Travel Safely in Heat
As summer heat intensifies, travelers can take these steps to prevent heat-related illness.
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With above-average temperatures expected this summer — and potentially beyond — health experts are urging travelers to treat extreme heat like any other serious weather hazard. Heat is the number one weather-related killer in the United States, according to The Daily Press, and this season's conditions could push heat index values to 110°F in parts of Texas and Missouri.
Dr. Alexander Azan of NYU Langone Health says the approach should mirror how people prepare for extreme cold. "The same way that we prepare for more extreme travel in the cold, we should start to consider those tips to keep us safe in the summer months," he said, according to The Sun Sentinel.
Check the Heat Index Before You Leave Home
Temperature alone does not tell the full story. The heat index — which combines temperature and humidity — is what determines how dangerous the air actually feels to your body. Experts recommend checking it before every trip, according to The Trentonian. If the forecast shows extreme levels, consider shifting your destination to coastal areas or higher elevations, where conditions are cooler.
Some prescription drugs make the heat more dangerous. Medications for high blood pressure, anxiety, and depression can interrupt the body's ability to regulate its own temperature, according to The Orlando Sentinel. If you or anyone in your travel group takes these medications, talk to a doctor before departing.
Vulnerable Travelers Need Extra Protection on the Road
Older adults, pregnant individuals, young children, and infants are at the highest risk in extreme heat. Research shows that older adults can experience dangerous health events when the heat index reaches just 90°F — well below the 95°F threshold many cities use for heat alerts, according to The Twin Cities Pioneer Press. Pack cooling towels and keep high-risk travelers hydrated throughout the drive.
If you are traveling with an infant, avoid carrying the baby against your body during the hottest parts of the day. Body-to-body contact transfers additional heat directly to the child, according to The News-Herald. Pets also need hydration and cooling breaks — do not leave them in a parked car, even briefly.
What to Pack and What to Wear in High Heat
A short packing list can make a big difference. Experts recommend bringing a reusable water bottle, breathable clothing, sunscreen, sunglasses, a hat, and a cooling towel, according to The Press Democrat. Staying ahead of dehydration matters — do not wait until you feel thirsty to drink water.
Heat exhaustion can set in quickly and escalate into life-threatening heat stroke if ignored. Symptoms of heat exhaustion include heavy sweating, weakness, and nausea. Heat stroke — which can be fatal — involves a body temperature above 103°F, confusion, and loss of consciousness, according to The Greeley Tribune. Move to a cool place and call 911 immediately if those symptoms appear.
Keep Your Vehicle Ready Before Hitting the Highway
Extreme heat is hard on cars. Check your engine cooling system and battery before any road trip, since both can fail faster in high temperatures, according to The Pottstown Mercury. A dead battery or overheated engine on a remote stretch of highway in triple-digit heat can quickly become a safety emergency.
Never let your fuel tank drop below a quarter full during a road trip in the heat. The fuel itself helps cool the fuel pump, and running low puts extra strain on the system, according to The Citizens' Voice. A breakdown far from services in extreme heat — with children, elderly passengers, or pets in the car — can turn dangerous within minutes.
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