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08/21/2025 10:00 AM PDT

Heat Advisory Issued Today for Santa Ana Mountains and Foothills extending into San Diego County

The National Weather Service has issued a Heat Advisory for temperatures over 90 degrees in the Santa Ana Mountains and Foothills extending into San Diego County beginning at 10:00 a.m. today.

  • Stay inside or under shaded areas.
  • Drink lots of water.
  • If you feel sick from the heat, call 9-1-1.
  • Never leave young children or pets alone in vehicles. 

For a map with updated information visit:  AlertSanDiego.org

Find a cool place to go and tips to beat the heat at www.coolzones.org.

Visit the San Diego National Weather Service for more information and a map.

Follow @NWSSanDiego for updates.