The National Weather Service issued a heat advisory Friday that will be in effect from Sunday morning through Monday night.

Whether during the day or at night, some best practices when it comes to heat include staying hydrated and never leaving pets or children unattended in cars, the weather service said.

The Seattle-Tacoma International Airport ... it is not just the heat of the day that is concerning, but the heat sticking around through the night. With such short nights this time of year ...

SEATTLE — Western Washington ... are expected to be in the mid-60s through Thursday night. RELATED: Cooling centers: Where to escape the heat in western Washington While this heat event won ...

Overnight temperatures will "likely only cool into the low 60s for many locations" Saturday and Sunday night ... breaking heat wave saw the highest ever recorded temperatures in Seattle and ...

About 53% of the homes in Seattle now have air conditioning ... as reservoir levels drop dangerously low Heat islands don't cool off as much at night, so many add window air conditioning units ...

The Pacific Northwest is experiencing what meteorologists believe will be an unusually long heat spell for the region, stretching into the weekend. Seattle ... Tuesday night, said county ...

total at 14 Officials in Portland said they would keep cooling shelters open through Sunday night. The National Weather Service issued an excessive heat warning for both the Portland and Seattle ...