One product issued by NWS for: 26 Miles WSW Vale OR
Air Stagnation Advisory
URGENT - WEATHER MESSAGE National Weather Service Boise ID 147 PM MST Tue Jan 20 2026 IDZ011>014-016-028-033-ORZ061>064-211400- /O.EXT.KBOI.AS.Y.0001.000000T0000Z-260123T1200Z/ West Central Mountains-Lower Treasure Valley-Boise Mountains- Upper Treasure Valley-Western Magic Valley-Camas Prairie-Upper Weiser River-Harney County-Baker County-Malheur County-Oregon Lower Treasure Valley- Including the cities of Warm Lake, Cambridge, Bear, Goodrich, Hill City, Venator, Corral, Nampa, Indian Valley, Nyssa, Soldier, Twin Falls, Cuprum, Baker, Burns, Boise, Glendale, Mesa, Caldwell, Ola, Blaine, Dunnean, New Princeton, Fairfield, Anderson Dam, Pine, Big Creek, Cascade, McCall, Malheur City, Ontario, Prairie, Council, Selby, Crane, Diamond, Fruitvale, and Buchanan 147 PM MST Tue Jan 20 2026 /1247 PM PST Tue Jan 20 2026/ ...AIR STAGNATION ADVISORY NOW IN EFFECT UNTIL 5 AM MST /4 AM PST/ FRIDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of south central and southwest Idaho and northeast and southeast Oregon. * WHEN...Until 5 AM MST /4 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ LC