Weather Alerts For Caldwell, ID
Air Stagnation Advisory
-URGENT - WEATHER MESSAGE National Weather Service Boise ID 204 PM MST Tue Feb 3 2026 Lower Treasure Valley-Upper Treasure Valley-Western Magic Valley- Upper Weiser River-Baker County-Malheur County-Oregon Lower Treasure Valley- Including the cities of Goodrich, Twin Falls, Malheur City, Caldwell, Nampa, Baker, Council, Indian Valley, Fruitvale, Ontario, Mesa, Nyssa, Cambridge, Boise, and Glendale 204 PM MST Tue Feb 3 2026 /104 PM PST Tue Feb 3 2026/ ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ MONDAY... * 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/ Monday. * 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. &&