Published: Mon, 18 Jul 2011 09:00:08 EDT
The heat wave continues over the central United States and is expected to expand eastward during the week. Heat index values in the triple digits are forecast across a large portion of the Midwest today, making it feel like 100 to 110 degrees or higher during the afternoon hours. The large area of high pressure responsible for the heat will expand eastward by midweek, with temperatures reaching the mid-90s in the Mid-Atlantic states as early as Wednesday. Further out, this dome of high pressure is forecast to dominate most of the eastern and central U.S. — bringing excessive heat to much of the eastern half of the country except for the Northeast and southern Florida — through the end of next week. Details…