A severe thunderstorm watch is in effect until 10 p.m. for Camp, Delta, Dallas, Denton, Tarrant, Collin, Fannin, Franklin, Grayson, Hopkins, Hunt, Kaufman, Lamar, Morris, Rains, Red River, Rockwall, Titus, Upshur, Van Zand and Wood counties.

Quarter-size hail, lightning and wind gusts up to 70 mph are possible.