 And of course, stay with your weather alert station, WTOP, for traffic and weather on the 8th. Amid these hot and dry conditions, you might be worried about your lawn. WTOP's Lynn Bowie finds out how to keep your grass healthy right now. The best thing you can do for your lawn is basically leave it alone. Try to keep off of it as much as you can and try not to fertilize at all during the heat of the summer. Dan Sandor, an assistant professor of turf grass science at Virginia Tech, says be careful with foot traffic and heavy equipment, including mowers.