UPDATE: Extreme heat watch in place for Southern California from Sunday to Tuesday

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The NWS San Diego CA issued an updated extreme heat watch at 3:42 a.m. on Friday valid from Sunday 10 a.m. until Tuesday 8 p.m. The watch is for Coachella Valley, San Diego County Deserts and San Gorgonio Pass Near Banning.

"Dangerously hot conditions with temperatures up to 107 degrees possible," explains the NWS. "Hottest conditions expected on Monday."

"Heat related illnesses increase significantly during extreme heat events," explains the NWS.

This watch is in effect until Tuesday at 8 p.m.

Ways to stay safe in the heat according to the NWS

• Stay hydrated: Drink plenty of fluids.
• Stay in an air-conditioned room.
• Stay out of the sun, and check up on relatives and neighbors.
• Child and pet safety: Do not leave young children and pets unattended in vehicles when car interiors can reach lethal temperatures in a matter of minutes.
• Be mindful outdoors: Take extra precautions when working or spending time outside.
• Time your activities wisely: If possible, reschedule strenuous activities to early morning or evening when the heat is less intense.
• Know the red flags: Understand the signs and symptoms of heat exhaustion and heat stroke.
• Dress for comfort: Wear lightweight and loose-fitting clothing to stay cool.

For a safer outdoor work environment, follow the Occupational Safety and Health Administration (OSHA)'s guidance by scheduling regular rest breaks in shaded or air-conditioned places. If anyone shows signs of heat illness, promptly move them to a cool, shaded area. In an emergency, call 911.

Source: The National Weather Service

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This story was originally published May 7, 2026 at 1:46 PM.