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

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 top of Bogus Basin Road, you will see the temperature rise instead of fall ...

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

DECATUR, Ill. (WAND) - A weather inversion is a phenomenon in which the typical temperature pattern of the atmosphere is reversed. Typically, air temperature decreases as altitude increases, but ...

Anyone who traveled up to Mount Bachelor and back to Bend over the weekend may have asked: what’s up with the weird weather?

Rare rime ice and ground-level ice crystals form across Boise as deep temperature inversion creates perfect conditions for dual winter phenomena.

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