A Heat Advisory has been issued for the Orange County Inland Areas from 10 AM Thursday, August 21 through 8 PM Friday, August 22.

What to Expect:

• Temperatures up to 95°F 
• Hottest conditions expected Thursday and Friday

Impacts

Hot temperatures may increase the risk of heat-related illnesses, especially for vulnerable populations such as children, older adults, and those working outdoors.

Precautionary/Preparedness Actions:

• Schedule outdoor activities and workloads with the heat in mind.

• Be mindful of heat impacts on vulnerable populations.

• Follow internal and external heat protocols.

• Monitor official updates as conditions may change.

• Stay safe, stay hydrated, and take necessary precautions.

Heat Alert Checklist/Criteria

Below are the three phases of readiness used to determine the need for opening a cooling center. Please note that a cooling center may be triggered at lower temperatures if deemed necessary. In many cases, the public is also directed to alternative activities and locations to help “beat the heat.”

• Weather Ready: 100°F or more for 3 days or more in 5 cities or more

• Weather Alert: 105°F or more for 3 days or more in 5 cities or more

• Weather Warning: 105°F or more for 3 days or more in 5 cities or more OR the heat index is over 110°F

Additional Resources

For more information on heat safety and general emergency preparedness, please visit:

• National Weather Service (NOAA) Heat Safety Tips

• City of Fullerton Fire Department – Emergency Preparedness