The National Weather Service has issued an extreme heat warning for New Castle County and an extreme heat watch for Kent and Sussex counties. The warning runs from noon July 1 through 8 p.m., July 4.

New York state has entered its first heat wave of the summer - with highs expected to soar into the upper 90s and even past ...

As summer temperatures rise, dairy cows are at greater risk for heat stress. Heat-stressed cows suffer from reduced dry ...

Michigan's heat wave this week will feel even warmer because of high humidity. Here's how the heat index works.

Delaware is facing a heat wave this week with dangerously high heat indexes, according to the National Weather Service ...

Delaware is in for its first summer heat wave this week, as hot, humid weather moves into the First State. The National ...

The heat index shows how humidity makes hot days feel hotter, and why direct sun can push dangerous conditions even higher.

Humidity is part of the answer. But Britain’s housing, long summer days, and lack of experience with extreme heat also make ...

While the impact of excessive heat in beef cattle herds varies around the country and across classes of cattle, the most dramatic impact of heat stress is the marked reduction in reproductive ...

Harvesting soybeans at the ideal moisture is a lot like hitting the bull’s-eye on a dartboard. When you aim for 13% soybean ...

Heat waves do more than dry out vegetation that can easily burn. They also play a role in lightning strikes, particularly dry ...

A heat advisory has been issued for the Houston and Galveston area between 11 a.m. Thursday and 10 p.m. Friday, with expected ...