Cook County, Illinois
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The National Weather Service's Watches, Warnings and Advisories by state counties include: Thunderstorm, Tornado, Flood, Flash Flood, Winter Storm, High Wind, Gale, Small Aircraft, High Surf, Marine, Heat, Air Quality, Ashfall, Hazardous, and Special Statements.
Weather Alerts: Cook County, Illinois
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Flash Flood Watch
ILZ003>006-008-010>014-019>022-220030-
/O.CON.KLOT.FF.A.0004.170721T2100Z-170722T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-Cook-
La Salle-Kendall-Grundy-Will-
Including the cities of Rockford, Belvidere, Woodstock, Waukegan,
Oregon, Dixon, Dekalb, Aurora, Elgin, Wheaton, Chicago, Ottawa,
Oswego, Morris, and Joliet
1129 AM CDT Fri Jul 21 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 4 PM CDT THIS
AFTERNOON THROUGH SATURDAY MORNING...

The Flash Flood Watch continues 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 4 PM CDT this afternoon through Saturday morning.

* Multiple rounds of thunderstorms producing heavy rainfall with
rates well over one inch per hour are likely to move across
portions of north central and northeast Illinois late this
afternoon through early Saturday morning.

* Additional heavy rainfall could exacerbate flooding already
occurring across portions of northern Illinois...producing new
rises on area rivers and creeks. With the ground already
saturated in many areas...heavy rainfall will likely quickly
produce runoff and produce flash flooding.

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.

&&

$$

Flood Advisory
ILC031-220138-
/O.EXT.KLOT.FL.Y.0149.000000T0000Z-170728T0630Z/
/RVFI2.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
839 AM CDT Fri Jul 21 2017

The Flood Advisory continues for
The Des Plaines River at River Forest
* until Friday July 28.
* At 800 AM Friday the stage was 15.1 feet.
* Action stage is 13.0 feet.
* Flood stage is 16.0 feet.
* Forecast...The river will continue to fall.

&&

LAT...LON 4196 8790 4197 8780 4187 8777 4186 8787


$$
Flood Warning
ILC031-220331-
/O.EXT.KLOT.FL.W.0103.000000T0000Z-170724T0600Z/
/RVRI2.1.ER.170720T1348Z.170721T1030Z.170724T0000Z.UU/
832 AM CDT Fri Jul 21 2017

The Flood Warning continues for
The Des Plaines River at Riverside.
* until late Sunday night.
* At 745 AM Friday the stage was 7.5 feet.
* Flood stage is 7.0 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Forecast...The river will continue to rise near 7.5 feet by this
afternoon. The river will fall below flood stage by Sunday evening.
* Impact...At 7.5 feet...Park areas are inundated near Salt Creek.

&&

LAT...LON 4187 8777 4183 8776 4174 8780 4178 8791
4184 8786 4186 8787

$$

Flood Warning
ILC031-220331-
/O.EXT.KLOT.FL.W.0097.000000T0000Z-000000T0000Z/
/DSPI2.3.ER.170712T1631Z.170714T1100Z.000000T0000Z.NR/
832 AM CDT Fri Jul 21 2017

The Flood Warning continues for
The Des Plaines River near Des Plaines.
* until further notice.
* At 745 AM Friday the stage was 17.8 feet.
* Flood stage is 15.0 feet.
* Recent activity...Gage datum was changed by 10 feet on Nov 14 2014.
Flood thresholds and flood impacts are now 10 feet higher than
previous values.
* Minor flooding is occurring and Minor flooding is forecast.
* Forecast...The river will continue to fall to a stage of 17.2 feet
by Saturday morning, and then rise again Saturday afternoon.
* Impact...At 17.0 feet...Water on pavement of 1700 block of Busse
Highway, at River Rd and Gregory, Central Road, and Big Bend Drive.

&&

LAT...LON 4212 8784 4196 8780 4196 8790 4212 8794


$$

National Weather Service

Providing "weather, water cycle, and climate forecasts and warnings for the United States, its territories, adjacent waters and ocean areas, for the protection of life and property and the enhancement of the national economy."
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