The National Weather Service has issued an Excessive Heat Advisory for San Diego County Mountains and Valleys effective until Sunday Evening, 8/29. Hot conditions with high temperatures of upE280AFto 103 degrees may be reached. Visit theE280AFNationalE280AFWeather Service E280AFfor more information updates and a map. * Extreme heat increases the risk for heat-related illnesses and can affect those working or participating in outdoor activities. * Drink plenty of fluids, stay in an air-conditioned room if one is available, stay out of the sun and check up on relatives and neighbors by telephone, video call or in-person, while also following social distancing recommendations to prevent the spread of COVID-19. * B7Young children and pets should never be left unattended in vehicles at any time. * Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. * Know the signs and symptoms of emergencies like heat exhaustion and heatstroke, visit:E280AFwww. sandiegocounty. gov/hhsa/programs/phs/extreme_heat . Several County facilities will be open as Cool Zones. For location information, hours of operation,E280AFand tips to beat the heat, visit:E280AFwww. coolzones. org .