The U.S. faces severe heat waves, impacting areas from the Midwest into much of the Ohio Valley, Great Lakes, Northeast, and Mid-Atlantic through the next few days.

According to the latest updates from the National Oceanic and Atmospheric Administration (NOAA), high temperatures and warm overnight lows will likely challenge daily and even some monthly records.

Heat index readings are expected to peak from 100 to 105 degrees in many locations.

"Those without access to reliable air conditioning are urged to find a way to cool down. Record warm overnight temperatures will prevent natural cooling and allow the heat danger to...