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

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

Another heat wave brings dangerous temps to Chicago area through Tuesday, forecasters say Forecasters warn of 100- to 105-degree heat index values through Tuesday, with potential storms offering ...

Some storms on Tuesday could turn strong to severe, with damaging wind gusts and heavy rainfall being the primary threats.

At least 150 heat-related deaths have been recorded across the United States this year, and that was before the ...

This past Thursday should have been a beautiful day, a day to throw open the windows and putter in the garden, long-awaited ...

One reason for the difference is the ubiquity of air conditioning in the U.S. and the relative paucity in Europe.

The National Weather Service already has issued extreme heat warnings, watches and advisories across a swath of the Midwest and South.

The utility is operating under an expired power-service agreement. That could provide leverage to get more money for people ...

A cold front is bringing storms and lower temperatures to parts of the country, while the Midwest sees poor air quality from ...

After weeks of scorching the U.S. with dangerously high temperatures, a record-breaking heat dome will finally begin to break ...

Almost 85 million Americans from South Dakota to Texas and North Carolina to Florida are already under extreme heat warnings, watches or advisories.