A heatwave warning has been issued in San Diego county.

San Diego, CA–Residents are advised to take precautions as high temperatures hit San Diego county beginning Monday in the desert areas, the National Weather Service reports.

The National Weather Service issued a warning for county deserts starting Monday and continuing through Friday. Temperatures are predicted to range from 112 to 120 degrees in those areas including the community of Borrego Springs. Forecasters also issued an excessive heat watch for the mountains and valleys, with the hottest temperatures expected Tuesday through Thursday.

Residents in east county and in the community of Borrego Springs are advised to stay cool, and to avoid all outdoor activities to prevent heat illnesses. Older adults, young children and individuals with chronic medical conditions should stay in an air-condition home.  

The Borrego Springs County Library will set up a Cool Zone for residents without air-conditioning in their homes. Residents who enter a cool zone must wear a facial covering inside. This is in adherence to guidance from the California Department of Public Health.

An extremely high body temperature (103 or higher), dizziness, nausea, confusion, and headache are signs of heatstroke or exhaustion. If someone shows these signs, call 9-1-1 and begin cooling the individual by:

Moving them to a shaded area

Spraying with cool water and fanning them

Placing them in a cool shower if they are alert

Monitoring the body temperature and continue cooling efforts

Do not give the victim fluids to drink

For more information on extreme heat, visit the Centers for Disease Control and Prevention. For more information on the Cool Zones program as well as tips to stay cool at home, visit www.coolzones.org.