A heat wave gripping the Pacific Northwest has prompted an extreme heat warning in Oregon. How high will temperatures get?

Amid ongoing wildfires, extreme heat is gripping the Pacific Northwest, with temperatures climbing into the mid-90s across ...

Dangerously hot conditions hit states up and down the West Coast over the weekend, owing to a persistent heat wave stretching ...

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.

The National Weather Service issued an Excessive Heat Warning for much of the Chicago area through Saturday evening.