Weather Alerts For Riverside, OR

URGENT - WEATHER MESSAGE National Weather Service Boise ID 258 AM MST Tue Dec 30 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 Corral, Malheur City, Hill City, Burns, Dunnean, Buchanan, Baker, Caldwell, Blaine, Boise, Fruitvale, Nyssa, Cambridge, Fairfield, New Princeton, Mesa, Crane, Twin Falls, Venator, Council, Indian Valley, Selby, Glendale, Nampa, Ontario, Goodrich, Diamond, and Soldier 258 AM MST Tue Dec 30 2025 /158 AM PST Tue Dec 30 2025/ ...AIR STAGNATION ADVISORY NOW IN EFFECT UNTIL 5 AM MST /4 AM PST/ SATURDAY... * 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/ Saturday. * 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. &&