HATTIESBURG, Miss. (WDAM) - Lows overnight will bottom out in the upper 60s. It will continue to get hotter Thursday and Friday as highs reach the low 90s under sunny skies and heat indices in the upper 90s. The hottest weather arrives this weekend as highs top out into the mid 90s with heat indices in the low 100s!! That would be the hottest weather since last September. The heat will be dialed back to the low 90s for early next week with no chances of rain over the next 10 days.