21.   Hot and muggy weather will persist across the Southeast and Middle Atlantic states.

22.   Hot weather will persist across the southern Plains, with isolated thunderstorms bringing brief, spotty relief to a few parts of Texas and Oklahoma.

23.   Humid weather will persist across much of the Deep South.

24.   In addition, clouds will persist across the Great Lakes, as moisture from the tops of these thunderstorms is transported toward the southeast by the jet stream.

25.   In the West, record warmth will persist across interior California.

26.   In the meantime, ample sun will persist across the Southeast, including Florida.

27.   Low clouds and some patches of fog will persist across portions of Oregon and Washington.

28.   Mainly cloudy skies will persist across interior sections, especially in the mountains.

29.   Meantime, very hot conditions will persist across the southern Plains, while a few thunderstorms will percolate across west Texas, eastern New Mexico and Colorado.

30.   Meanwhile, scattered thunder will persist across Florida ahead of a cold front.