The lakefront was crowded, and so were public pools, as crowds headed out to keep cool by taking a dip anywhere they could.

Chicago’s beaches are busy on yet another day of extreme heat. A Midwest heat dome is driving high temperatures and humidity through Chicago, pushing RealFeel temperatures into the triple digits.

It will be dangerously, "oppressively" hot and humid — with little relief at night — Saturday through Monday, according to the National Weather Service.