Valley fog expected tonight in Treasure Valley as melting snow adds moisture. Temperature inversion strengthening with patchy ...

As the cool air sinks, the warm air rises over the top and traps the cold air below. If you travel from downtown Boise to the top of Bogus Basin Road, you will see the temperature rise instead of fall ...

While inversions are common in the Treasure Valley, this one has lasted an unusually long time. What’s going on? When will it end?

Treasure Valley inversion remains locked in place through Thursday with valley temps near 31 degrees. Brief relief possible ...

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

A rare temperature inversion has flipped Bay Area weather, warming mountain ridges while cold, foggy valleys grapple with poor air quality and low visibility.

As a cold front sweeps through Northeastern Oregon, it brings with it brisk northwest winds that could disrupt the persistent low clouds blanketing the region's valleys. This article explores the ...