Heat index could reach 109 Thursday

Mostly sunny and hot Thursday with a high near 97. Heat indices are expected to be between 105 and 109 degrees, according to the National Weather Service.

Light and variable wind becoming south southeast 5 to 10 mph in the morning.

Partly cloudy Thursday night with a low around 76. South southeast wind 6 to 14 mph, with gusts as high as 18 mph.