 There's some relief for Hartford County residents who need to get out of the heat. The county's using public libraries as cooling centers from 10 a.m. to 6 p.m. through Wednesday. The cooling centers are available at libraries in Aberdeen, Abingdon, Bel Air, Darlington, Edgewood, Faustian, Haverdegrace, Jarrettsville, Joppa, and Norrisville. The National Weather Service has issued an excessive heat warning for the Baltimore area. A look at sports and the exclusive WCBM Weather Channel forecast next.