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An extreme heat warning was issued by the NWS San Diego CA on Tuesday at 1:56 a.m. valid from Thursday 10 a.m. until Sunday 8 p.m. for San Diego County Mountains.
The NWS informs, “Dangerously hot conditions with high temperatures in the mid 90s to 105 expected.”
“Heat related illnesses increase significantly during extreme heat events,” explains the NWS.
This warning is in effect until Sunday at 8 p.m.
Tips from the NWS for staying safe during a heat wave Stay hydrated: Remember to drink plenty of fluids.Seek cool shelter: Opt for an air-conditioned room to stay comfortable.Check on others: Stay out of the sun, and make sure to check up on relatives and neighbors.Ensure child and pet safety: Take every precaution to never leave young children and pets alone in vehicles, especially in extreme heat when car interiors can quickly become hazardous.Take extra precautions outdoors: If you work or spend time outside, be sure to take additional safety measures.Optimal Timing: When possible, reschedule strenuous activities to early morning or evening.Be alert to warning signs: Educate yourself about the signs and symptoms of heat exhaustion and heat stroke.Stay cool with clothing: Select lightweight and loose-fitting outfits for enhanced comfort.
To reduce risk during outdoor work, the Occupational Safety and Health Administration (OSHA) recommends scheduling frequent rest breaks in shaded or air-conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. In an emergency, call 911.
Source: The National Weather Service
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This story was originally published July 28, 2026 at 2:00 AM.