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

High pressure is keeping weather over the Portland metro area dry and clear with cold overnight temperatures. The cold ...

The National Weather Service issued a cold weather advisory through 10 a.m. Sunday for the Portland metro area.

Portland and much of western Oregon can expect a chilly and sunny Saturday, followed by another night of frigid temperatures. The National Weather Service in Portland issued a cold weather advisory ...

Where is the rain? As of today, Saturday, January 25, Portland is almost 2 inches below average for this time of year.

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.

The National Weather Service is predicting another night of freezing nighttime temperatures on Sunday, warning Portland and Vancouver area residents to bundle up or stay indoors. Severe weather ...

Winter weather is expected in Maine on Sunday, with several inches of snow set to be followed by frigid temperatures as the week goes on. Forecasters expect snow to accumulate Sunday afternoon into ...

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 ...

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.