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Hydrologic Outlook

Hydrologic Outlook
ILC043-075-089-093-097-099-197-201-INC073-127-191536-


Hydrologic Outlook
National Weather Service Chicago/Romeoville IL
936 PM CST Sun Feb 18 2018

This hydrologic outlook includes the following rivers: Des Plaines
River...Du Page River...Fox River...Iroquois River...Kankakee
River...Kishwaukee River...Pecatonica River...Sugar Creek...W Br Du
Page River.

For the Kankakee River...including Dunns Bridge...Kouts...Moderate
flooding is possible.

For the Des Plaines River...including Russell...Gurnee...Minor
flooding is possible.

For the Du Page River...including Shorewood...Minor flooding is
possible.

For the Fox River...including Montgomery...Dayton...Minor flooding
is possible.

For the Iroquois River...including Rensselaer...Iroquois...Minor
flooding is possible.

For the Kishwaukee River...including Perryville...Minor flooding is
possible.

For the Pecatonica River...including Shirland...Minor flooding is
possible.

For the Sugar Creek...including Milford...Minor flooding is possible.

For the West Branch Du Page River...including Warrenville...Minor
flooding is possible.

For the Kankakee River at Dunns Bridge, the latest stage is 7.7 feet
at 9 PM Sunday. Flood stage is 10.0 feet. Bankfull stage is 9.5 feet.
Minor flooding is possible...with a crest of around 11.2 feet early
Sunday morning...which is 1.2 feet above flood stage.

For the Kankakee River near Kouts, the latest stage is 8.3 feet at 9
PM Sunday. Flood stage is 11.0 feet. Bankfull stage is 10.0 feet.
Minor flooding is possible...with a crest of around 12.4 feet Sunday
afternoon...which is 1.4 feet above flood stage.

For the Des Plaines River near Russell, the latest stage is 4.5 feet
at 8 PM Sunday. Flood stage is 7.0 feet. Bankfull stage is 6.5 feet.
Minor flooding is possible...with a crest of around 8.7 feet Saturday
morning...which is 1.7 feet above flood stage.

For the Des Plaines River near Gurnee, the latest stage is 3.3 feet
at 8 PM Sunday. Flood stage is 7.0 feet. Bankfull stage is 6.5 feet.
Minor flooding is possible...with a crest of around 7.4 feet
Wednesday evening...which is 0.4 feet above flood stage.

For the Du Page River at Shorewood, the latest stage is 2.7 feet at 9
PM Sunday. Flood stage is 6.5 feet. Bankfull stage is 5.0 feet.Minor
flooding is possible...with a crest of around 6.5 feet Wednesday
afternoon...which is equal to the flood stage.

For the Fox River at Montgomery, the latest stage is 11.6 feet at 8
PM Sunday. Flood stage is 13.0 feet. Bankfull stage is 12.5 feet.
Minor flooding is possible...with a crest of around 13.2 feet
Wednesday afternoon...which is 0.2 feet above flood stage.

For the Fox River at Dayton, the latest stage is 7.0 feet at 9 PM
Sunday. Flood stage is 12.0 feet. Bankfull stage is 11.0 feet.Minor
flooding is possible...with a crest of around 13.6 feet early
Thursday morning...which is 1.6 feet above flood stage.

For the Iroquois River at Rensselaer, the latest stage is 5.9 feet at
8 PM Sunday. Flood stage is 12.0 feet. Bankfull stage is 10.0 feet.
Minor flooding is possible...with a crest of around 12.8 feet
Thursday morning...which is 0.8 feet above flood stage.

For the Iroquois River at Iroquois, the latest stage is 10.2 feet at
9 PM Sunday. Flood stage is 18.0 feet. Bankfull stage is 17.5 feet.
Minor flooding is possible...with a crest of around 20.5 feet
Thursday evening...which is 2.5 feet above flood stage.

For the Kishwaukee River near Perryville, the latest stage is 6.1
feet at 8 PM Sunday. Flood stage is 12.0 feet. Bankfull stage is 10.0
feet.Minor flooding is possible...with a crest of around 12.3 feet
early Thursday morning...which is 0.3 feet above flood stage.

For the Pecatonica River near Shirland, the latest stage is 7.8 feet
at 9 PM Sunday. Flood stage is 12.0 feet. Bankfull stage is 11.0
feet.Minor flooding is possible...with a crest of around 13.8 feet
Friday afternoon...which is 1.8 feet above flood stage.

For the Sugar Creek at Milford, the latest stage is 4.8 feet at 9 PM
Sunday. Flood stage is 18.0 feet. Bankfull stage is 15.0 feet.Minor
flooding is possible...with a crest of around 19.0 feet Wednesday
evening...which is 1.0 feet above flood stage.

For the W Br Du Page River near Warrenville, the latest stage is 7.6
feet at 9 PM Sunday. Flood stage is 11.5 feet. Bankfull stage is 11.0
feet.Minor flooding is possible...with a crest of around 11.8 feet
Wednesday morning...which is 0.3 feet above flood stage.

$$

Izzi




Flood Watch

Flood Watch
National Weather Service Chicago/Romeoville IL
804 PM CST Sun Feb 18 2018

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
191015-
/O.CON.KLOT.FA.A.0001.180220T0000Z-180221T1200Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-DeKalb-Kane-DuPage-Cook-
La Salle-Kendall-Grundy-Will-Kankakee-Livingston-Iroquois-Ford-
Lake IN-Porter-Newton-Jasper-Benton-
Including the cities of Rockford, Belvidere, Woodstock, Waukegan,
Oregon, Dixon, DeKalb, Aurora, Elgin, Wheaton, Chicago, Ottawa,
Oswego, Morris, Joliet, Kankakee, Pontiac, Watseka, Paxton, Gary,
Valparaiso, Morocco, Rensselaer, and Fowler
804 PM CST Sun Feb 18 2018 /904 PM EST Sun Feb 18 2018/

...FLOOD WATCH REMAINS IN EFFECT FROM MONDAY EVENING THROUGH LATE
TUESDAY NIGHT...

The Flood Watch continues for

* Much of northern Illinois and extreme northwest Indiana.

* From Monday evening through late Tuesday night.

* Unseasonably warm and moist air will overspread the region over
  the next few days with several rounds of showers and
  thunderstorms expected between early Monday morning and
  Wednesday. Expect area wide rainfall totals of over an inch with
  many areas potentially receiving 2 to 4 inches.

* Grounds remain frozen, therefore much of the rain will result in
  rapid runoff. In addition, many areas north of I-80 have snow on
  the ground still and melting of this snow will compound runoff
  from heavy rainfall. Ice jam break up is also a concern. Expect
  rises on area rivers and streams that may result in flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Watch means there is a potential for flooding based on
current forecasts.

You should monitor later forecasts and be alert for possible
Flood Warnings. Those living in areas prone to flooding should be
prepared to take action should flooding develop.

&&

$$

- Izzi




Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
314 PM CST Sun Feb 18 2018

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
192115-
Winnebago-Boone-McHenry-Lake Illinois-Ogle-Lee-De Kalb-Kane-
DuPage-Cook-La Salle-Kendall-Grundy-Will-Kankakee-Livingston-
Iroquois-Ford-Lake Indiana-Porter-Newton-Jasper-Benton-
314 PM CST Sun Feb 18 2018 /414 PM EST Sun Feb 18 2018/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.

.DAY ONE...Tonight.

WEATHER HAZARDS EXPECTED:

  Elevated Fog Risk.

DISCUSSION:

Dense fog is again possible across portions of northern Illinois late
tonight. Visibility could drop to a quarter mile or less into early Monday.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Monday...
  Elevated Fog Risk
  Limited Thunderstorm Risk.
  Elevated Flooding Risk.
Tuesday...
  Elevated Flooding Risk.
  Limited Thunderstorm Risk.
  Limited Ice Accumulation Risk late.
Wednesday...
  Limited Ice Accumulation Risk in the morning.

DISCUSSION:

After areas of morning dense fog, heavy rainfall is expected across the
region Monday through early Wednesday. Several inches of rain may fall in some
locations. The combination of heavy rain, snowmelt, and frozen ground will
result in rapid runoff and rises on area streams and rivers.

Given the heavy rainfall, flooding is a concern on numerous rivers and
streams, including the Kankakee, Illinois, Des Plaines, Dupage, Rock,
Pecatonica, and Little Calumet rivers. The Kankakee River at Shelby
may reach major flood stage.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be necessary through tonight.

&&

$$



U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
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