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

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

The National Weather Service has simplified some of its winter weather alerts for Wind Chill and Extreme Cold Warnings.

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

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

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 last week of January ...

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

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

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 last week of January — but ...

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 ...

Winter weather is expected in Maine early next week, followed by frigid temperatures. Forecasters expect snow to accumulate Sunday afternoon into the evening. The Portland area could see anywhere from ...