09/11/2015 09:25 AM PDT

Heat Advisory Extended until 6 PM 9-11-15

The National Weather Service has extended the heat advisory for the valleys and coastal mesas of San Diego County until 6PM Friday.

Temperatures are expected to be 5-10 degrees above normal with highs in the 90s.

The County continues to operate the Cool Zones program and has designated buildings as cooling centers.

Visit http://www.countynewscenter.com/news/residents-urged-take-necessary-heat-precautions or call 2-1-1 for a complete list of cooling zone locations including hours of operation.

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