Flood Watch National Weather Service Chicago IL 307 PM CDT Sat Sep 1 2018
…Additional Thunderstorms This Evening and Overnight…
Thunderstorms are expected to redevelop this evening and tonight across far northern Illinois. A tropical, moisture rich air mass will promote efficient and heavy rainfall rates.
Thunderstorms may regenerate or move over areas already impacted by heavy rainfall resulting in flash flooding.
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-DeKalb-Kane-DuPage-Cook- Including the cities of Rockford, Belvidere, Woodstock, Waukegan, Oregon, Dixon, DeKalb, Aurora, Elgin, Wheaton, and Chicago 307 PM CDT Sat Sep 1 2018
…FLASH FLOOD WATCH IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH SUNDAY MORNING..
The National Weather Service in Chicago has issued a:
* Flash Flood Watch for portions of north central Illinois and northeast Illinois, including the following areas, in north central Illinois, Boone, DeKalb, Lee, Ogle, and Winnebago. In northeast Illinois, Cook, DuPage, Kane, Lake IL, and McHenry.
* From 7 PM CDT this evening through Sunday morning
*Repeated rounds of thunderstorms producing very heavy rainfall may result in flash flooding. * Expect rises on area rivers and streams.
PRECAUTIONARY/PREPAREDNESS ACTIONS… A Flash Flood Watch means that conditions may develop that lead to flash flooding. Flash flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.