Extreme heat warning affecting San Diego County Deserts from Tuesday to Thursday
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At 12:09 a.m. on Monday, the NWS San Diego CA issued an extreme heat warning valid from Tuesday 10 a.m. until Thursday 8 p.m. for San Diego County Deserts.
The NWS informs, "Dangerously hot conditions with high temperatures up to 117 degrees expected."
"Heat related illnesses increase significantly during extreme heat events," explains the NWS.
This warning is in effect until Thursday at 8 p.m.
Tips from the NWS for staying safe during a heat wave
- Consume plenty of fluids to stay hydrated.
- Find cool shelter: Stay in an air-conditioned room.
- Check on others: Stay out of the sun, and make sure to check up on relatives and neighbors.
- Prioritize child and pet safety: Be vigilant about never leaving young children and pets in vehicles without supervision, especially during periods of intense heat, as car interiors can quickly become extremely hot.
- Take extra precautions outdoors: If you work or spend time outside, be sure to take additional safety measures.
- Time your activities wisely: When possible, reschedule strenuous activities to early morning or evening.
- Familiarize yourself with warning signs: Know the symptoms of heat exhaustion and heat stroke.
- Dress appropriately: Wear lightweight, loose-fitting clothing to stay comfortable.
To minimize risks during outdoor work, the Occupational Safety and Health Administration (OSHA) advises incorporating frequent rest breaks in shaded or air-conditioned areas. If someone experiences heat-related symptoms, promptly relocate them to a cool and shaded spot. In case of an emergency, dial 911.
Source: The National Weather Service
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This story was originally published July 6, 2026 at 12:16 AM.