Over the next few days, weather headlines throughout the southern United States will focus on severe thunderstorms and flash flooding.  What may be overlooked is the potential for record high temperatures.  Afternoon high temperatures will rise into the 60s, 70s, and 80s Wednesday afternoon. Even hotter temperatures will be found throughout Florida on Thursday.  A few cities in the Sunshine State may flirt with 90 degrees. While some cities in the South will potentially set new records, that will not be the case in the Midwest and Northeast.  However, unseasonably mild temperatures in the 50s and 60s will have many Northerners thinking Spring. Rain that accompanies this warmth will eventually transition to snow in parts of the Great Lakes and Northeast by the end of the week as temperatures cool.  Follow WeatherNation on Twitter and Facebook as we track a very dynamic system through the eastern United States. -Meteorologist Joe Astolfi