 This week's drought monitor shows more than half of the Upper Cumberland in need of rain, and a local Ag Extension agent says that means you may need to water your lawns. Overton County UT Extension agent Jason Garrett says most homeowners' lawns around here feature fescue. When you have lawns that go semi-dormant, and especially with this drought, you're going to have a lot of filth come up. You're going to have weeds coming.