 WTOP Traffic Center is presented by Window Nation. Buy two windows, get two free. Visit windownation.com. Bob Inwood, WTOP Traffic. Next, it's Veronica Johnson, 7 News First Alert Chief Meteorologist. Partly sunny skies, and there is a chance for a little pop of thunderstorm, especially out in western Maryland. Temperatures will drop through the 90s into the 80s, and by morning, 75 to 80 degrees. Your high temperature Tuesday.