A jogger passes under power lines during an evening run on Monday in San Antonio. Nighttime temperatures will stay dangerously hot this week, forecasters have warned.
Mandatory Credit: Eric Gay/AP
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Texas’s nighttime temperatures are a symptom of a new, more dangerous kind of heat wave
A brutal heat wave is expanding across Texas and the South this week, impacting millions of Americans with triple-digit temperatures and extreme humidity that is cranking up the heat index, making it feel hotter than 110 degrees in some of the region’s most populous cities.
