Forecasters are calling for another day of of blistering heat along the East Coast.
Eastern cities from Washington, D.C. to Boston are expected to see temperatures near 100 degrees again Thursday.
The record temperatures have already been blamed for at least five deaths.
Forecasters said it felt even hotter because of the high humidity. The ridge of high pressure that brought the broiling weather is expected to remain parked over the region through Thursday.
In southern cities like Savannah, Ga., poisonous snakes were trying to find shade where they could.
And in Baton Rouge, La., thousands of fish have died as a result of the sun heating up the water and removing too much oxygen.
The triple digit temperatures in Lubbock, Texas, also have construction workers finding creative ways to work around the heat.
"It starts getting hot around 10 o'clock, 10:30, 11:00, till quitting time which is 4 o'clock for us. It's pretty hot," explained Junior Anaya, a construction foreman. "For example, we try to work on the west sides in the morning. If we have anything to do on the east side, we try to do that in the afternoon."
Meteorologists have also called this spring the most extreme on record for precipitation, tornadoes, and wildfires.
The 6- to 10-day outlook from the federal Climate Prediction Center calls for continued above-average readings centered on the mid-South, including Louisiana, Mississippi and Alabama, and extending as far as the Great Lakes and New York and New Jersey.