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Grundy County IL Emergency Management Agency
Saturday September 21st, 2019 :: 07:42 a.m. CDT

Advisory

FLASH FLOOD WATCH IN EFFECT FROM LATE TONIGHT UNTIL SUNDAY NIGHT - TURN AROUND DON'T DROWN (TADD)

...FLASH FLOOD WATCH IN EFFECT FROM THIS EVENING THROUGH LATE
SUNDAY NIGHT...

Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-Cook-
La Salle-Kendall-Grundy-Will-
Including the cities of Rockford, Belvidere, Crystal Lake,
Algonquin, Lake in the Hills, McHenry, Woodstock, Cary, Waukegan,
Buffalo Grove, North Chicago, Highland Park, Mundelein, Gurnee,
Round Lake Beach, Rochelle, Oregon, Mount Morris, Byron, Polo,
Dixon, DeKalb, Sycamore, Aurora, Elgin, Naperville, Wheaton,
Downers Grove, Elmhurst, Lombard, Carol Stream, Addison, Chicago,
Humboldt Park, Hyde Park, Lakeview, Lincoln Park, Logan Square,
Navy Pier, Ottawa, Streator, Peru, La Salle, Mendota, Marseilles,
Oswego, Boulder Hill, Yorkville, Plano, Morris, Coal City,
Minooka, Joliet, and Bolingbrook
335 AM CDT Sat Sep 21 2019

...FLASH FLOOD WATCH IN EFFECT FROM THIS EVENING THROUGH LATE
SUNDAY NIGHT...

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, De Kalb, La Salle, Lee, Ogle, and
Winnebago. In northeast Illinois, Cook, DuPage, Grundy, Kane,
Kendall, Lake IL, McHenry, and Will.

* From this evening through late Sunday night

* Widespread showers and thunderstorms are expected to develop
tonight and continue into Sunday and Sunday evening. These
storms will be capable of producing heavy rainfall, with rates
approaching 1.5 to 2 inches per hour at times. This expected
heavy rainfall falling in a short duration and over locations
that have experienced recent heavy rainfall may lead to
additional flash flooding. Rainfall totals of 2 to 4 inches,
with locally higher amounts, are possible by Sunday evening.

* This heavy rainfall will likely lead to additional river rises
into the upcoming week, especially across the Des Plaines, Fox,
Pecatonica, and Rock river basins.

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.

Address/Location
Grundy County IL Emergency Management Agency
1320 Union St
Morris, IL 60450

Contact
Emergency: 9-1-1
Non-emergencies: 815-941-3212

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