347
WWUS73 KLOT 020803
NPWLOT
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
303 AM CDT THU JUL 2 2026
ILZ003>006-008-010>013-019>021-023-032-033-039-106>108-INZ001-002-
010-011-019-021815-
/O.CON.KLOT.XH.W.0001.000000T0000Z-260703T0500Z/
WINNEBAGO-BOONE-MCHENRY-LAKE IL-OGLE-LEE-DE KALB-KANE-DUPAGE-LA
SALLE-KENDALL-GRUNDY-KANKAKEE-LIVINGSTON-IROQUOIS-FORD-NORTHERN
WILL-SOUTHERN WILL-EASTERN WILL-LAKE IN-PORTER-NEWTON-JASPER-
BENTON-
INCLUDING THE CITIES OF KANKAKEE, ROCKFORD, AURORA, BUFFALO
GROVE, PLAINFIELD, VALPARAISO, GIBSON CITY, ROSELAWN, MUNDELEIN,
PAXTON, GURNEE, YORKVILLE, OXFORD, BEECHER, BRADLEY, GARY,
GILMAN, JOLIET, CAROL STREAM, DIXON, MARSEILLES, NAPERVILLE,
STREATOR, MCHENRY, BYRON, MOKENA, PONTIAC, DEMOTTE, CHANNAHON,
LOMBARD, CRETE, WHEATON, BOLINGBROOK, DEKALB, DWIGHT, KENTLAND,
WAUKEGAN, PEOTONE, RENSSELAER, HAMMOND, MENDOTA, PORTAGE,
WOODSTOCK, CRYSTAL LAKE, MORRIS, OTTAWA, LA SALLE, MERRILLVILLE,
CHESTERTON, MANHATTAN, WATSEKA, OSWEGO, ELGIN, BOURBONNAIS,
FAIRBURY, SYCAMORE, WILMINGTON, MOROCCO, PLANO, MINOOKA, OREGON,
ALGONQUIN, BELVIDERE, DOWNERS GROVE, COAL CITY, FOWLER, AND
ROCHELLE
303 AM CDT THU JUL 2 2026 /403 AM EDT THU JUL 2 2026/
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT /1 AM
EDT/ TONIGHT...
* WHAT...DANGEROUSLY HOT CONDITIONS WITH PEAK HEAT INDEX VALUES UP
TO 105 DEGREES.
* WHERE...PORTIONS OF CENTRAL, EAST CENTRAL, NORTH CENTRAL, AND
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
* WHEN...UNTIL MIDNIGHT CDT /1 AM EDT/ TONIGHT.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE DURING HEAT WAVES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
DO NOT LEAVE YOUNG CHILDREN AND PETS IN UNATTENDED VEHICLES. CAR
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
ILZ103>105-021815-
/O.CON.KLOT.XH.W.0001.000000T0000Z-260703T0500Z/
NORTHERN COOK-CENTRAL COOK-SOUTHERN COOK-
INCLUDING THE CITIES OF CHICAGO, ORLAND PARK, LA GRANGE, LEMONT,
EVANSTON, OAK PARK, CALUMET CITY, SCHAUMBURG, OAK FOREST, DES
PLAINES, CICERO, PALATINE, OAK LAWN, PARK FOREST, AND NORTHBROOK
303 AM CDT THU JUL 2 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT
TONIGHT...
* WHAT...DANGEROUSLY HOT CONDITIONS WITH PEAK HEAT INDEX VALUES OF
100 TO 105 DEGREES.
* WHERE...CENTRAL COOK, NORTHERN COOK, AND SOUTHERN COOK COUNTIES.
* WHEN...UNTIL MIDNIGHT CDT TONIGHT.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE DURING HEAT WAVES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
THE MAGNITUDE OF ANTICIPATED HEAT, COMBINED WITH OPPRESSIVE WARMTH
AT NIGHT WILL LEAD TO HAZARDOUS CONDITIONS, PARTICULARLY FOR THE
ELDERLY AND THOSE WITH PRE-EXISTING HEALTH CONDITIONS. RESIDENTS OF
THE CITY OF CHICAGO CAN CALL 3 1 1 TO REQUEST WELL BEING CHECKS FOR
ELDERLY FRIENDS OR FAMILY MEMBERS, OR FOR INFORMATION ON FINDING THE
NEAREST COOLING CENTER.
DO NOT LEAVE YOUNG CHILDREN AND PETS IN UNATTENDED VEHICLES. CAR
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
KLUBER
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