The Coordinated Federal Response to Extreme Heat Act of 2025 establishes a national system to better prepare for and respond to dangerous heat events that threaten public health. The bill creates two main components: the National Integrated Heat Health Information System (NIHHIS) within the National Oceanic and Atmospheric Administration to collect and share heat-related data and forecasts, and an interagency committee bringing together representatives from 16 federal departments to coordinate a unified government response to extreme heat. The interagency committee must develop a comprehensive 5-year strategic plan within two years that identifies gaps in federal heat preparedness, improves data sharing on heat-related illnesses and deaths, and coordinates research and services across agencies. The bill authorizes $5 million annually from 2025 through 2029 to establish and operate these systems, with particular attention to serving vulnerable populations including tribes and low-income communities. By centralizing heat health information and coordination, the legislation aims to reduce the serious health risks extreme heat poses to Americans.
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