Friday, June 20, 2025

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

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

WWUS73 KLOT 202238
NPWLOT

URGENT - WEATHER MESSAGE
National Weather Service Chicago IL
538 PM CDT Fri Jun 20 2025



/O.CON.KLOT.HT.Y.0001.250621T1500Z-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 Downers Grove, Waukegan, Dixon, DeMotte,
Lombard, Roselawn, Rensselaer, Paxton, Gilman, Mundelein,
Morocco, Yorkville, Gurnee, Buffalo Grove, Woodstock, Plainfield,
Oswego, Mendota, Bradley, Mokena, Manhattan, Byron, Pontiac,
Fairbury, Rochelle, Channahon, Bourbonnais, Morris, Portage,
Dwight, Hammond, La Salle, Sycamore, Elgin, Ottawa, Gary, Oregon,
Gibson City, Streator, McHenry, Merrillville, Kentland, Beecher,
Kankakee, Aurora, Plano, Crystal Lake, Coal City, Minooka,
Peotone, DeKalb, Belvidere, Wilmington, Watseka, Algonquin,
Chesterton, Fowler, Carol Stream, Joliet, Bolingbrook, Crete,
Valparaiso, Naperville, Oxford, Rockford, Wheaton, and Marseilles
538 PM CDT Fri Jun 20 2025 /638 PM EDT Fri Jun 20 2025/

...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM CDT /11 AM EDT/
SATURDAY TO MIDNIGHT CDT /1 AM EDT/ MONDAY NIGHT...

* WHAT...Heat index values around 105 degrees expected.

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

* WHEN...From 10 AM CDT /11 AM EDT/ Saturday to 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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