Folks, you'll be amazed by how fast it warms up later this week. From themid-Atlantic to New England, Thursday will remain cool, then almost magicallyit will be in the 70s Friday. It won't stop there. This weekend will feature80s from the Ohio Valley eastward. Even the valleys tucked between theAppalachians will experience temperatures above 80 degrees Saturday afternoonand again on Sunday.The change will come so fast that many might feel that it's too warm. Thathappens when one doesn't have time to acclimate to the changing conditions. Thedownside to the upcoming warm weather is that many will get a sunburn, and somewill suffer dehydration.

Story by AccuWeather.com Expert Senior Meteorologist John Kocet.