Fall begins Sunday, and this final week of summer will stay hotter than normal through Friday. High temperatures will be in the low to mid-90s. There will be a chance of isolated showers and thunderstorms each afternoon. Chances for rain will get better Friday and Saturday with the arrival of a cold front, and high temperatures will drop into the high 80s this weekend, which is normal for mid-September. Winds will be southeast 5 to 10 mph through the week.