Weather Alerts For New Plymouth, ID

URGENT - WEATHER MESSAGE National Weather Service Boise ID 1221 PM MST Mon Dec 29 2025 Lower Treasure Valley-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 Malheur City, Burns, Baker, Caldwell, Ontario, Fairfield, Nyssa, New Princeton, Mesa, Boise, Buchanan, Soldier, Goodrich, Hill City, Fruitvale, Selby, Indian Valley, Nampa, Venator, Dunnean, Crane, Diamond, Twin Falls, Council, Glendale, Cambridge, Blaine, and Corral 1221 PM MST Mon Dec 29 2025 /1121 AM PST Mon Dec 29 2025/ ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM MST /9 AM PST/ THURSDAY... * 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 trap pollutants in the valleys. * WHERE...Portions of south central and southwest Idaho and northeast and southeast Oregon. * WHEN...Until 10 AM MST /9 AM PST/ Thursday. * 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. &&