Weather Alert Watch
Severe Flood Watch

Flood Watch for Lake; De Kalb; Kane +11 more

What: Flash flooding caused by excessive rainfall is possible. 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. Where: Portions of Illinois, including the...

IL, INLake; De Kalb; Kane; DuPage; La Salle; Kendall; Grundy; Northern Cook; Central Cook; Southern Cook; Northern Will; Southern Will; Eastern Will; Lake

Official alert brief

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, Kendall, La Salle, Lake IL, Northern Cook, Northern Will, Southern Cook and Southern Will and northwest Indiana, including the following area, Lake IN.

WHEN

Until 4 AM CDT Saturday.

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

Multiple rounds of heavy rainfall from thunderstorms possible across the area this evening into the overnight. Rain rates in excess of 1 to 2 inches per hour over areas that have previously received heavy rainfall may lead to flooding. http://www.weather.gov/safety/flood

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.