Saturday, June 21, 2025

Heat Advisory for McHenry Co., IL until 12:00 AM CDT 6/24

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

WWUS73 KLOT 220159
NPWLOT

URGENT - WEATHER MESSAGE
National Weather Service Chicago IL
859 PM CDT Sat Jun 21 2025



/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 Paxton, Gary, Gilman, Minooka,
Bourbonnais, Buffalo Grove, Wheaton, Valparaiso, Byron, Lombard,
Carol Stream, Pontiac, Manhattan, Rochelle, Coal City, Watseka,
Mokena, Rensselaer, Merrillville, Elgin, DeKalb, Woodstock,
Peotone, Morris, Rockford, Dixon, Gibson City, Bolingbrook,
Joliet, Mundelein, Kankakee, Bradley, Sycamore, Aurora, Waukegan,
Crystal Lake, Gurnee, Algonquin, Crete, La Salle, Belvidere,
McHenry, Roselawn, Downers Grove, Marseilles, Dwight, Hammond,
Beecher, Chesterton, Streator, Portage, Oswego, Channahon,
Naperville, Fairbury, Oxford, Ottawa, Yorkville, DeMotte,
Mendota, Kentland, Fowler, Plano, Morocco, Plainfield,
Wilmington, and Oregon
859 PM CDT Sat Jun 21 2025 /959 PM EDT Sat Jun 21 2025/

...HEAT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CDT /1 AM EDT/
MONDAY NIGHT...

* WHAT...Peak afternoon heat index values around 105 degrees
expected.

* 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
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.

Monitor the latest forecasts and warnings for updates.

&&


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