glenwood. Residential parking lots threatened along Margaret Street in Thornton. * ADDITIONAL DETAILS... - At 7:45 PM CDT Friday the stage was 9.4 feet. - Forecast...The river may fall to near flood stage late this evening, although additional rainfall in the forecast may prolong flooding impacts, resulting in another rise on Saturday into Saturday evening. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood &&
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