A heat advisory is in effect through 9 p.m. Wednesday. Heat index 100-105 degrees. It will be day three of our heat wave this week.

An air quality alert is in effect from 11 a.m. through 11 p.m. tonight.

NOW: Scattered strong to severe thunderstorms arrive after 7 p.m. through 10 p.m. Expect a few downpours, strong to damaging winds, thunder and lots of lightning.

NEXT: The dangerous heat and humidity sticks around into Wednesday with heat indices over 100. Scattered strong to severe storms arrive Wednesday afternoon into Thursday morning. A cold front will bring lower humidity and drier conditions by the end of this week into the weekend.

Tonight: Chance of storms early. Mostly cloudy, warm and muggy. Isolated storm. Lows near 79.

Wednesday: Hazy and steamy again. Chance of afternoon storms. Highs near 94. Lows near 74.

Thursday: Chance of storms early. Very warm and less sticky. Improving with sunshine. Highs near 85. Lows near 70.

Friday: (PICK OF THE WEEK) Mostly sunny, warm with lower humidity. Highs near 84. Lows near 68.

Saturday: Mostly sunny and warm. Slightly humid. Highs near 87. Lows near 73.

Sunday: Mostly sunny and hot. Turning muggy. Highs near 88. Lows near 74.

Monday: Sun, clouds, hot and sticky. Chance of storms. Highs near 88. Lows near 73.