US Federal 2025-2026 Regular Session

US Federal Senate Bill SB4439

Introduced
 
Introduced
4/29/26  

Caption

Built To Last Act of 2026

Summary

The Built To Last Act of 2026 would direct the Under Secretary of Commerce for Oceans and Atmosphere to identify and support research for a consistent federal set of best available forward-looking meteorological information. That information would be intended to model future extreme weather events, other environmental trends, projections, and current observations, and could also include mesoscale meteorological information when appropriate. The bill defines extreme weather broadly to include drought, heavy precipitation, hurricanes, tornadoes, derechos, extreme heat and cold, flooding, and other severe atmospheric conditions, while also defining other environmental trends to include wildfire, coastal flooding, inland flooding, land subsidence, and rising sea levels. The bill also assigns the Director of the National Institute of Standards and Technology, in consultation with NOAA, to make the identified information available to the public and to help standards-developing organizations, model building code groups, and voluntary certification programs incorporate that information into their work. It specifically directs NIST to provide advice and technical assistance and to use the information through existing programs such as the Fire Research Center and the National Windstorm Impact Reduction Program, as well as any other authorities the Director deems appropriate. In practical terms, the bill would not directly impose new building codes or standards, but it would create a federal process for identifying climate- and weather-related data that can be used by outside organizations to update standards, model codes, and certifications. It would also require the Office of Science and Technology Policy, working with the U.S. Global Change Research Program and the Mitigation Framework Leadership Group, to designate an interagency working group to support the research needed for this effort. The measure would therefore affect federal science and standards coordination, and indirectly influence state and local building practices, resilience planning, and hazard mitigation efforts. Because there are no committee transcripts or recorded votes provided, the available context does not show formal debate or opposition. Based on the bill text, the overall sentiment appears supportive of using federal science and technical expertise to improve resilience to extreme weather and long-term environmental change. Any likely points of contention would center on the scope of federal involvement, how broadly NOAA may define extreme weather and environmental trends, and whether the bill could influence building codes and standards that are traditionally developed outside the federal government.

Impact

The bill would amend federal policy by creating a coordinated NOAA-NIST process for identifying and disseminating a federal set of forward-looking meteorological information. It would expand the role of federal science agencies in supporting standards development, model building codes, and voluntary certifications, while also establishing an interagency working group through OSTP. Although it does not directly change state statutes, it could influence state and local building codes, fire and windstorm resilience standards, and related private certification systems by supplying federally supported climate and weather data.

Sentiment

No votes or committee discussion were provided, so there is no recorded legislative debate to summarize. On its face, the bill reflects a generally positive, technocratic approach focused on resilience, preparedness, and the use of federal science to inform standards and codes. The measure appears aimed at helping communities and industries better plan for extreme weather and long-term environmental risks.

Contention

The main potential areas of contention are the breadth of the definitions for extreme weather and other environmental trends, the extent to which federal agencies should shape information used in building codes and standards, and whether the bill could be seen as expanding federal influence into areas typically handled by states, local governments, or private standards organizations. Another possible issue is implementation: the bill relies on interagency coordination and research support, which could raise questions about cost, administrative burden, and how quickly usable information can be produced.

Companion Bills

No companion bills found.

Previously Filed As

US SB306

Fire Ready Nation Act of 2025

US HB5089

Weather Act Reauthorization Act of 2025 Weather Research and Forecasting Innovation Reauthorization Act of 2025

US HB3816

Weather Research and Forecasting Innovation Reauthorization Act of 2025 National Landslide Preparedness Act Reauthorization Act of 2025 Preventing HEAT Illness and Deaths Act of 2025 Preventing Health Emergencies And Temperature-related Illness and Deaths Act of 2025 Harmful Algal Bloom and Hypoxia Research and Control Amendments Act of 2025 Weather Act Reauthorization Act of 2025

US HB4075

Fire Weather Development Act of 2025

US SB3923

Weather Research and Forecasting Innovation Reauthorization Act of 2026

US SB613

Improving Flood and Agricultural Forecasts Act of 2025

US SB590

Improving Flood and Agricultural Forecasts Act of 2025

US SB1484

FORECAST Act of 2025 Forecasting Optimization for Robust Earth Climate Analysis and S2S Tracking Act of 2025

US SB2583

NOAA Weather Radio Modernization Act

US SB1378

TAME Extreme Weather and Wildfires Act Transformational Artificial intelligence to Modernize the Economy against Extreme Weather and Wildfires Act

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