Heavy snow and high winds are forecast to impact travel on Oregon’s Cascade Mountain roads and passes from Thursday night ...

Cold weather advisory: Be Aware. A cold weather advisory is issued when seasonably cold air temperatures or wind chill values ...

The National Weather Service (NWS) had winter weather warnings in place for 11 states early on Thursday, with up to 1 foot of ...

The National Weather Service issued a cold weather advisory at 2:34 p.m. on Thursday valid from Friday 10 p.m. until Sunday ...

The long stretch of sunny and dry weather comes to an end on Thursday as clouds increase and Portland prepares for rain and potential snow.

Rain and snow is returning to Oregon this weekend, and low elevation snow and ice will become possible next week.

But since then, things have dried out. National Weather Service meteorologist Chris Burling said Friday that ...

"Light winds and limited air movement will lead to a period of stagnant air conditions," NWS said, warning of "deteriorating ...

It should be another nice day today as our atmosphere gets set up for the winter weather pattern. Highs today will be in the 40s and 50s. We’ll have a mostly sunny start, but clouds will increase ...

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

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

Forecasters are warning that air pollution may become trapped and adversely affect humans, due to weather conditions in the U.S.