Humid and hot for Chicago's Lollapalooza day 2

CHICAGO (CBS) — Following a few Friday morning rain showers, pleasant weather returns through the coming weekend.

Northwest flow aloft and a high-pressure system moving into the area will lead to sunny skies and hot days on Saturday and Sunday, with many areas reaching 90 degrees.

Concert-goers at Lollapalooza will be milder, especially on Saturday, with lake breezes keeping afternoon highs near 80.

Next week, a few isolated showers and storms will return at times, along with cooler-than-normal temperatures Tuesday through Friday.

Tonight: Mostly clear. Low: 70

Tomorrow: Mostly sunny and hot. High: 90, near 80 lakeside

Sunday: Partly cloudy and hot. High: 91