By Laura Bannon

CHICAGO (CBS)– There are a few rainy days ahead of a summery weekend.

Off and on showers are expected throughout the day Thursday with storms possible by afternoon. Temperatures will be in the low 70s.

The chance for rain showers hold through Friday.

Headed for weekend sunshine and warmer conditions. Toasty temperatures expected both Saturday and Sunday in the lower 80s. Low risk for an isolated shower for Marathon Sunday.

Laura Bannon