Heat Advisory for McHenry Co., IL until 8:00 PM CDT 7/28

C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX

WWUS73 KLOT 271827
NPWLOT

URGENT - WEATHER MESSAGE
National Weather Service Chicago IL
127 PM CDT Sun Jul 27 2025


/O.NEW.KLOT.HT.Y.0003.250728T1700Z-250729T0100Z/
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-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 Sycamore, Evanston, Watseka, Crystal
Lake, Kankakee, Valparaiso, La Salle, Bourbonnais, Gibson City,
Mokena, Pontiac, Coal City, Carol Stream, Oak Lawn, Northbrook,
Plano, Gilman, DeMotte, La Grange, Lombard, Woodstock, Waukegan,
McHenry, Naperville, Fowler, Streator, Gary, Portage, Joliet,
Wheaton, Ottawa, Peotone, Oak Forest, Cicero, Buffalo Grove,
Manhattan, Marseilles, Rochelle, Mendota, Oak Park, Belvidere,
Des Plaines, Chicago, Oregon, Yorkville, Roselawn, Crete,
Bolingbrook, Byron, Rensselaer, DeKalb, Gurnee, Elgin, Palatine,
Bradley, Dixon, Aurora, Schaumburg, Channahon, Park Forest,
Wilmington, Kentland, Oswego, Chesterton, Paxton, Morris, Orland
Park, Dwight, Oxford, Rockford, Minooka, Beecher, Hammond,
Merrillville, Mundelein, Plainfield, Lemont, Downers Grove,
Algonquin, Morocco, Fairbury, and Calumet City
127 PM CDT Sun Jul 27 2025 /227 PM EDT Sun Jul 27 2025/

...HEAT ADVISORY IN EFFECT FROM NOON CDT /1 PM EDT/ TO 8 PM CDT /9
PM EDT/ MONDAY...

* WHAT...Heat index values 105 to 109 expected.

* WHERE...Portions of central, east central, north central, and
northeast Illinois and northwest Indiana.

* WHEN...From noon CDT /1 PM EDT/ to 8 PM CDT /9 PM EDT/ Monday.

* 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.

&&


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