Unrelenting Heat Across the U.S.
A powerful heat wave is set to affect a significant portion of the United States this week, according to the National Weather Service. As temperatures climb, the humidity will intensify the heat ahead of the July Fourth holiday.
Regions in Focus
The weather service forecasts several days of elevated temperatures across the lower Great Lakes, mid-Atlantic, and Mississippi and Ohio River valleys. Key cities like New York, Philadelphia, Washington, Baltimore, Chicago, St. Louis, and Detroit will be impacted. Southern cities including Dallas, Little Rock, and Memphis will also feel the heat.
High temperatures are expected to linger into next weekend in the Great Plains, Southeast, and mid-Atlantic areas. This marks the first major heat wave of the summer, affecting more than half of the country.
Temperature and Weather Conditions
The heat wave is moving across the central and eastern U.S., while the Four Corners regions face fire weather conditions. Severe thunderstorms in the northern Plains and Upper Midwest contribute to flooding worries from the Rockies to the Mid-Atlantic.
Temperatures will range from the 90s to low 100s Fahrenheit (mid to high 30s Celsius), with humidity pushing heat indices up to 115°F (46°C). Nightly temperatures will only drop to the 70s°F (21 to 26°C), offering little respite.
“The heat index provides a sense of actual heat impact including humidity, crucial for understanding prolonged exposure or strenuous activities,” the weather service noted.
Places in the Southwest, like Phoenix, Las Vegas, and central Texas, are already experiencing triple-digit heat.
Health Precautions
The National Weather Service advises reducing outdoor exertion, staying hydrated, and seeking air-conditioned spaces. Symptoms of overheating according to the Centers for Disease Control and Prevention include muscle cramping, dizziness, heavy sweating, shortness of breath, headaches, weakness, and nausea.
Cooler Temperatures in the West
While the heat grips much of the U.S., the Northwest and northern Rockies are experiencing cooler than average temperatures, ranging 20-35 degrees below normal.
Heat Situation in Europe
Europe is also contending with high temperatures. Germany recorded a record temperature of 106°F, according to AFP. Other affected countries include Switzerland, the Czech Republic, Denmark, and France. In France, incidents of drowning have increased as people seek relief in water bodies.