Cooler with periods of rain and storms for Sunday

AUSTIN (KXAN) -- Isolated strong to severe storms continue to move through the Hill Country. These storms have produced up to tennis ball size hail northwest of our area as well as wind gusts to 75mph. These storms have struggled to get closer to I-35, but as the night goes on we'll see gradually increasing rain chances in the Austin Metro as a cold front slides south through the area.A new Severe Thunderstorm Watch has been issued for Gillespie, Blanco, Hays and Caldwell Counties until 5 a.m. a