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

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 ...

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

Final night of Treasure Valley inversion before Friday cold front ends persistent pattern. Sunny weekend ahead with ...

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.

For those hoping to get relief from the inversion, you’ll have to wait until at least early next week, according to the ...

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

For over a week, an inversion has trapped pollutants in the Salt Lake Valley. Finally, meteorologists say clean air is coming ...

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

It has been a split screen week in Central Oregon — with sunny skies and warm weather at Mount Bachelor, while Bend and other ...

The bottom line? Our stubborn inversion setup will remain in place to start out the workweek with our air quality improved ...