Active Weather Alerts
Flood Advisory
Issued: 2:58 AM Jun. 25, 2026 – National Weather Service
...FLOOD ADVISORY REMAINS IN EFFECT UNTIL 1030 PM CDT THIS EVENING... * WHAT...Flooding caused by excessive rainfall continues. * WHERE...A portion of northeast Illinois, including the following counties, Cook, DuPage and Will. * WHEN...Until 1030 PM CDT. * IMPACTS...Flooding may occur in poor drainage and urban areas. Roads and streets may be flooded. * ADDITIONAL DETAILS... - At 958 PM CDT, Doppler radar indicated that heavy rainfall had moved out of the area. Remaining standing water will continue to recede. - Some locations that may experience flooding include... Chicago, Naperville, Hammond, Bolingbrook, Oak Lawn, Downers Grove, Romeoville, Woodridge, Midway Airport, Chicago Lawn, Englewood, Roseland, South Shore, Burbank, Homer Glen, Hinsdale, Lemont, La Grange, Justice and Summit. - 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. &&
Flash Flood Warning
Issued: 2:05 AM Jun. 25, 2026 – National Weather Service
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 PM CDT THIS EVENING FOR SOUTHEASTERN COOK AND NORTHERN LAKE IN COUNTIES... At 905 PM CDT, Doppler radar and automated rain gauges indicated the heaviest rainfall beginning to move out of the area. Steady rain continues with rain rates up to 1 inch per hour. Multiple areas received rainfall up to 2 inches across the area, with multiple reports of street flooding received. Rapid rises along multiple creeks are possible over the next few hours. HAZARD...Flash flooding. SOURCE...Radar and automated gauges. IMPACT...Rapid-onset flooding of creeks, streams, drainage ditches, streets, underpasses, low-lying areas, and other poor drainage areas. Some locations that will experience flash flooding include... Chicago, Hammond, Gary, Orland Park, Tinley Park, Oak Lawn, Calumet City, Portage, Merrillville, Chicago Heights, Roseland, East Chicago, Schererville, Hobart, Lansing, Oak Forest, Harvey, Highland, Blue Island and Munster. This includes Thorn Creek in southern Cook County and Hart Ditch in northern Lake County. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Warning means rapid-onset flooding is imminent or may already be occurring. Persons along creeks, drainage ditches, and other waterways should take immediate precautions to protect life and property. && FLASH FLOOD...RADAR AND GAUGE INDICATED; EXPECTED RAINFALL RATE...1 INCH IN 1 HOUR
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