Full Notification

* WHAT...Flash flooding caused by excessive rainfall is possible.

* WHERE...Portions of Illinois, including the following areas, Central Cook, De Kalb, DuPage, Eastern Will, Grundy, Kane, Kankakee, Kendall, Lake IL, McHenry, Northern Cook, Northern Will, Southern Cook and Southern Will and northwest Indiana, including the following areas, Jasper, Lake IN, Newton and Porter.

* WHEN...From 9 PM CDT this evening through early Monday morning.

* IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Roads and streets may be flooded.

* ADDITIONAL DETAILS... - The potential exists for repeated rounds of showers and thunderstorms developing along a stalled surface front. Localized rainfall rates may exceed 2 inches per hour over portions of northeast Illinois and northwest Indiana late this evening through tonight. Portions of the watch area received 1 to 3 inches of rainfall earlier today and will be more susceptible to flooding with any additional heavy rainfall. - http://www.weather.gov/safety/flood

* AFFECTED AREAS: MCHENRY ... LAKE ... DE KALB ... KANE ... DUPAGE ... KENDALL ... GRUNDY ... KANKAKEE ... NORTHERN COOK ... CENTRAL COOK ... SOUTHERN COOK ... NORTHERN WILL ... SOUTHERN WILL ... EASTERN WILL ... LAKE ... PORTER ... NEWTON ... JASPER

Instructions:

A Flood Watch for flash flooding means rapid-onset flooding is possible, but not yet certain, based upon the latest forecasts. Flash flooding is a dangerous situation. Persons with interests along area rivers, creeks, and other waterways should monitor the latest forecasts and be prepared to take action should flooding develop.