109
WWUS73 KLOT 230206
NPWLOT
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
906 PM CDT SUN JUN 22 2025
ILZ103>105-231215-
/O.CON.KLOT.XH.W.0001.000000T0000Z-250624T0500Z/
NORTHERN COOK-CENTRAL COOK-SOUTHERN COOK-
INCLUDING THE CITIES OF SCHAUMBURG, CHICAGO, CICERO, ORLAND PARK,
LA GRANGE, OAK FOREST, LEMONT, PALATINE, OAK LAWN, DES PLAINES,
PARK FOREST, CALUMET CITY, NORTHBROOK, EVANSTON, AND OAK PARK
906 PM CDT SUN JUN 22 2025
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT MONDAY
NIGHT...
* WHAT...DANGEROUSLY HOT AND HUMID CONDITIONS WITH HIGH TEMPERATURES
WELL INTO THE 90S AND AFTERNOON HEAT INDEX VALUES BETWEEN 100 AND
105 DEGREES EXPECTED MONDAY AFTERNOON.
* WHERE...CENTRAL COOK, NORTHERN COOK, AND SOUTHERN COOK COUNTIES.
* WHEN...UNTIL MIDNIGHT CDT MONDAY NIGHT.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT AND HIGH HUMIDITY EVENTS. 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.
* ADDITIONAL DETAILS...HEAT IMPACTS WILL BE WORSENED BY CONSECUTIVE
DAYS OF HOT AND HUMID CONDITIONS, WITH OVERNIGHT LOWS NEAR 80
DEGREES PROVIDING LIMITED RELIEF.
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.
TAKE EXTRA PRECAUTIONS WHEN OUTSIDE. WEAR LIGHTWEIGHT AND LOOSE
FITTING CLOTHING. TRY TO LIMIT STRENUOUS ACTIVITIES TO EARLY MORNING
OR EVENING. TAKE ACTION WHEN YOU SEE SYMPTOMS OF HEAT EXHAUSTION AND
HEAT STROKE.
ILZ003>006-008-010>013-019>021-023-032-033-039-106>108-INZ001-002-
010-011-019-231215-
/O.CON.KLOT.HT.Y.0001.000000T0000Z-250624T0500Z/
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 ROSELAWN, MINOOKA, OXFORD, COAL CITY,
OREGON, PONTIAC, KENTLAND, GIBSON CITY, NAPERVILLE, RENSSELAER,
MERRILLVILLE, LA SALLE, WOODSTOCK, MOKENA, FOWLER, PAXTON,
CRYSTAL LAKE, ELGIN, WHEATON, AURORA, DOWNERS GROVE, CAROL
STREAM, DEKALB, VALPARAISO, PEOTONE, BYRON, ALGONQUIN, MORRIS,
FAIRBURY, ROCKFORD, STREATOR, WILMINGTON, CRETE, MOROCCO,
HAMMOND, BELVIDERE, GILMAN, DIXON, DEMOTTE, MENDOTA, WAUKEGAN,
MCHENRY, MANHATTAN, PLANO, ROCHELLE, YORKVILLE, JOLIET, LOMBARD,
SYCAMORE, PLAINFIELD, CHESTERTON, BOLINGBROOK, OTTAWA, GURNEE,
PORTAGE, WATSEKA, BRADLEY, BEECHER, GARY, BUFFALO GROVE,
CHANNAHON, MARSEILLES, MUNDELEIN, KANKAKEE, DWIGHT, OSWEGO, AND
BOURBONNAIS
906 PM CDT SUN JUN 22 2025 /1006 PM EDT SUN JUN 22 2025/
...HEAT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CDT /1 AM EDT/
MONDAY NIGHT...
* WHAT...PEAK AFTERNOON HEAT INDICES OF 100 TO 105 DEGREES EXPECTED
ON MONDAY.
* WHERE...PORTIONS OF CENTRAL, EAST CENTRAL, NORTH CENTRAL, AND
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
* WHEN...UNTIL MIDNIGHT CDT /1 AM EDT/ MONDAY NIGHT.
* IMPACTS...HOT TEMPERATURES AND HIGH HUMIDITY MAY CAUSE HEAT
ILLNESSES.
* ADDITIONAL DETAILS...HEAT IMPACTS WILL BE WORSENED BY CONSECUTIVE
DAYS OF HOT AND HUMID CONDITIONS, WITH OVERNIGHT LOWS IN THE MID
TO UPPER 70S PROVIDING LIMITED RELIEF.
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.
CARLAW
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