Moderate Expected Likely Heat Advisory Heat Advisory issued August 22 at 1:10PM PDT until August 25 at 10:00AM PDT by NWS San Diego CA Aug 22, 1:10 PM → Aug 25, 10:00 AM WHAT: Temperatures 90 to 97 for Inland Orange County, 90 to 102for the San Diego County Valleys, 98 to 106 for the Inland Empireand 89 to 100 in the mountains. Temperatures increase another fewdegrees into the middle and end of next week, making for aprolonged and dangerous stretch of heat. WHERE: Orange County Inland Areas, Riverside County Mountains,San Bernardino and Riverside County Valleys-The Inland Empire, SanDiego County Mountains, San Diego County Valleys, and Santa AnaMountains and Foothills. WHEN: For the Heat Advisory, until 10 AM PDT Tuesday. For theExtreme Heat Watch, from Tuesday morning through Friday evening. IMPACTS: Heat related illnesses increase significantly duringextreme heat events. Hot temperatures may cause heat illnesses. ADDITIONAL DETAILS: Low temperatures 5 to 10 degrees above normalwill limit relief from the heat. Increasing temperatures into themiddle of next week will increase the threat of heat-relatedillness across populations. + Read More Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Updated: Aug 22, 5:24 PM Source: NWS Alert