The “cold weather advisory” is a new type of advisory for the National Weather Service, replacing the “wind chill advisory,” ...

The National Weather Service in Portland issued a cold weather advisory for much of the Willamette Valley and northwestern ...

Cold Weather Advisories have been put into place across the Pacific Northwest this week, but many might be unaware of the new ...

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KGW meteorologist Joe Raineri reported Sunday that Western Oregon will see overnight lows in the 20s, with the Columbia Gorge ...

PORTLAND, Ore. (KOIN) — As Arctic air blankets the eastern United States, the National Oceanic and Atmospheric Administration has released its latest weather ... of western Oregon and Washington.

Portland’s air quality is currently comparable to Los Angeles, despite the ongoing wildfires in Southern California.

Multnomah County officials issued a cold weather advisory Friday as overnight temperatures are expected to be at or below 32 degrees this weekend.

The Pacific Northwest is well known for its stormy weather from late fall through winter. But this week in 1880, 145 years ...

A surface inversion is preventing the normal mixing of air, meaning pollutants will remain trapped at lower altitudes.

PORTLAND, Ore. (KOIN) — As Arctic air blankets the eastern United States, the National Oceanic and Atmospheric Administration has released its latest weather outlook for the ... work its way into ...

Forecasters expect snow to accumulate Sunday afternoon into the evening. The Portland area could see anywhere from 4-8 inches, said Hunter Tubbs, a National Weather Service meteorologist based in Gray ...