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

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

WWUS73 KLOT 280226
NPWLOT

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


/O.CON.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 Crete, Elgin, Byron, Park Forest,
Fairbury, McHenry, Wilmington, Plano, Rensselaer, Oregon, Orland
Park, Mokena, Waukegan, Pontiac, Gurnee, Buffalo Grove,
Plainfield, Naperville, Cicero, Mundelein, La Salle, Peotone,
Merrillville, Schaumburg, Dixon, Northbrook, Crystal Lake,
Rockford, Morris, Beecher, Joliet, Watseka, Bolingbrook, Oak
Lawn, Paxton, Palatine, Carol Stream, Bourbonnais, Roselawn,
Downers Grove, Fowler, Rochelle, Woodstock, Kankakee, Mendota,
Sycamore, Morocco, Chicago, Belvidere, Oswego, Oak Forest,
Ottawa, Calumet City, Algonquin, Manhattan, Gibson City,
Yorkville, DeKalb, Dwight, Hammond, Lombard, Minooka, Lemont, Des
Plaines, Oak Park, Kentland, Bradley, Aurora, Marseilles, La
Grange, Wheaton, Evanston, Channahon, Portage, Streator, Gilman,
Gary, DeMotte, Oxford, Chesterton, Coal City, and Valparaiso
926 PM CDT Sun Jul 27 2025 /1026 PM EDT Sun Jul 27 2025/

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

* WHAT...Heat index values up to 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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