 A look at your state forecast from the National Weather Service in Jackson. Northern Mississippi will be sunny today with highs in the lower 90s. Tonight will be mostly clear with lows in the lower 70s. Central Mississippi will be sunny today with a slight chance of afternoon showers and thunderstorms. Highs will be in the mid 90s with heat index readings from 100 to 105. Tonight will be mostly clear with lows in the lower 70s.