Oregon’s temperature inversion continues as stagnant air, fog, and chilly temperatures remain across much of the Pacific ...

High pressure in place will contribute to dry, clear skies in the week ahead, while also creating a temperature inversion.

PORTLAND, Ore. (KOIN) – Have you noticed how cold it has been the last few mornings? How about the fog that’s been preventing the morning sunrise from gracing the picturesque sky of Portland? This was ...

Normally, as you go up into the atmosphere, temperature decreases with height. But this is not always the case. The atmosphere is made up of many different layers that have different characteristics.

There can be long stretches throughout the year, especially during the winter, when it doesn't seem like the clouds want to break up. The lack of sunshine can come from what meteorologists call a ...

Expect little to no rain as strong high pressure dominates our weather pattern for the next week or two. Day-to-day conditions are likely going to be very similar -- We’ll start out with some areas of ...