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 ...

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

Like most of Idaho, Boise is kicking off February with unseasonably warm weather. According to the National Weather Service, ...

Residents awoke to a dense layer of fog blanketing the Treasure Valley on Thursday. Experts say a weather event known as an inversion is to blame for the misty morning — and it’s not going away ...

Treasure Valley inversion finally breaking as drier air erodes low clouds. Sunny weekend ahead with temperatures climbing to ...

Dense fog developed overnight Wednesday, stuck around Thursday morning and is expected to redevelop into Friday, leading to low visibility for the late-week morning commutes. In some spots, visibility ...

A persistent weather inversion in southern Idaho significantly curtails solar power output ...

Photos from below and above Inversion in the Treasure Valley.