CHICAGO — Another extremely hot and humid day took place on the first day of summer across Chicagoland.

Tuesday is the summer solstice — the longest daylight hours of the year and the official start of summer.

Temperatures will be in the upper 90s, but some areas are likely to see triple digits, or very close. As of 5 p.m., Midway topped out at 101 degrees and O’Hare was 99 degrees.

Heat index values were between 100 to 105 degrees. 

A Heat Advisory is in effect starting at noon until 7 p.m. for Northwest counties. There is a chance for showers or thunderstorms Tuesday night.

Full forecast details and more at the WGN Weather Center blog

The city has reopened cooling centers for those who need to escape the heat.

Cooling areas are located at six community service centers. Visitors are required to wear a face covering while in the cooling areas.

  • Englewood Center – 1140 W. 79th Street
  • Garfield Center – 10 S. Kedzie Ave.
  • King Center – 4314 S. Cottage Grove
  • North Area Center – 845 W. Wilson Ave.
  • South Chicago Center – 8650 S. Commercial Ave.
  • Trina Davila Center – 4312 W. North Ave.

Chicago’s Office of Emergency Management advises anyone with heat issues to call 311. 

Temperatures on Wednesday fall off a bit, with a high of 90 degrees expected, low of 76.