By Mary Kay Kleist

CHICAGO (CBS) — This week’s stretch of hot and humid weather will continue until Sunday, when a cold front will usher in milder and less humid conditions for next week.

(Credit: CBS)

The heat index will hover around 100 degrees each afternoon until the cold front passes Sunday night.

(Credit: CBS)

There’s a chance for a stray shower or storm this evening and tomorrow, but the best rain chance will be along the cold front Sunday afternoon.

(Credit: CBS)

Conditions will be noticeably Less humid starting Monday, as temperatures also will drop significantly, with highs in the mid to low 80s though next week.

(Credit: CBS)

TONIGHT: STRAY SHOWER OR STORM. MUGGY & WARM. LOW 75.
SATURDAY: HOT & HUMID. HIGH 93. HEAT INDEX AROUND 100 DEGREES. STRAY STORM CHANCE.
SUNDAY: AFTERNOON STORMS LIKELY. HIGH 91.

Mary Kay Kleist