NC Heat Health Data and Reports

Data: Current and Future Projected Impacts of Heat in NC

Review historic data on extreme heat events and days, heat-related illnesses and more.

Find heat data by county

Fact sheet: Understanding counts and rates in our heat health data

Heat-Related Illness Surveillance Reports

We track heat-related illness from May 1 to Sept. 30 each year, using data from NC DETECT.

2026 Weekly NC Heat-Related Illness Report

Statewide Key Messages

The average weekly rate of heat-related illness (HRI) emergency department (ED) visits this season to date is 3 per 100,000 population.

This week (July 12-18, 2026):

  • There were 530 HRI ED visits (0.5% of total ED visits), with a rate of 4.9 per 100,000 population
  • The rate was highest among males aged 25-44 years (10 per 100,000 population) 
  • The rate of HRI ED visits was highest in the Sandhills (6.6 per 100,000 population), (Figure 2; Region 7)
  • The most frequent heat related diagnosis code was heat exhaustion (n = 171; 58.4%)
  • The maximum daily heat index ranged from 86 to 93.6°F at Raleigh-Durham International Airport
  • There were 2 days when the minimum temperature was above 70°F.
 

The report shows that extreme heat is becoming a bigger health risk. Staying cool, drinking water, taking breaks and checking on others can help prevent heat-related illness.

Read the full report: NC Heat-Related Illness Report July 12-18, 2026

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