The criteria to issue a heat advisory, excessive heat watch and excessive heat warning is not clear-cut in NJ. Here's maps, what to know.

When an excessive heat warning is issued, extreme caution is needed. This includes limiting time outdoors, drinking plenty of water, not drinking too much alcohol or coffee, ...

The National Weather Service issued an extreme heat warning for a second day as the heat index surpasses 100. See how hot it ...

Each local National Weather Service office issues 3 different heat alerts to classify the appropriate level of risk posed by ...

The National Weather Service issued an extreme heat warning nearly all of Delaware lasting through June 25. See how hot Delaware will get this week.

NYC is expected to be hit with extreme heat over the next several days, even a potential heat wave early next week.

Excessive heat warnings are issued when the heat index is 113 degrees or greater. Heat alert criteria are slightly different in the Miami metro area. In Miami-Dade and Broward counties, the ...