Socks and flip flops could be making a fashion statement in South Florida by tomorrow. A cold front is moving in. Temperatures in South Florida could be dropping 40-degrees between now and the weekend. Florida Weather Center meteorologist Matt Benz says the front will move in tonight-temperatures will be in the low 70's during the day tomorrow and then drop even when the sun goes down.He says this is an extended front and will last at least until Monday. Then we should be back in the upper 80-'s by next Tuesday.