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

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

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.

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.

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

The weekend is ending with slightly warmer temperatures as the inversion continues through Monday. FOX 13 Meteorologist Nate ...