Excessive heat and more thunderstorms

AUSTIN (KXAN) -- Saturday dawned under a partly to mostly cloudy sky with a few areas of drizzle/mist/light rain. Most low temperatures were in the mid to upper 70s, including 78° at Camp Mabry. Lows in the low 70s were recorded in some of Lampasas, Mason, and San Saba Counties.Morning dew points were in the low to mid 70s in the Hill Country, rising to the mid to upper 70s along and east of I-35. Dew points at La Grange and Flatonia were still in the low 80s at 9 a.m.This afternoon's heat i