iNWS Alert

ILZ003>006-008-010>013-019>021-023-032-033-039-106>108-INZ001-002-
010-011-019-301700-
/O.UPG.KLOT.HT.Y.0001.000000T0000Z-260702T0300Z/
/O.EXB.KLOT.XH.W.0001.000000T0000Z-260703T0500Z/
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 Rockford, Streator, Mendota, Yorkville,
Channahon, Wheaton, Portage, Algonquin, Minooka, Bourbonnais,
DeKalb, Dixon, Oregon, Mundelein, Chesterton, Crystal Lake,
Sycamore, Belvidere, Ottawa, Marseilles, Wilmington, Morocco,
Fairbury, Rensselaer, Naperville, DeMotte, Crete, Roselawn,
Gibson City, Woodstock, Dwight, Lombard, Hammond, La Salle,
Pontiac, Plano, Fowler, Waukegan, Elgin, Bolingbrook, Byron,
Plainfield, Gary, Kentland, Mokena, Kankakee, Coal City, Gilman,
Paxton, Beecher, Rochelle, Bradley, Joliet, Peotone, McHenry,
Oswego, Morris, Valparaiso, Watseka, Oxford, Manhattan,
Merrillville, Downers Grove, Carol Stream, Buffalo Grove, Gurnee,
and Aurora
151 AM CDT Tue Jun 30 2026 /251 AM EDT Tue Jun 30 2026/

...EXTREME HEAT WARNING IN EFFECT UNTIL MIDNIGHT CDT /1 AM EDT/
THURSDAY NIGHT...

* WHAT...Dangerously hot conditions with heat index values around
105 expected each afternoon.

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

* WHEN...Until midnight CDT /1 AM EDT/ Thursday Night.

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

* ADDITIONAL DETAILS...Dangerous heat is now expected to persist
through Thursday. Thunderstorms may begin to bring some relief
from the heat for portions of northern Illinois by Thursday
afternoon or evening.

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.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

&&