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 ...

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

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

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

A long stretch of humid heat followed by intense thunderstorms is a weather pattern historically seen mostly in and around ...

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.

LANSING, Mich (WLNS) — Michiganders are used to the gray, cloudy skies of winter — but do you know why it stays this way for so long? It is a phenomenon called an inversion. Most of January had a ...