As Arctic air blankets the eastern United States, the National Oceanic and Atmospheric Administration has released its latest ...

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 ...

The city should see the clouds clear on Saturday to sunny skies with a high near 45 degrees and light winds, according to the ...

Portland will see patchy fog pockets Thursday, according to the National Weather Service. A dense fog advisory is in effect in much of the rest of the valley including Corvallis and Eugene where ...

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

Another blast of winter weather is expected in parts of the U.S. in the coming days, including bone-chilling wind in the Northern Plains and unusual snow and ice in the Gulf ...

PORTLAND, Ore. (KOIN) — Although the National Weather Service predicts below-average ... the weather is looking dry. Northern Oregon is forecasted for below-average levels of precipitation ...

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

As we head into 2025, Oregonians, especially those of the child variety in the Willamette Valley, might be wondering ... will ...

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

It doesn't just rain in Portland — it mists, drizzles, pours and, sometimes, it ices, sleets or delivers moisture via a bomb ...

About 63 million people in the U.S. were under some kind of winter weather advisory, watch or warning on Sunday.