Isolated storm threat as intense heat rolls on

AUSTIN (KXAN) -- Happy Father's Day from the First Warning Weather team!
Highs on Sunday were record-tying as we reached 106º at Austin's Camp-Mabry tying the previous record from this day in 2011. This also made it the hottest day of the year.HeatThe National Weather Service has extended its heat alerts to 9 p.m. Tuesday. The Excessive Heat Warning is for heat index readings up to 120°. The Heat Advisory for the Hill Country is for heat index readings up to 112°.Heat Alerts extende