Good morning. The forecast in Baltimore today calls for a mix of clouds and sunshine. It’ll be humid with a high of 91 and a low of 78. Expect a shower or thunderstorm in spots. You’ll see patchy clouds tonight. I'm Mary Regalado, and here are the top headlines from the Baltimore Sun for Thursday, July 18th. The heat index surged to 100 degrees for a second consecutive day in and around Baltimore yesterday, and was forecast to go even higher in the coming days.