Tuesday, July 22, 2025

Extreme Heat Watch for McHenry Co., IL until 10:00 PM CDT 7/24

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

WWUS73 KLOT 220821
NPWLOT

URGENT - WEATHER MESSAGE
National Weather Service Chicago IL
321 AM CDT Tue Jul 22 2025



/O.CON.KLOT.XH.A.0002.250723T1500Z-250725T0300Z/
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-
Including the cities of Woodstock, Dwight, Peotone, Bourbonnais,
Paxton, Naperville, Wheaton, Mundelein, Kankakee, Algonquin,
Sycamore, Aurora, Crete, Oregon, Rochelle, Carol Stream, Dixon,
Mendota, Belvidere, Minooka, Elgin, Watseka, Gibson City, Joliet,
Marseilles, Oswego, Bolingbrook, McHenry, DeKalb, Downers Grove,
Mokena, Plainfield, Ottawa, Coal City, Pontiac, Channahon,
Manhattan, La Salle, Bradley, Waukegan, Gurnee, Byron, Crystal
Lake, Lombard, Streator, Gilman, Buffalo Grove, Wilmington,
Yorkville, Beecher, Fairbury, Rockford, Plano, and Morris
321 AM CDT Tue Jul 22 2025

...EXTREME HEAT WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING
THROUGH THURSDAY EVENING...

* WHAT...Dangerously hot conditions with heat index values of 105 to
115 possible.

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

* WHEN...From Wednesday morning through Thursday evening.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.

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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