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

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

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

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 ...

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 ...

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 ...

The weather balloon data from early today courtesy of the Shreveport National Weather Service and plotted on a skew-t/log-p diagram by Unisys Weather shows a forecast challenge that is common for this ...

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