A Heat Advisory starts at 11 a.m. Friday for the Seattle Metro area through Bellingham, Chehalis Valley, and Kitsap County, and will drag on through Tuesday.

Heat Advisory extended in Bay Area through Saturday, with temperatures in the 80s to 100s; residents urged to stay cool and hydrated.

The advisory begins at noon Friday and remains in effect through 9 a.m. Saturday, with highs between 99 and 102 degrees expected both days. Overnight lows will stay in the upper 60s. The alert covers the greater Reno-Carson City-Minden area and Mineral and southern Lyon counties.

Temperatures are expected to climb into the upper 80s and lower 90s under sunny skies, with only a slight breeze offering minimal relief. Parts of western Washington are currently under a National Weather Service Heat Advisory or an Extreme Heat Warning.

At 2:27 a.m. on Saturday, the NWS Reno NV issued a heat advisory in effect until Sunday at 9 a.m. for Lassen-Eastern Plumas-Eastern Sierra counties.

On Friday at 4:52 a.m. the National Weather Service issued a heat advisory valid from 11 a.m. until Monday 5 a.m. for North Oregon Coast Range and Central Oregon Coast Range.

The National Weather Service has issued an Extreme Heat Watch for much of the Portland metro area and an Excessive Heat Warning for southwest Oregon, prompting the City of Beaverton to open an after-hours cooling center and the office of emergency management to recommend several ways to stay cool.

NWS issues Heat Advisory for parts of Bay Area and Central Coast, warning against heat-related illnesses and advising caution with pets and outdoor activities.