Portland will see light showers throughout the day, and possible thunderstorms after about 4 p.m. The high temp will reach ...

An extremely wet system of weather that’s brought heavy snow to Oregon’s Cascade Range could bring flooding to the Willamette Valley and Coastal areas late this weekend and into next week.

The air aloft is warmer than the air on the surface, which traps all the particulate near the surface, causing decreased air ...

From Sunday evening to Monday evening PDX’s rain forecast total is just over a half- inch of rain, while Salem is expected to total three-quarters of an inch of measurable rain. Up and down the ...

Higher pressure is usually associated with sunny weather, lower pressure with stormy weather. The temperature to which the air needs to be cooled for moisture to condense, for example, as dew.