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Extreme Heat Watch Issued for Orange County Area
30 Sep
Summary
- An extreme heat watch is active from Friday through Wednesday.
- Temperatures could reach up to 108 degrees in inland valleys.
- NWS warns of increased heat-related illnesses during this event.

The National Weather Service has issued an extreme heat watch for the Orange County and Santa Ana Mountains region, valid from Friday at 10 a.m. until Wednesday, October 7, at 9 p.m. Dangerously hot conditions are anticipated, with temperatures ranging from around 90 degrees near the coast to an alarming 108 degrees in inland valleys. Overnight lows will also remain elevated, contributing to a prolonged heat wave expected to persist for over a week. This extended period of extreme heat carries a significant risk of heat-related illnesses, prompting advisories for public safety.
Residents are urged to take preventative measures to stay safe. Key recommendations include drinking ample water, taking frequent breaks in cool, shaded areas, and avoiding dehydrating beverages like alcohol and caffeine. Recognizing the symptoms of heat-related illness, such as nausea and dizziness, and seeking immediate medical attention if symptoms persist is crucial. Wearing light, breathable clothing and protecting the head and eyes from the sun are also advised. Information on cooling centers operated by local counties is available online for those needing to escape the heat.