A ridge of high pressure will allow stable conditions to persist, supporting valley inversions, strong cold pools, haze, and deteriorating air quality. Valley stratus and patchy freezing fog are ...

AIR STAGNATION ADVISORY is in effect through 11 PM Monday for the Kootenai/Cabinet Region, West Glacier Region, Flathead/Mission Valleys, Lower Clark Fork Region, Missoula/Bitterroot Valleys ...

An air stagnation advisory has been issued for large portions of Idaho and Oregon, warning residents of stagnant air conditions that could trap pollution near the ground and lead to poor air ...

An updated air stagnation advisory was issued by the National Weather Service on Thursday at 2:58 p.m. in effect until Saturday at 4 a.m. for Central Douglas County, Eastern Curry County and ...

The air stagnation advisory ends Saturday evening because a low-pressure system is expected to push out the inversion, Wojcik said.

Weather Alerts Update: Oregon under an air stagnation advisory until early Wednesday evening Updated: Dec. 02, 2024, 3:58 p.m. | Published: Nov. 29, 2024, 11:03 a.m. By Advance Local Weather Alerts ...

The advisory, expected to be in effect until 4 p.m. Friday, is due to a strong high pressure system that will trap cold air and air pollutants near the surface with a blanket of warm air aloft.