Baltimore under heat advisory as global temperatures break records

Much of Maryland — including Baltimore, Frederick, Columbia, Annapolis, Gaithersburg and Bel Air — is under a heat advisory from the National Weather Service from 12-8 p.m. on Monday. Heat indexes of around 105 degrees are expected around the region, according to the NWS. In Baltimore, temperatures could reach as high as 98 degrees with a heat index around 102, according to the forecast.