EXTREME HEAT

The closures and early dismissals come as an excessive heat warning was expected to go into effect at 12 p.m. Tuesday for Northeastern Illinois and Northwest Indiana.

Alicia Roman has the latest forecast for the Chicago area.

Two rounds of strong-to-severe storms could develop across the Chicago area Tuesday, bringing heavy downpours, gusty, damaging winds and the potential for large hail as an excessive heat warning and air quality alert continues.

Also in the Chicago forecast for Tuesday: The chance for severe weather, and poor air quality.

Alicia Roman has the latest forecast.

More than 300,000 students will head back to classrooms Monday in sweltering heat as the first day of Chicago Public Schools begins.

While last week felt more like fall, excessive heat and dangerously high humidity will blanket the entire Chicago area for the next few days, beginning with Monday.

NBC 5 Storm Team Meteorologist Kevin Jeanes shares what to expect for Sunday and beyond.

As the warming Earth sizzled through a week with four of the hottest days ever measured, the world focused on cold hard numbers that showed the average daily temperature for the entire planet.

The number of heat-related deaths in Texas is rising among residents who lost power during Hurricane Beryl.

“At the end of the day, her dog saved her life by barking to alert our officer and K-9 Kip,” the Utah Division of Wildlife Resources said.

Over 300 deaths suspected to be linked to this summer’s record-breaking heat wave are being investigated in a single Arizona County, official statistics showed Thursday morning.

Three hikers died over the weekend in suspected heat-related cases at state and national parks in Utah, including a father and daughter who got lost on a strenuous hike in Canyonlands National Park in triple-digit temperatures.

It’s going to be a hot week in Chicago, and with such high temperatures come some serious health risks. But if you feel yourself overheating, do you know what to do to cool down quickly?

Distributors of federal aid expect they’ll be able to support 1 million fewer U.S. households in 2024: “This is more the price of climate change.”