Hazard Report Provided By forecast.weather.gov

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
1042 AM PST Sat Jan 17 2026

WAZ037-038-041-043-047>049-181900-
/O.CON.KOTX.AS.Y.0001.000000T0000Z-260121T0000Z/
Northeast Mountains-Okanogan Highlands-Wenatchee Area-Okanogan
Valley-Central Chelan County-Western Chelan County-Western
Okanogan County-
Including the cities of Tiger, Stehekin, Mazama, Cashmere, Chesaw
Road, Bridgeport, Omak, Disautel Pass, Methow, Okanogan,
Oroville, Republic, Brewster, Orin-Rice Road, Fruitland, Highway
20 Wauconda Summit, Number 2 Canyon, Ione, Wauconda, Number
1 Canyon, Inchelium, Holden Village, Conconully, Winthrop,
Nespelem, Twisp, Stevens Pass, Wenatchee, Springdale-Hunters
Road, Plain, Flowery Trail Road, Boulder Creek Road, Chewelah,
Sherman Pass, Leavenworth, Metaline, Kettle Falls, Tonasket,
Chelan, Northport, Pangborn Airport, Metaline Falls, Colville,
Newport, Entiat, Deer Park, and Loup Loup Pass
1042 AM PST Sat Jan 17 2026

...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...Tiger, Stehekin, Mazama, Cashmere, Chesaw Road,
  Bridgeport, Omak, Disautel Pass, Methow, Okanogan, Oroville,
  Republic, Brewster, Orin-Rice Road, Fruitland, Highway 20 Wauconda
  Summit, Number 2 Canyon, Ione, Wauconda, Number 1 Canyon,
  Inchelium, Holden Village, Conconully, Winthrop, Nespelem, Twisp,
  Stevens Pass, Wenatchee, Springdale-Hunters Road, Plain, Flowery
  Trail Road, Boulder Creek Road, Chewelah, Sherman Pass,
  Leavenworth, Metaline, Kettle Falls, Tonasket, Chelan, Northport,
  Pangborn Airport, Metaline Falls, Colville, Newport, Entiat, Deer
  Park, and Loup Loup Pass.

* 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.

&&

$$

OTX

Hazard Report Provided By forecast.weather.gov