High pressure will cause temperatures to reach dangerous levels this week, but another gulf disturbance looms by the weekend.

Expect sizzling daytime highs of 97–99 through Thursday with heat index values above 100. Morning lows remain steamy. Although no heat advisories are in effect, be careful not to overexert yourself outside,

Moisture from the Gulf—augmented by remnants of last week's tropical wave—will surge in Thursday night into Friday, boosting rain and storm chances to 50%, especially during afternoon and evening hours.