It was a clean sweep Thursday! Temperatures reached 90 degrees at all three major observation sites: O’Hare International ...

Northwestern University researchers are giving the city 30 recommendations to better prepare for heat waves and potentially ...

Forecasters warn of 100- to 105-degree heat index values through Tuesday, with potential storms offering limited relief.

The 1995 heat wave in Chicago killed 739 people and changed the nation’s approach to urban heat waves.

A historic, deadly heat wave affected much of the Midwest and specifically Chicago in July of 1995. Over 700 deaths were ...

Researchers have found that warmer, less dense air lets batted baseballs fly farther — leading to a slight but measurable ...

Power lines are working overtime with the heat, and some are concerned that blackouts are possible with so much air conditioning running at homes and businesses.

Chicagoans want water stations at bus stops, more greenspace, worker protections ahead of heat waves Thirty years after a heat wave left more than 700 people dead, Northwestern researchers asked ...

Excessive heat is America's No. 1 weather killer most years. This heat wave 30 years ago claimed hundreds of lives in the Midwest, including Chicago.

Everyone in the Chicago area was feeling the heat wave this week, and on the Evanston campus of Northwestern University, researchers were studying it. The researchers have been tracking the heat ...

Dozens of people gathered in Chicago's Austin neighborhood Tuesday night to remember hundreds of people who died during the July 1995 heat wave.