Active Weather Alerts
Air Stagnation Advisory
Issued: 1:07 AM Jan. 17, 2026 – National Weather Service
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST TUESDAY... * WHAT...Stagnant conditions will have potential to trap pollutants near the ground with deteriorated air quality. * WHERE...Wauconda, Omak, Holden Village, Nespelem, Plain, Republic, Metaline Falls, Deer Park, Disautel Pass, Northport, Tiger, Winthrop, Mazama, Okanogan, Oroville, Chesaw Road, Loup Loup Pass, Stevens Pass, Twisp, Sherman Pass, Cashmere, Number 2 Canyon, Ione, Pangborn Airport, Tonasket, Boulder Creek Road, Highway 20 Wauconda Summit, Newport, Bridgeport, Conconully, Fruitland, Leavenworth, Flowery Trail Road, Brewster, Springdale-Hunters Road, Chewelah, Kettle Falls, Orin-Rice Road, Stehekin, Wenatchee, Colville, Chelan, Methow, Number 1 Canyon, Inchelium, Entiat, and Metaline. * WHEN...Until 4 PM PST Tuesday. * IMPACTS...Periods of air stagnation can lead to the buildup of pollutants near the surface. PRECAUTIONARY/PREPAREDNESS ACTIONS... Buildup of fine pollution particles can be harmful to those sensitive to air pollution including people with lung and heart problems, people with diabetes, children and the elderly. &&
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