A few storms may fire up late Wednesday, but there is a much greater chance of storms by Thursday. Those showers and storms will develop ahead of an approaching cold front that will put an end to this heat wave and usher in much cooler air by Friday.

If a child is showing symptoms of heat-related illness, they should be brought to a cool place and provided with cool water or a sports drink that contains electrolytes. After consuming fluids, a child can eat salty foods like pretzels or potato chips, according to the AAP.

New England’s heat wave will continue into its third day on Wednesday with scorching hot temperatures in the 90s and stifling humidity that will send heat index values into the 100s. Heat advisories remain in effect until 8 p.

On Tuesday, the heat turns up even more with high temperatures across the region likely in the mid-upper 90s. The forecast for Tuesday and Wednesday in Philadelphia is for a high of 98 degrees, which would tie the record for both days.

It's easy to lose your appetite when it's too hot out. But eating the right foods will help you beat the heat.

The latest heat wave is expected to last just one day longer before significantly cooler temperatures return to the region. Meteorologist Andrew Kienzle of the National Weather Service in Pittsburgh said the temperature was expected to creep up from its high of 94 degrees Tuesday to 95 on Wednesday.

As a summer heat wave sweeps through the region, air conditioning systems are being pushed to their limits, and some are failing.

Around 170 million Americans from Nebraska to the Northeast are experiencing extremely warm temperatures due to an ongoing heat wave.