An Excessive Heat Warning and Heat Advisory is in effect until 8 PM CDT Thursday evening. Heat index values will climb above 105 degrees in most areas, with most locations above 110 degrees.
Very hot and humid conditions will continue for your 4th of July Thursday as temperatures climb into the upper 90s to near 100 degrees. When combined with the humidity, heat indices will range from 105 to 113+ degrees.
Isolated to widely scattered showers and thunderstorms will be possible this afternoon, mainly over Southern Arkansas and Northeast and North Central Louisiana.