Weather Underground Forecast for Friday, August 05, 2011.
The Central and Eastern US will see multiple areas of active weather on Friday, while hot temperatures will continue across the South-Central United States. A low pressure system on the East Coast will continue to pushed a frontal boundary southward into the Southeast kicking up showers and possible severe thunderstorms. In addition, high pressure will push moisture onshore producing showers for parts of Florida. However, the ridge of high pressure will remain stagnant over the South-Central United States and continue to bring hot and humid temperatures. Temperatures will reach over 100 degrees, with heat indices continuing to reach 120. Tropical Storm Emily will continue to move northwesterly reaching the Bahamas by Friday evening. This storm is expected to reach eastern Florida over the weekend
To the north, a ridge of high pressure building over the Northeast will produce sunny and quiet conditions for the region and parts of the Upper Great Lakes. Meanwhile, low pressure spinning over the Upper Midwest will push a frontal boundary through the Northern Plains triggering heavy showers and possible severe thunderstorms. Heavy downpours and strong winds will be associated with these storms with a possibility for flash flooding in the eastern portion of the Central Plains.
The Western US will continue to see mostly sunny and dry conditions on Friday. However, weak, onshore flow will produce low clouds and fog in the morning on the coasts. Temperatures in the Lower 48 states Thursday have ranged from a morning low of 33 degrees at West Yellowstone, Mont. to a high of 109 degrees at De Queen, Ark.