The Brief Heat wave continues with an isolated storm possible today Upper 90s to near 100 through Saturday Rain chances begin to increase this weekendThe summer heat isn't going anywhere as highs are still in the upper 90s for Thursday. Heat index values are predicted to be in the 100s. Another steamy afternoonHigh temperatures climb into the upper 90s to near 100 again today, with heat index values well into the triple digits. The hottest days are aheadThe heat peaks Friday and Saturday, with highs in the upper 90s to near 100 across much of Houston and Southeast Texas. A few more storms returnMoisture gradually increases this weekend, bringing a better chance for scattered showers and storms from Saturday into early next week.