CHICAGO (CBS)– It’s going to be a calm day, but temperatures are still cooler-than-average.

Thursday will have a mix of clouds and sun today with high temperatures in the mid 60s. Areas near the lakefront could be cooler.

A warmup is ahead.

Friday’s temperatures will be in the 70s with partly sunny skies.

By Sunday temperatures are expected to be in the mid 80s. Scattered showers and storms are possible on Saturday and Sunday.