Which restaurant are open on Memorial Day in Chicago areas?

Many restaurants in the Chicago area remain open on Memorial Day, including popular chains like Denny's and IHOP, as well as local favorites such as Lou Malnati's Pizzeria and Portillo's. It's advisable to check specific locations for their holiday hours, as they can vary. Additionally, many outdoor patiOS and bars may host special events or barbecues to celebrate the holiday. Always consider making reservations in advance, as it can be a busy day for dining out.