Extreme Heat Information

While Hillsborough County is known for year-round sunshine, summer can bring extreme heat, including heat advisories and extreme heat warnings.

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What is a Heat Advisory and an Excessive Heat Warning?

  • A Heat Advisory means that the heat index, or the "feels like" temperature, will be 108 degrees or greater in Hillsborough County
  • An Excessive Heat Warning means that the heat index, or the "feels like" temperature, will be 115 degrees or greater in Hillsborough County

When temperatures reach these levels and without proper precautions, heat-related illness or event death are possible.

Latest Hillsborough County Advisories

Looking for the latest Hillsborough County forecast? Visit the National Weather Service Tampa Bay for the most up-to-date weather-related information.

How to Stay Cool and Safe During Extreme Heat

Residents are reminded during heat advisories to stay indoors, stay hydrated, and check in with vulnerable neighbors and loved ones.

Heat-related illnesses and death are largely preventable with proper planning, education, and action.

Where to Go to Stay Cool in Hillsborough County

People without access to adequate air conditioning can take refuge in public places, including libraries or shopping malls.



Stay Hydrated

Residents also can refill water bottles in County parks, libraries, or government buildings across the county. See the interactive water bottle filling stations map.


Know the Signs of Heat-Related Illness

Learn the difference between heat exhaustion and heat stroke, and how to treat both conditions.

Beat the Heat

Beat the Heat Spanish

Additional Resources