Many US cities will see record overnight temperatures

2 hours ago

Another week of blistering heat will bring increased health risks, with many U.S. cities expected to break overnight temperature records.
Health experts warn that high overnight temperatures are more dangerous than daytime heat because they prevent the body from cooling down and recovering.
More than 90 temperature records across the U.S. are predicted to be tied or broken this week, with most being overnight heat records.
Overnight temperatures are forecast to remain above 80°F in several southern cities and above 70°F in parts of the Midwest and Northeast.
High body temperatures from persistent heat can lead to heatstroke and strain on the heart, especially affecting the elderly and vulnerable communities.
Mortality risks during heat waves often start on the second or third day due to the body's inability to cool down, highlighting the need for proactive measures.
Early warning signs of heat-related illness include heavy sweating, muscle cramps, and headaches.
Experts recommend finding ways to cool off, such as using air conditioning, applying cold towels, and checking on vulnerable friends and family.
Even without air conditioning, relief can be found by visiting public spaces like libraries, using fans with water spray, soaking clothes, and drinking plenty of water.

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