An excessive heat warning has been issued ahead of the expected heatwave

An excessive heat warning has been issued ahead of the expected heatwave

Woman drinking a bottle of water in the sun.

SAN DIEGO — An excessive heat warning was issued for parts of San Diego County on Saturday as a heat wave is expected to spread across the region early next week.

The warning will be in effect from 10 a.m. Monday until 8 p.m. Tuesday for the canyon and desert communities of San Diego, according to the National Weather Service (NWS).

Areas affected include Escondido, El Cajon, San Marcos, Santee, Poway, Borrego Springs and Ocotillo Wells.

According to weather officials, dangerously hot conditions are expected in the warning area during this time frame. These temperatures are expected to be approximately 5 to 10 degrees above average, with temperatures in some areas reaching 15 degrees above normal.

For communities affected by the warning west of the mountains, these highs are expected to range from 95 to 107 degrees. Meanwhile, high temperatures in the desert are expected to range from 100 to 116 degrees.

High temperature map for Monday, August 28.  (Courtesy of National Weather Service)
High temperature map for Tuesday, August 29.  (Courtesy of National Weather Service)

A heat warning was also issued for communities in the San Diego Mountains, including Julian, Alpine and Pine Valley. Temperatures in these areas are expected to reach highs ranging from the 90s to low triple digits, according to the National Weather Service.

Issuing heat warnings in anticipation of high temperatures means that conditions could be dangerous, causing serious consequences to one's health if precautions are not taken.

To prevent heat-related illness, the NWS encourages residents to follow the following guidelines:

  • Drink plenty of fluids.
  • Stay away from the sun as much as possible.
  • Stay inside an air-conditioned room.
  • Wear light and loose clothing.
  • Check relatives and neighbors, especially those susceptible to heat-related illnesses.
  • Take extra precautions if you work or spend time outside.
  • When possible, reschedule strenuous activities for the early morning or evening.

Young children and pets should never be left unattended in vehicles under any circumstances during a heatwave.

It's also important to know the signs and symptoms of heat exhaustion and heat stroke, including dizziness, thirst, heavy sweating, nausea, weakness and confusion.

(National Weather Service)
(Courtesy of National Weather Service)

A slight cooling trend is expected to begin Wednesday, bringing temperatures down for the rest of the week, according to the NWS.

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