 79 degrees with fair skies in Little Rock at this hour. We have an excessive heat warning in effect today and the July 4th holiday until 9 p.m. Heat index for both days may rise to 115 degrees. If you're planning any outdoor activities for the holiday, have an air conditioned space nearby and plenty of water. Keep an eye out for any early signs of heat exhaustion. It's 607. You're listening to Little Rock Public Radio. Good morning.