Thousands of people will flock to Philadelphia this summer for FIFA World Cup matches, Major League Baseball All-Star festivities and Wawa Welcome America celebrations. Large crowds, combined with high summer temperatures, can create dangerous conditions, especially during long periods of standing, walking and outdoor activities.

“Philadelphia will be filled incredible energy and excitement as we welcome visitors for these major events, but extreme heat can quickly turn dangerous if people aren’t prepared,” said Jennifer Graham, CEO, American Red Cross Southeastern Pennsylvania Region. “We’re urging everyone — whether you’re a lifelong resident or first-time visitor — to stay hydrated, take breaks in cooler areas and download our free Red Cross Emergency and First Aid apps so this summer remains both memorable and safe.”

Why Extreme Heat is a Serious Risk

Extreme heat is the leading cause of weather-related deaths in the United States. Last year ranked among the warmest on record globally, and forecasters expect above-average temperatures across much of the U.S. again this summer. Dense crowds, prolonged outdoor exposure, long transit times and limited access to shade amplify the risk of heat-related illness. 

Stay Safe During Extreme Heat

The American Red Cross urges everyone to take three critical actions to stay safe when temperatures are high:

1. Stay Hydrated – Drink one cup of water every hour, even if you don’t feel thirsty. Avoid sugary, caffeinated and alcoholic beverages.
2. Stay Cool – Spend time in air-conditioned spaces whenever possible. If your home is too hot, go to a mall, library or cooling center. At outdoor events, take breaks in shaded areas and rest frequently.
3. Stay Connected – Check in on friends, family and neighbors, and ask for help if needed. Don’t forget your pets; ensure they always have access to fresh water and shade.

Know the Signs of Heat-Related Illness

Heat-related illness occurs when your body can’t cool down properly. It’s critical to recognize the symptoms early and respond quickly.

• Heat Cramps – Symptoms: Heavy sweating and muscle pain. What to do: Stop activity, move to a cool place and sip water slowly. Seek medical attention if cramps last more than an hour or if you have underlying health conditions.
• Heat Exhaustion – Symptoms: Heavy sweating, weakness, cool and clammy skin, muscle cramps, dizziness, fainting, nausea or vomiting. What to do: Rest in a cool place, loosen clothing, apply cool wet cloths and sip water. Seek medical help if symptoms persist, worsen or include vomiting.
  
• Heat Stroke (medical emergency) – Symptoms: High body temperature, rapid heartbeat, confusion, headache, dizziness, fainting, nausea or vomiting. What to do: Call 9-1-1 immediately. Move the person to a cooler area, remove excess clothing and use cool cloths or a bath to lower body temperature. Do not give fluids.

While anyone can become ill during extreme heat, higher risk groups include:

• Older adults and young children
• Pregnant women
• People with chronic medical conditions or disabilities
• People taking certain medications
• Athletes, outdoor workers and those without access to air conditioning

Information at Your Fingertips

No matter your summer plans, download our free Red Cross Emergency and First Aid apps. The Emergency App provides real-time weather alerts, open Red Cross shelter locations and safety guidance, while the First Aid App offersstep-by-step instructions for handling common emergencies, including heat-related illness. Find both apps in your preferred app store by searching for “American Red Cross.”

Learn more about extreme heat and heat safety at redcross.org/HeatCheck or CruzRojaAmericana.org/CuidadoConElCalor.

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- Written by Alana Mauger