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An extreme heat watch was issued by the NWS San Diego CA on Friday at 10:31 a.m. valid from Monday 10 a.m. until Friday 8 p.m. The watch is for San Diego County Coastal Areas, San Bernardino and Riverside County Valleys-The Inland Empire, San Diego County Inland Valleys, Orange County Coastal and Orange County Inland.
“Dangerously hot conditions with temperatures of 85 to 90 degrees near the coast, up to 105 inland,” can be expected according to the NWS. “Slightly cooler this weekend. High temperatures next week will be 20 to potentially 30 degrees above normal for this time of year, where record breaking heat is likely.”
“Early time of year and prolonged nature of this heat event will lead to increased risk of heat illness, especially for vulnerable populations and those without cooling systems,” explains the NWS.
This watch is in effect until Mar. 20 at 8 p.m.
Ways to stay safe in the heat according to the NWS Consume plenty of fluids to stay hydrated.Stay in an air-conditioned room.Stay out of the sun, and check up on relatives and neighbors.Protect your little ones and furry friends: Never leave young children and pets alone in vehicles, especially during hot weather when car interiors can become dangerously hot in a matter of minutes.Exercise caution outdoors: If you work or spend time outside, take additional safety measures.Select the ideal time: If possible, move strenuous activities to early morning or evening for more favorable conditions.Familiarize yourself with warning signs: Know the 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 March 13, 2026 at 10:34 AM.