On Monday at 1:52 p.m. an extreme heat warning was issued by the National Weather Service in effect until Tuesday at 10 p.m.

The extreme heat warning for northwest Oregon has been extended into Aug. 12 due to temperatures that will continue to ...

Triple-digit temps are expected along both sides of the Oregon Cascades, and stretching east to the John Day Basin and Blue Mountains.

The National Weather Service issued an extreme heat watch at 11:35 p.m. on Sunday valid for Tuesday between 11 a.m. and 8 p.m ...

An extreme heat warning for Portland is issued by NWS, expecting temperatures up to 105 degrees. The public is advised to ...

Southern California's prolonged heat wave is finally forecast to let up by Wednesday, but elevated temperatures will continue ...

In the Southwest, cities including Las Vegas and Phoenix are under extreme heat warnings, with temperatures expected to climb ...

Temperatures are expected to reach between 106 and 111 degrees this week. The hottest day will be Tuesday with an expected ...

The hot pattern will peak today as the mercury in the thermometer will reach the triple digits in a number of locations.  The ...

By Michael Le PageIn tropical regions such as the Amazon and Panama, the populations of some birds have fallen by as much as ...

A new report finds multi-day streaks of extreme heat are becoming stronger and lasting longer across the U.S., especially in ...

Learn more about the latest Phoenix area weather forecast and conditions with Most Accurate Forecast from ABC15.