Tuesday, August 22, 2023

Excessive Heat Warning for McHenry Co., IL until 9:00 PM CDT 8/23, Excessive Heat Watch for McHenry Co., IL until 8:00 PM CDT 8/24

WWUS73 KLOT 221455
NPWLOT

URGENT - WEATHER MESSAGE
National Weather Service Chicago IL
955 AM CDT Tue Aug 22 2023



/O.CON.KLOT.EH.W.0002.230823T1600Z-230824T0200Z/
/O.CON.KLOT.EH.A.0001.230824T0200Z-230825T0100Z/
Boone-McHenry-Lake IL-De Kalb-Kane-DuPage-Kendall-Grundy-Kankakee-
Iroquois-Northern Will-Southern Will-Eastern Will-
Including the cities of Belvidere, Crystal Lake, Algonquin,
McHenry, Woodstock, Waukegan, Buffalo Grove, Mundelein, Gurnee,
DeKalb, Sycamore, Aurora, Elgin, Naperville, Wheaton,
Downers Grove, Lombard, Carol Stream, Oswego, Yorkville, Plano,
Morris, Coal City, Minooka, Kankakee, Bourbonnais, Bradley,
Watseka, Gilman, Joliet, Bolingbrook, Plainfield, Mokena,
Channahon, Manhattan, Wilmington, Crete, Peotone, and Beecher
955 AM CDT Tue Aug 22 2023

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM TO 9 PM
CDT WEDNESDAY...
...EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM WEDNESDAY EVENING
THROUGH THURSDAY EVENING...

* WHAT...For the Excessive Heat Warning, dangerously hot
conditions with heat index values of 110 to 115 expected with
locally higher values possible. For the Excessive Heat Watch,
dangerously hot conditions with heat index values of 110 to
115 possible.

* WHERE...Boone, De Kalb, Kane, Kendall, Grundy, Kankakee,
Iroquois, Northern Will, Southern Will and Eastern Will
Counties.

* WHEN...For the Excessive Heat Warning, from 11 AM to 9 PM CDT
Wednesday. For the Excessive Heat Watch, from Wednesday
evening through early Thursday evening.

* IMPACTS...Extreme heat and humidity will significantly
increase the potential for heat related illnesses,
particularly for those working or participating in outdoor
activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Be prepared to drink plenty of fluids, stay in an air-
conditioned room, stay out of the sun, and check up on relatives
and neighbors.

Young children and pets should never be left unattended in
vehicles under any circumstances. This is especially true during
warm or hot weather when car interiors can reach lethal
temperatures in a matter of minutes.

&&


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