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

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

WWUS73 KLOT 211527
NPWLOT

URGENT - WEATHER MESSAGE
National Weather Service Chicago IL
1027 AM 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 Dixon, Rockford, Minooka, Chesterton,
Roselawn, Oregon, Fowler, Merrillville, DeMotte, Carol Stream,
Belvidere, Mokena, Sycamore, Channahon, Wheaton, Bourbonnais,
Downers Grove, Bradley, Beecher, Pontiac, Plainfield, Portage,
Kentland, Paxton, Morris, Gilman, Marseilles, Naperville,
Bolingbrook, La Salle, Hammond, Oxford, Woodstock, Oswego,
Wilmington, Streator, Gary, Crystal Lake, Buffalo Grove, DeKalb,
Dwight, Gurnee, Fairbury, Mendota, Mundelein, Byron, Plano,
Kankakee, Algonquin, Elgin, Lombard, Rochelle, Yorkville,
Manhattan, Joliet, Aurora, Coal City, Crete, Rensselaer,
Valparaiso, McHenry, Gibson City, Peotone, Ottawa, Waukegan,
Watseka, and Morocco
1027 AM CDT Sat Jun 21 2025 /1127 AM 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 little 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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