The National Weather Service has issued an Extreme Heat Warning for temperatures over 110 degrees in the San Diego County Valleys and Deserts, 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.