Houston weather: Excessive heat warning Friday, Saturday

For the first time in nearly 7 years, the Houston area has been placed under an Excessive Heat Warning to warn about highs near 100 and heat index values up to 115 degrees. This advisory is in effect through at least Saturday as well. A "heat dome" of high pressure will dominate over the Rio Grande Valley for at least a week, so expect a slight chance for storms here along with very hot weather for Father's Day and Juneteenth.