It's caused by a heat wave ending cold front.
Turkey tied a national temperature record on Thursday.
Some flooding risk also persists.
We're passing the midway point of climatological summer but there's still plenty ahead.
It's peak lightning risk season in much of the Lower 48.
Texas flash flood toll worst in decades.
Parts of Texas have seen six to 10 Julys worth of rain in a week.
Summertime has a hold on much of the U.S. to start the week.
A cold front is sweeping across the East Coast.
Canada has raced past average acreage burned for a whole year.
It was weather déjà vu in west Texas Thursday.
It appears May managed a near average tornado count.