A dangerous heat wave peaking Monday, Aug. 25, will push afternoon highs into the 90s across much of the Pacific Northwest.

The agency warned that extreme heat poses a danger in the evening as well, as temperatures are expected to remain above ...

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

PIERCE COUNTY, Wash. — One man was pronounced dead, and a teen is still missing in two presumed drownings amid a western ...

The researchers quantified the heat’s effects by comparing people’s biological age to their chronological age. Biological age ...

This weekend's heat in Seattle was notable, but not extreme compared to Phoenix or Las Vegas. Discover the facts behind the ...

Though summer is waning with our last 8 p.m. sunset this week, the heat is still on. But some Western WA beaches are ...

PinPoint Alert heat continues for tomorrow with highs warming about a degree in the upper-80s and lower-90s. Late in the day, there could be some thunderstorms developing in the Cascades, which is not ...

The heat will subside after two more days, andIn Seattle and Bellevue, temperatures will be in the 80s by noon and the upper ...

Dangerous heat is impacting more than 30 million people in the West this weekend, with heat alerts in effect from Arizona to ...

An Extreme Heat Warning has been extended through tomorrow and Tuesday and will expire early Wednesday morning.

Parts of California, Oregon and Washington state will experience extreme heat at least through Tuesday, forecasters say.