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

A heat advisory is in effect through 8 p.m. Wednesday.

An air quality alert is in effect from 11 a.m. to 11 p.m. today.

Dangerous heat continues through Wednesday. A cold front Wednesday night into Thursday with showers and thunderstorms will break the heat.

WHAT'S NEW: Timing on storms for Thursday has moved to the evening. More rain on Friday.

WHAT'S NEXT: Near record highs for today. Dangerous heat levels.

TODAY: HEAT ALERT. Mostly sunny, hot and humid. High near 94. Heat index values as high as 105. Southwest wind 5 to 15 mph.

TONIGHT: Mostly clear, with a low around 77. Southwest wind 5 to 7 mph. Wednesday: HEAT ALERT. Hot and humid. Mostly sunny, Chance of a late day thunderstorm. with a high near 92. Heat index values as high as 105. South wind 5 to 15 mph.

Wednesday Night: Some spotty showers and thunderstorms. Mostly cloudy, with a low around 74. Southwest wind 5 to 10 mph.

Thursday: Sun and clouds with late day showers and thunderstorms. Some thunderstorms can produce heavy rain and strong winds. Highs in the 80s. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 69. Friday: On and off rain through the day. Mostly cloudy, with a high near 78.

Friday Night: Mostly cloudy, with a low around 65. Saturday: Mostly Sunny, with a high near 81.