A storm system is expected to bring widespread rainfall across Arkansas this weekend. This image shows expected rainfall totals this weekend across the state on the top. The heaviest rainfall totals are expected to remain across southern Arkansas and northern Louisiana where over 2 inches of rain are likely. Rainfall totals of one half inch to 2 inches are likely across most of Arkansas. The best rainfall chances are expected to occur Saturday afternoon across the state. A look at how rain chances change through time this weekend is included at the bottom of the image. This shows rain chances across Arkansas from Midnight Saturday morning through Midnight Sunday night/Monday morning. Rain chances increase throughout the day on Saturday...peaking between 80 and 90 percent Saturday afternoon. Rain chances slowly fall through Saturday night and Sunday with rain chances falling below 20 percent after sunset Sunday.