 A look at your state forecast from the National Weather Service. Northern Mississippi will be sunny today with highs in the upper 80s. Tonight will be mostly clear with patchy fog after midnight and lows in the upper 60s. Central Mississippi will be sunny with areas of patchy fog in the morning and isolated showers and thunderstorms in the afternoon. Highs will be in the lower 90s with the highest heat index readings between 100 and 102.