Flash Flood Warning
SevereFlash Flood Warning issued September 20 at 2:12AM CDT until September 20 at 8:00AM CDT by NWS Chicago IL
Issued Until ending now
Areas De Kalb, IL; La Salle, IL; Lee, IL
Full text
FFWLOT The National Weather Service in Chicago has issued a * Flash Flood Warning for... Southern De Kalb County in north central Illinois... Northern La Salle County in north central Illinois... Lee County in north central Illinois... * Until 800 AM CDT. * At 212 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to 3 inches of rain have fallen. The expected rainfall rate is 1.5 to 2.5 inches per hour. Additional rainfall amounts of 1 to 3 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. 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... Sandwich, Mendota, Amboy, Sheridan, Shabbona, Lake Holiday, Hinckley, Somonauk, Earlville, Waterman, Serena, Leland, Paw Paw, Sublette, Woodhaven Lakes, Millington, Lee, Compton, Troy Grove, Nelson, West Brooklyn, Harmon, Triumph, Prairie Center and Lee Center.
What to do
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. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
NWS Chicago IL