EVANSVILLE, Ind. (WFIE) -Tropical air roared back into the Tri-State on Thursday. Highs climbed into the low to mid 80s as forecast. More warm and humid weather for Friday and Saturday with isolated pop-up showers possible each afternoon. Storm chances return on Sunday as a strong cold front approaches from the west. Heavy rain and some damaging winds may be possible if the system arrives at the optimal time. Unsettled, stormy weather persists through the middle of next week with more strong storms possible on Tuesday.