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

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 ...

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

An Arctic blast of bitter cold is set to hit the eastern half of the country this week as Utah deals with the worst air quality in the U.S.

Treasure Valley inversion strengthens as stratus deck expands across region. Valley temperatures stuck in 30s while mountains ...

Anyone who traveled up to Mount Bachelor and back to Bend over the weekend may have asked: what’s up with the weird weather?

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