The heat will peak for the next two days, with a heat index of near 100 degrees by Friday. The air quality is poor, making it difficult to breathe outdoors.

TONIGHT: Hazy, warm and humid. Lows near 75 degrees.

FRIDAY: Hazy, hot and humid. Scattered late and evening storms. Highs around 97.

SATURDAY: Partly sunny, hot and humid. Highs in the low- to mid-90s.

SUNDAY: Hazy, hot and humid once again. Chance of an evening thunderstorm. Daytime high around 95.

MONDAY: Partly sunny with some slight relief. Highs in the upper-80s.

TUESDAY: Sunny, very warm. Highs around 88.

WEDNESDAY: Hazy, hot and humid. Chance of an evening thunderstorm with highs in the low-90s.