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CBS America

Deadly heat dome scorches Midwest and South as humidity climbs

CBS America · Current
CBS America
CBS America
Current

More than 130 million Americans are under heat alerts as temperatures soar across the country. In Iowa, the humidity is supercharged by crops in peak growing season, creating a phenomenon known as "corn sweat."

Breakdown
  • Over 100 million people in the Midwest and South are under an intense heat dome.
  • Temperatures and humidity are significantly elevated, affecting outdoor events like the Ragbrai bike ride in Iowa. 10s
  • High humidity is preventing sweat from evaporating, increasing discomfort for those outdoors. 30s
  • Moisture released by corn crops, known as 'corn sweat,' is contributing to higher humidity levels. 37s
  • This period marks the peak of water vapor release from crops, intensifying oppressive weather conditions. 1m 0s
Rural & AgricultureWeather