105
WGUS63 KLOT 191534
FFALOT
URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE CHICAGO IL
1034 AM CDT SAT SEP 19 2026
ILZ003-005-192345-
/O.EXT.KLOT.FA.A.0016.000000T0000Z-260920T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WINNEBAGO-MCHENRY-
INCLUDING THE CITIES OF MCHENRY, ROCKFORD, CRYSTAL LAKE, ALGONQUIN,
AND WOODSTOCK
1034 AM CDT SAT SEP 19 2026
..FLOOD WATCH NOW IN EFFECT THROUGH SUNDAY MORNING
* WHAT...FLASH FLOODING CAUSED BY EXCESSIVE RAINFALL CONTINUES TO BE
POSSIBLE.
* WHERE...PORTIONS OF NORTH CENTRAL AND NORTHEAST ILLINOIS, INCLUDING
THE FOLLOWING COUNTIES, IN NORTH CENTRAL ILLINOIS, WINNEBAGO. IN
NORTHEAST ILLINOIS, MCHENRY.
* WHEN...THROUGH EARLY SUNDAY MORNING.
* 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...
- AN ADDITIONAL ROUND OF SHOWERS AND THUNDERSTORMS, SOME WITH VERY
HEAVY RAINFALL, ARE EXPECTED THIS EVENING AND OVERNIGHT WHICH MAY
RESULT IN AREAS OF FLASH FLOODING, PARTICULARLY OVER URBAN OR
AREAS OF POOR DRAINAGE.
- 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.
ILZ004-006-008-010>013-020-103>106-INZ001-002-192345-
/O.EXT.KLOT.FA.A.0016.000000T0000Z-260920T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BOONE-LAKE IL-OGLE-LEE-DE KALB-KANE-DUPAGE-KENDALL-NORTHERN COOK-
CENTRAL COOK-SOUTHERN COOK-NORTHERN WILL-LAKE IN-PORTER-
INCLUDING THE CITIES OF CHICAGO, CICERO, EVANSTON, PARK FOREST,
CHESTERTON, ROCHELLE, BELVIDERE, OAK LAWN, NAPERVILLE, WHEATON,
AURORA, GURNEE, LA GRANGE, CAROL STREAM, JOLIET, ELGIN, MERRILLVILLE,
PLANO, OAK FOREST, SCHAUMBURG, PLAINFIELD, LOMBARD, OSWEGO, WAUKEGAN,
LEMONT, BUFFALO GROVE, DOWNERS GROVE, ORLAND PARK, VALPARAISO,
MOKENA, NORTHBROOK, CALUMET CITY, BOLINGBROOK, PORTAGE, GARY,
YORKVILLE, HAMMOND, BYRON, SYCAMORE, DIXON, DES PLAINES, OREGON, OAK
PARK, MUNDELEIN, DEKALB, AND PALATINE
1034 AM CDT SAT SEP 19 2026
..FLOOD WATCH NOW IN EFFECT THROUGH EARLY SUNDAY MORNING
* 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, KANE, KENDALL, LAKE IL, LEE,
NORTHERN COOK, NORTHERN WILL, OGLE AND SOUTHERN COOK AND NORTHWEST
INDIANA, INCLUDING THE FOLLOWING AREAS, LAKE IN AND PORTER.
* WHEN...THROUGH EARLY SUNDAY MORNING.
* 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...
- AN ADDITIONAL ROUND OF SHOWERS AND THUNDERSTORMS, SOME WITH VERY
HEAVY RAINFALL, ARE EXPECTED THIS EVENING AND OVERNIGHT WHICH MAY
RESULT IN AREAS OF FLASH FLOODING, PARTICULARLY OVER URBAN OR
AREAS OF POOR DRAINAGE.
- 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.
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