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

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

The bottom line? High pressure ridge continues to build with declining air quality in northern valleys but rebounding temperatures in central and southern Utah.

Drive up to Bogus Basin right now and look out over the Treasure Valley; you’ll see a haze hanging over Boise and its surrounding cities. But for those below the haze … the view is not so interesting.

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 ...

Thanksgiving is a time for gratitude. But in the Treasure Valley, it’s also a time for annoyance: It marks, unofficially and approximately, the start of inversion season. And indeed, inversion season ...

Inversions are still in place across the northern valleys, leading to more haze, poor air quality, & areas of morning fog.

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

The bottom line? A big ridge of high pressure has set up shop across the western U.S. leading to inversion haze, bad air ...