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Peak heat indices are forecast to be in the 100-110 degree range, especially on Monday, the NWS said.
CHICAGO (WLS) — Potentially dangerous heat is expected to impact the Chicago area on Monday.
The National Weather Service issued a Heat Advisory for Boone, Cook, DeKalb, Will, Grundy, Kane, Kankakee, Kendall, LaSalle, Lake (IL), Livingston, McHenry, Ogle, Winnebago, Newton, Jasper, Lake (IN) and Porter counties from noon to 8 p.m. Monday.
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Heat and humidity are building on Sunday through Tuesday.
Peak heat indices are forecast to be in the 100-110 degree range, especially on Monday, the NWS said.
SEE ALSO | How to stay cool in Chicago area amid rising temperatures this summer: LIST
AccuWeather Meteorologist Greg Dutra said temperatures in parts of the area will exceed 105 degrees on Monday afternoon.

Storm chances will return on Tuesday with a cool-down leading up to the beginning of August.
READ MORE | OEMC, cooling centers, AC and more: What’s changed since the deadly 1995 Chicago heat wave
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