The Chicago area is under an extreme heat warning until very late Monday night. Temperatures during the day Monday are ...

The heat index reached 106 Saturday and an extreme heat warning is in effect until Monday, according to the National Weather ...

Cook County and Chicago are under an Extreme Heat Warning starting Saturday morning, a Heat Advisory has been issued for the ...

Chicago is in store for more “dangerously hot and humid conditions” Sunday, with temperatures expected to climb well into the ...

Shortstop Elly De La Cruz vomits on field, while Mariners reliever Trent Thornton, umpire Chad Whitson forced to exit as ...

Chicagoans can expect intense heat compounded by muggy humidity for the next several days. The National Weather Service has ...

Cincinnati Reds shortstop Elly De La Cruz and Seattle Mariners reliever Trent Thornton got sick while playing in the extreme ...

The National Weather Service issued varying levels of heat advisories across Illinois from this weekend through early next ...

Maps show where extreme humidity and 90- or 100-degree temperatures will affect about 255 million people across the United ...

CHICAGO (WLS) -- The Chicago area will be undergoing another day of extreme heat Monday. A National Weather Service Extreme ...

Pools open across Chicago Saturday as temperatures are expected to soar into the 90s, with the heat index reaching 100-105 ...

Chicago faces a stretch of dangerous heat this weekend into early next week, with heat index values soaring above 100° and ...