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

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

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.

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

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 ...

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 ...

Boise’s location in a valley often causes it to experience inversions, but the current one has been unusually long. The inversion even caused Treasure Valley residents to miss out on the beauty of ...