 South Arkansas weather. We are looking at sunny skies throughout the day. Temperatures should reach near 90. Tonight, expect mostly clear skies and an overnight low near 68. For Sunday, we've got a 30% chance it showers and thunderstorms late. It'll be mostly sunny with temperatures reaching near 89. Then on Sunday night, 40% chance it rain, mostly cloudy and 69. Monday, more rain in the forecast, mostly cloudy, temperatures reaching near 86. Out of the Radio Works Weather Center, I'm JJ.