791
WGUS63 KLOT 170720
FFALOT
URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE CHICAGO IL
220 AM CDT WED JUN 17 2026
ILZ003>005-008-010-011-171530-
/O.NEW.KLOT.FA.A.0007.260617T1500Z-260617T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WINNEBAGO-BOONE-MCHENRY-OGLE-LEE-DE KALB-
INCLUDING THE CITIES OF MCHENRY, SYCAMORE, CRYSTAL LAKE,
ROCKFORD, BELVIDERE, DEKALB, ALGONQUIN, WOODSTOCK, OREGON, DIXON,
BYRON, AND ROCHELLE
220 AM CDT WED JUN 17 2026
...FLOOD WATCH IN EFFECT FROM 10 AM CDT THIS MORNING THROUGH THIS
AFTERNOON...
* WHAT...FLASH FLOODING CAUSED BY EXCESSIVE RAINFALL IS POSSIBLE.
* WHERE...PORTIONS OF NORTH CENTRAL AND NORTHEAST ILLINOIS,
INCLUDING THE FOLLOWING COUNTIES, BOONE, DE KALB, LEE, OGLE, AND
MCHENRY.
* WHEN...FROM 10 AM CDT THIS MORNING THROUGH THIS AFTERNOON.
* IMPACTS...CREEKS AND STREAMS MAY RISE OUT OF THEIR BANKS.
* ADDITIONAL DETAILS...
- SHOWERS AND THUNDERSTORMS ARE EXPECTED TODAY. RAIN MAY BE
HEAVY AT TIMES, WITH THE STRONGEST STORMS CAPABLE OF
TORRENTIAL RAINFALL WHICH COULD DROP UP TO 2 INCHES OF RAIN
IN JUST AN HOUR'S TIME IN THE HARDEST HIT AREAS. SOIL
MOISTURE IS ALREADY QUITE HIGH AND STREAM FLOWS ELEVATED, SO
HEAVY RAINFALL COULD QUICKLY RESULT IN FLASH FLOODING OF
STREAMS, CREEKS, LOW LYING, AND FLOOD PRONE AREAS.
- 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.
ILZ006-012-013-019>021-023-032-033-039-103>108-INZ001-002-010-011-
019-171530-
/O.NEW.KLOT.FA.A.0007.260617T1500Z-260618T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LAKE IL-KANE-DUPAGE-LA SALLE-KENDALL-GRUNDY-KANKAKEE-LIVINGSTON-
IROQUOIS-FORD-NORTHERN COOK-CENTRAL COOK-SOUTHERN COOK-NORTHERN
WILL-SOUTHERN WILL-EASTERN WILL-LAKE IN-PORTER-NEWTON-JASPER-
BENTON-
INCLUDING THE CITIES OF DEMOTTE, BRADLEY, LOMBARD, MINOOKA, GARY,
ELGIN, OAK LAWN, BEECHER, CHANNAHON, MARSEILLES, LEMONT, WATSEKA,
VALPARAISO, MERRILLVILLE, LA SALLE, KANKAKEE, CALUMET CITY,
PAXTON, PONTIAC, COAL CITY, BOLINGBROOK, OAK FOREST, CRETE,
EVANSTON, OXFORD, CICERO, OTTAWA, MOROCCO, PLAINFIELD, WHEATON,
FAIRBURY, CAROL STREAM, PLANO, MORRIS, GILMAN, YORKVILLE, PARK
FOREST, PALATINE, BOURBONNAIS, WILMINGTON, MUNDELEIN, DOWNERS
GROVE, RENSSELAER, MENDOTA, HAMMOND, DES PLAINES, AURORA, GIBSON
CITY, JOLIET, ORLAND PARK, FOWLER, SCHAUMBURG, PORTAGE, CHICAGO,
STREATOR, MOKENA, GURNEE, NAPERVILLE, NORTHBROOK, ROSELAWN,
KENTLAND, OAK PARK, BUFFALO GROVE, PEOTONE, WAUKEGAN, CHESTERTON,
MANHATTAN, LA GRANGE, DWIGHT, AND OSWEGO
220 AM CDT WED JUN 17 2026 /320 AM EDT WED JUN 17 2026/
...FLOOD WATCH IN EFFECT FROM 10 AM CDT /11 AM EDT/ THIS MORNING
THROUGH THIS EVENING...
* WHAT...FLASH FLOODING CAUSED BY EXCESSIVE RAINFALL IS POSSIBLE.
* WHERE...PORTIONS OF ILLINOIS, INCLUDING THE FOLLOWING COUNTIES, IN
ILLINOIS, COOK, DUPAGE, WILL, FORD, GRUNDY, IROQUOIS, KANE,
KANKAKEE, KENDALL, LA SALLE, LAKE IL, AND LIVINGSTON. IN INDIANA
THIS FLOOD WATCH INCLUDES THE BENTON, JASPER, LAKE IN, NEWTON AND
PORTER COUNTIES.
* WHEN...FROM 10 AM CDT THIS MORNING THROUGH THIS EVENING.
* IMPACTS...CREEKS AND STREAMS MAY RISE OUT OF THEIR BANKS.
* ADDITIONAL DETAILS...
- SHOWERS AND THUNDERSTORMS ARE EXPECTED TODAY. RAIN MAY BE
HEAVY AT TIMES, WITH THE STRONGEST STORMS CAPABLE OF
TORRENTIAL RAINFALL WHICH COULD DROP UP TO 2 INCHES OF RAIN
IN JUST AN HOUR'S TIME IN THE HARDEST HIT AREAS. SOIL
MOISTURE IS ALREADY QUITE HIGH AND STREAM FLOWS ELEVATED, SO
HEAVY RAINFALL COULD QUICKLY RESULT IN FLASH FLOODING OF
STREAMS, CREEKS, LOW LYING, AND FLOOD PRONE AREAS.
- 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.
- IZZI
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page