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Shorewood Police Department Illinois
Sunday September 20th, 2026 :: 01:35 a.m. CDT

Advisory

Flood Watch until 01:00PM Sunday

* WHAT...Flash flooding caused by excessive rainfall continues to be possible.

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

* WHEN...Until 1 PM CDT this afternoon.

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

* ADDITIONAL DETAILS... - Periods of showers and thunderstorms are expected through midday. Swaths of torrential rain with 2 inch per hour rainfall rates, or higher are likely to occur within the watch area and may result in areas of flash flooding and cause rapid rises on area rivers, creeks, and streams. - http://www.weather.gov/safety/flood

* AFFECTED AREAS: WINNEBAGO ... BOONE ... MCHENRY ... LAKE ... OGLE ... LEE ... DE KALB ... KANE ... DUPAGE ... LA SALLE ... KENDALL ... GRUNDY ... KANKAKEE ... NORTHERN COOK ... CENTRAL COOK ... SOUTHERN COOK ... NORTHERN WILL ... SOUTHERN WILL ... EASTERN WILL ... LAKE ... PORTER

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.

Address/Location
Shorewood Police Department Illinois
903 W Jefferson St
Shorewood, IL 60404

Contact
Emergency: 9-1-1
Non-emergencies: 815-725-1460

Submit an anonymous web tip

Alert Details

Severity:
Severe - Significant threat to life or property
Urgency:
Future - Responsive action SHOULD be taken in the near future
Certainty:
Possible (p <= ~50%)
Category:
Meteorological (inc. flood)
Event:
Flood Watch

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