Flash Flood Warning

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.