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

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

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 Treasure Valley has been dealing with an inversion for more than a week, but if you gain enough elevation, you can bask ...

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

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

Low visibility could make for slow travel during peak morning hours.

Photos from below and above Inversion in the Treasure Valley.