WGUS63 KLOT 151015
FFALOT

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Chicago IL
515 AM CDT Wed Apr 15 2026

ILZ010-019-021-023-032-INZ002-010-011-152000-
/O.EXB.KLOT.FA.A.0003.000000T0000Z-260416T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lee-La Salle-Grundy-Kankakee-Livingston-Porter-Newton-Jasper-
Including the cities of Minooka, Dixon, La Salle, Ottawa,
Fairbury, Bourbonnais, Morris, Kankakee, Marseilles, Dwight,
DeMotte, Chesterton, Streator, Roselawn, Coal City, Morocco,
Rensselaer, Bradley, Valparaiso, Portage, Kentland, Pontiac, and
Mendota
515 AM CDT Wed Apr 15 2026

...FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT...

* WHAT...Flash flooding caused by excessive rainfall remains
  possible.

* WHERE...Portions of Illinois, including the following counties,
  Grundy, Kankakee, La Salle, Lee and Livingston and northwest
  Indiana, including the following counties, Jasper, Newton and
  Porter.

* WHEN...Through late tonight.

* 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 showers and thunderstorms are expected
    through this evening. Elevated soil moisture due to recent
    rainfall is expected to increase the susceptibility to flash
    flooding.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

ILZ003>006-008-011>013-020-103>108-INZ001-152000-
/O.EXT.KLOT.FA.A.0003.000000T0000Z-260416T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Winnebago-Boone-McHenry-Lake IL-Ogle-De Kalb-Kane-DuPage-Kendall-
Northern Cook-Central Cook-Southern Cook-Northern Will-Southern
Will-Eastern Will-Lake IN-
Including the cities of Mundelein, Algonquin, Rockford, Oak Lawn,
Lemont, Peotone, Downers Grove, Crystal Lake, Woodstock, Joliet,
Bolingbrook, Gurnee, Plano, Oswego, Elgin, Northbrook, Oak
Forest, Oregon, Wheaton, Des Plaines, Buffalo Grove, Schaumburg,
Orland Park, Crete, Oak Park, Channahon, Yorkville, Rochelle,
Manhattan, DeKalb, Chicago, McHenry, Byron, Belvidere, Carol
Stream, Lombard, Wilmington, Mokena, Calumet City, Park Forest,
Aurora, Palatine, Gary, Merrillville, La Grange, Beecher,
Sycamore, Plainfield, Waukegan, Hammond, Cicero, Evanston, and
Naperville
515 AM CDT Wed Apr 15 2026

...FLOOD WATCH NOW IN EFFECT THROUGH LATE TONIGHT...

* WHAT...Flash flooding caused by excessive rainfall remains
  possible.

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

* WHEN...Through late tonight.

* 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 showers and thunderstorms are expected
    through this evening. Elevated soil moisture due to recent
    rainfall is expected to increase the susceptibility to flash
    flooding.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

Petr