Tropical Storm 'Isaac' to Become Hurricane by Tomorrow

The tropical storm that's headed this way is expected to become a hurricane by tomorrow and could hit the Florida Keys and skirt the state's west coast or turn slightly east and hit South Florida early Monday morning. See the National Weather Service tracking map below.

http://www.miamiherald.com/2012/08/22/2962721/issac-better-organized-still-threat.html