Posted August 12, 2023 | 11:37 AM

Hillsborough County Residents Urged to Exercise Caution During Excessive Heat Warning

This is the first excessive heat warning issued for the entire county

Hillsborough County, Fla. (Aug. 12, 2023) - Hillsborough County is under an excessive heat warning today. The National Weather Service issued the excessive heat warning for the entire county effective today, Aug. 12, from 11 a.m. until 7 p.m. Residents are encouraged to stay indoors, stay hydrated, and check on vulnerable neighbors and loved ones.

The excessive heat warning means that dangerously hot and humid conditions are expected with a heat index up to 115 degrees throughout Hillsborough County. The heat index is what the temperature feels like.

Hot temperatures and high humidity may cause heat illnesses to occur. Without taking precautions, heat-related illnesses or even death are possible. Residents can visit Hillsborough County's Extreme Heat Information to learn about where and how to stay cool in Hillsborough County, how to stay safe during extreme heat, and more on heat-related illnesses.

People without access to adequate air conditioning can take refuge in public places, including libraries or shopping malls. Residents also can refill water bottles in County parks, libraries, or government buildings across the county.

Residents who work or spend time outside during the hottest part of the day are encouraged to take precautions. When possible, reschedule strenuous activities to the evening or early the next morning. Know the signs and symptoms of heat exhaustion and heat stroke.

To reduce risks during outdoor work, the Occupational Safety and Health Administration recommends taking frequent rest breaks in shaded or air-conditioned environments. Anyone suffering from a heat-related illness should be moved to a cool, shaded location. Heat stroke is an emergency. Call 911 for immediate care.

Hillsborough County Homeless and Community Services is working with private-sector organizations to assist the vulnerable homeless population.

Heat-related illnesses and deaths are largely preventable with proper planning, education, and action. Visit for information about how excessive heat affects your health and ways to reduce the impacts of extreme heat.

Get Connected. Stay Alert.

For more information on any other potential emergency in the county, visit and sign up for the HCFL Alert system. Additionally, you can follow Hillsborough County on social media at Facebook; X, formerly known as Twitter; and Nextdoor for updates. Residents without digital access are encouraged to call (813) 272-5900, the County's main information line.



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