Winter Weather Advisory issued January 1 at 5:11AM PST until January 1 at 4:00PM PST by NWS Pendleton OR
Issue date: 2026-01-01T13:11+00:00
* WHAT...Freezing rain expected. Total ice accumulations around a light glaze. * WHERE...Kittitas Valley, Yakima Valley, Lower Columbia Basin of Washington, and Foothills of the Blue Mountains of Washington. * WHEN...From 10 AM this morning to 4 PM PST this afternoon. * IMPACTS...Very slippery sidewalks, roads and bridges are possible. The hazardous conditions could impact the Thursday evening commute. Slippery conditions could occur on portions of I-82, I-90, SR 14 and SR 125.
Winter Weather Advisory issued January 1 at 5:11AM PST until January 2 at 4:00AM PST by NWS Pendleton OR
Issue date: 2026-01-01T13:11+00:00
* WHAT...Mixed precipitation expected. Total ice accumulations of a light glaze to one-tenth of an inch. * WHERE...Upper and Lower Slopes of the Eastern Washington Cascades Crest. * WHEN...Until 4 AM PST Friday. * IMPACTS...Plan on slippery road conditions.
Air Stagnation Advisory issued January 1 at 12:41AM PST until January 1 at 12:00PM PST by NWS Pendleton OR
Issue date: 2026-01-01T08:41+00:00
* WHAT...Poor air quality will continue. This is due to an inversion and stagnant air conditions near the surface that will continue to trap pollutants. * WHERE...Foothills of the Blue Mountains of Oregon and Washington, Lower Columbia Basin of Oregon, North Central Oregon, Central Oregon, Kittitas Valley, and Yakima Valley. * WHEN...Until noon PST today. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.
Air Stagnation Advisory issued December 31 at 2:52PM PST until January 1 at 12:00PM PST by NWS Pendleton OR
Issue date: 2025-12-31T22:52+00:00
* WHAT...Stagnant conditions will have the potential to trap pollutants near the ground and deteriorate air quality. * WHERE...Foothills of the Blue Mountains of Oregon and Washington, Lower Columbia Basin of Oregon and Washington, North Central Oregon, Central Oregon, Kittitas Valley, and Yakima Valley. * WHEN...Until noon PST Thursday. * IMPACTS...Periods of air stagnation can lead to the buildup of pollutants near the surface, potentially leading to poor air quality.
