Heat Advisory issued August 26 at 9:31PM PDT until August 28 at 8:00PM PDT by NWS San Diego CA
Issue date: 2026-08-27T04:31+00:00
* WHAT...High temperatures in the mid 90s to low 100s expected. * WHERE...Riverside County Mountains. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Low temperatures 10 to 15 degrees above normal will limit relief from the heat. Rising temperatures through Friday will increase the threat of heat-related illness across populations.
Air Quality Alert issued August 24 at 1:34PM PDT by NWS San Diego CA
Issue date: 2026-08-24T20:34+00:00
* WHAT...The South Coast AQMD has issued an air quality alert due to harmful levels of ozone pollution. Visit https://www.aqmd.gov/alertinfo to check current and forecasted air quality levels. * WHERE...in the the South Coast Air Basin and Coachella Valley. Levels of ozone pollution can vary by time and location depending on emissions and air pollution transport. * WHEN...from 1 PM Monday to 8 PM Friday. The highest ozone levels typically occur in the afternoon and early-evening hours. * IMPACTS... Ozone air pollution can cause serious health problems, including trouble breathing, asthma attacks, and lung damage. Everyone can be affected, but sensitive groups such as people with lung disease, older adults, people who are pregnant, children, and those who spend a lot of time outdoors are at greater risk.
