Potential tropical system could bring Texas rain

AUSTIN (KXAN) -- Low humidity and northeast winds are in place behind an enjoyable August cool front, leading to a briefly cooler, more comfortable morning coming on Wednesday.Behind the front, temperatures were at their 'coolest' in 2 1/2 weeks in Austin on Tuesday, but still reached the triple-digits for the 39th-consecutive day -- our longest heat wave on record.As skies remain clear and low humidity is still in place overnight, many suburbs and rural communities will wake up in the 60s on We