San Diego Heat Warning Has Been Issued

Excessive Heat Warning is in the forecast for San Diego County Monday through Thursday (July 23 - 26), due to a high pressure system in the region. The National Weather Service issued the warning anticipating that temperatures will reach the 90s and low 100s.

This will be the second major heat wave to hit San Diego County this month.  Currently, the winds that accompanied the early-July heat wave are not expected.  That may change as the high pressure system reaches the area.

The National Weather Service reminds residents to prepare for the extreme heat, by:

  • Wearing loose, light-colored clothing.
  • Staying hydrated.
  • Make use of areas with shade and air conditioning.
  • NEVER leave children or pets in parked cars.
  • Slow down: reduce, eliminate or reschedule strenuous activities until the coolest time of the day. Children, seniors and anyone with health problems should stay in the coolest available place, not necessarily indoors.
  • Dress for summer. Wear lightweight, loose fitting, light-colored clothing to reflect heat and sunlight.
  • Eat light, cool, easy-to-digest foods such as fruit or salads. If you pack food, put it in a cooler or carry an ice pack. Don't leave it sitting in the sun. Meats and dairy products can spoil quickly in hot weather.
  • Drink plenty of water (not very cold), non-alcoholic and decaffeinated fluids, even if you don't feel thirsty. If you on a fluid restrictive diet or have a problem with fluid retention, consult a physician before increasing consumption of fluids. 
  • Use air conditioners or spend time in air-conditioned locations such as malls and libraries.
  • Use portable electric fans to exhaust hot air from rooms or draw in cooler air.
  • Do not direct the flow of portable electric fans toward yourself when room temperature is hotter than 90°F. The dry blowing air will dehydrate you faster, endangering your health.
  • Minimize direct exposure to the sun. Sunburn reduces your body's ability to dissipate heat.
  • Take a cool bath or shower.
  • Do not take salt tablets unless specified by a physician.
  • Check on older, sick, or frail people who may need help responding to the heat. Each year, dozens of children and untold numbers of pets left in parked vehicles die from hyperthermia.  Keep your children, disabled adults, and pets safe during tumultuous heat waves.
  • Don't leave valuable electronic equipment, such as cell phones and gps units, sitting in hot cars.
  • Make sure rooms are well vented if you are using volatile chemicals.

The Center for Disease Control has provided these Warning Signs and Symptoms of Heat-Related Illness:

Heat Stroke

    • High body temperature (103°F or higher)
    • Hot, red, dry, or damp skin
    • Fast, strong pulse
    • Headache
    • Dizziness
    • Nausea
    • Confusion
    • Losing consciousness (passing out)
    • Call 911 right away-heat stroke is a medical emergency
    • Move the person to a cooler place
    • Help lower the person’s temperature with cool cloths or a cool bath
    • Do not give the person anything to drink

Heat Exhaustion

    • Heavy sweating
    • Cold, pale, and clammy skin
    • Fast, weak pulse
    • Nausea or vomiting
    • Muscle cramps
    • Tiredness or weakness
    • Dizziness
    • Headache
    • Fainting (passing out)
    • Move to a cool place
    • Loosen your clothes
    • Put cool, wet cloths on your body or take a cool bath
    • Sip water
  • Get medical help right away if:
    • You are throwing up
    • Your symptoms get worse
    • Your symptoms last longer than 1 hour

Heat Cramps

    • Heavy sweating during intense exercise
    • Muscle pain or spasms
    • Stop physical activity and move to a cool place
    • Drink water or a sports drink
    • Wait for cramps to go away before you do any more physical activity
  • Get medical help right away if:
    • Cramps last longer than 1 hour
    • You’re on a low-sodium diet
    • You have heart problems


    • Painful, red, and warm skin
    • Blisters on the skin
    • Stay out of the sun until your sunburn heals
    • Put cool cloths on sunburned areas or take a cool bath
    • Put moisturizing lotion on sunburned areas
    • Do not break blisters

Heat Rash

    • Red clusters of small blisters that look like pimples on the skin (usually on the neck, chest, groin, or in elbow creases)
    • Stay in a cool, dry place
    • Keep the rash dry
    • Use powder (like baby powder) to soothe the rash
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