Tuesday could feel like 109 degrees as 'dangerous' heat hits Chicago, forecasters say

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Morning forecast for Chicagoland on June 13th

FOX 32's Kaitlin Cody breaks down today's weather outlook.

After a mild start to June, temperatures will soar into the 90s this week as "dangerous heat and humidity" moves into the Chicago area, forecasters say.

A heat advisory is issued for Tuesday and Wednesday in northern Illinois, where heat index values could reach between 105 to 109 degrees, according to the National Weather Service.

"Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors," the weather service warned in its advisory.

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Before the oppressive heat Tuesday, severe thunderstorms were expected Monday afternoon, mainly between 2 p.m. and 4 p.m., according to the weather service.

Rainfall amounts are expected to be low, below a tenth of an inch, but that could be higher in areas hit by severe storms, according to the weather service.

Temperatures could reach 85 degrees Monday.

A cold front will bring relief later this week.

By Thursday, high temperatures will be in the low 90s, and Friday will be in the mid 80s. It could feel more like the 70s near Lake Michigan.

The weekend was forecast to be sunny with highs in the 80s.