Sunday: Partly cloudy skies today with temperatures warming quickly into the low 90s. Temperatures will remain a bit cooler, in the mid to upper 80s, along the lake.

Humidity continues to rise today and heat index values expected into the triple digits for inland areas.

Chicago Weather | Tom Skilling and the WGN Weather Center’s Forecast (

Sunday Night: Many under a heat advisory from 1pm until 8pm today. A lake breeze later today will drop our temperatures and dewpoints quickly and we’ll have a comfortable evening ahead.

Monday: Week starts out mild with highs in the low 80s. Temperatures trend back into the upper 90s for the latter half of the work week.

Chicagoans take in the Air and Water Show, Italian Fest despite heat

According to the National Weather Service, a heat advisory is in place for most of northern Illinois until 8 p.m. tonight, including McHenry, DuPage, Kane, Kendall, Kankakee, Will and southern Cook counties.

NWS officials advise Chicagolanders 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 also never be left unattended in vehicles under any circumstances.

“Oh, its really hot and humid and muggy,” said Puja Ramaswamy, a festival goer. “So, we’re trying to cool off with some Italian ice.”