WWUS73 KLOT 210747
NPWLOT
URGENT - WEATHER MESSAGE
National Weather Service Chicago IL
247 AM CDT Mon Aug 21 2023
/O.NEW.KLOT.EH.A.0001.230823T1600Z-230825T0100Z/
McHenry-Lake IL-DuPage-Northern Cook-Central Cook-Southern Cook-
Lake IN-Porter-Jasper-
Including the cities of Crystal Lake, Algonquin, McHenry,
Woodstock, Waukegan, Buffalo Grove, Mundelein, Gurnee,
Naperville, Wheaton, Downers Grove, Lombard, Carol Stream,
Evanston, Des Plaines, Schaumburg, Palatine, Northbrook, Chicago,
Cicero, Oak Lawn, Oak Park, La Grange, Calumet City, Oak Forest,
Lemont, Orland Park, Park Forest, Gary, Hammond, Merrillville,
Portage, Valparaiso, Chesterton, Rensselaer, and DeMotte
247 AM CDT Mon Aug 21 2023
...EXCESSIVE HEAT WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY EVENING...
* WHAT...Dangerously hot and humid conditions with heat index
values up to around 110 possible.
* WHERE...In Illinois, McHenry, Lake IL, DuPage, Northern Cook,
Central Cook and Southern Cook Counties. In Indiana, Lake IN,
Porter and Jasper Counties.
* WHEN...From late Wednesday morning through 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...
An Excessive Heat Watch means that a prolonged period of hot
temperatures is expected. The combination of hot temperatures and
high humidity will combine to create a DANGEROUS SITUATION in
which heat illnesses are possible. 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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