897
WWUS73 KLOT 040754
NPWLOT
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
254 AM CDT FRI SEP 4 2026
ILZ003>006-008-010>013-020-103>108-INZ001-002-041800-
/O.EXB.KLOT.HT.Y.0007.000000T0000Z-260905T0300Z/
WINNEBAGO-BOONE-MCHENRY-LAKE IL-OGLE-LEE-DE KALB-KANE-DUPAGE-
KENDALL-NORTHERN COOK-CENTRAL COOK-SOUTHERN COOK-NORTHERN WILL-
SOUTHERN WILL-EASTERN WILL-LAKE IN-PORTER-
INCLUDING THE CITIES OF OAK LAWN, SYCAMORE, CHANNAHON, MUNDELEIN,
ELGIN, MCHENRY, JOLIET, YORKVILLE, LEMONT, OAK PARK, DOWNERS GROVE,
CHICAGO, SCHAUMBURG, PORTAGE, ALGONQUIN, PARK FOREST, DIXON,
MERRILLVILLE, MOKENA, PALATINE, GARY, PLANO, OAK FOREST, HAMMOND,
OREGON, VALPARAISO, CALUMET CITY, EVANSTON, OSWEGO, ROCKFORD, BYRON,
ORLAND PARK, GURNEE, BOLINGBROOK, BEECHER, BUFFALO GROVE, DES
PLAINES, LA GRANGE, WILMINGTON, DEKALB, MANHATTAN, ROCHELLE,
PLAINFIELD, LOMBARD, CRYSTAL LAKE, BELVIDERE, CICERO, WAUKEGAN,
PEOTONE, CAROL STREAM, CHESTERTON, CRETE, NAPERVILLE, WOODSTOCK,
WHEATON, NORTHBROOK, AND AURORA
254 AM CDT FRI SEP 4 2026
..HEAT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
* WHAT...PEAK HEAT INDEX VALUES THIS AFTERNOON OF 100 TO LOCALLY 110
DEGREES.
* WHERE...PORTIONS OF NORTH CENTRAL AND NORTHEAST ILLINOIS AND
NORTHWEST INDIANA.
* WHEN...UNTIL 10 PM CDT THIS EVENING.
* IMPACTS...HOT TEMPERATURES AND HIGH HUMIDITY MAY CAUSE HEAT
ILLNESSES.
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.
ILZ019-021-023-032-033-039-INZ010-011-019-041800-
/O.EXT.KLOT.HT.Y.0007.000000T0000Z-260905T0300Z/
LA SALLE-GRUNDY-KANKAKEE-LIVINGSTON-IROQUOIS-FORD-NEWTON-JASPER-
BENTON-
INCLUDING THE CITIES OF FOWLER, MARSEILLES, KENTLAND, BOURBONNAIS,
COAL CITY, WATSEKA, PAXTON, ROSELAWN, DEMOTTE, GILMAN, DWIGHT,
RENSSELAER, BRADLEY, MENDOTA, MOROCCO, MORRIS, MINOOKA, KANKAKEE,
OXFORD, FAIRBURY, OTTAWA, STREATOR, GIBSON CITY, PONTIAC, AND LA
SALLE
254 AM CDT FRI SEP 4 2026 /354 AM EDT FRI SEP 4 2026/
..HEAT ADVISORY NOW IN EFFECT UNTIL 10 PM CDT THIS EVENING
* WHAT...PEAK HEAT INDEX VALUES THIS AFTERNOON OF 100 TO LOCALLY 110
DEGREES.
* WHERE...IN ILLINOIS, LIVINGSTON, FORD, IROQUOIS, LA SALLE, GRUNDY,
AND KANKAKEE COUNTIES. IN INDIANA, BENTON, JASPER, AND NEWTON
COUNTIES.
* WHEN...UNTIL 10 PM CDT THIS EVENING.
* IMPACTS...HOT TEMPERATURES AND HIGH HUMIDITY MAY CAUSE HEAT
ILLNESSES.
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.
- IZZI
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