PolicyBrief
S. 1378
119th CongressApr 30th 2025
TAME Extreme Weather and Wildfires Act
AWAITING SENATE

This act directs federal agencies to integrate Artificial Intelligence into weather, water, and space weather forecasting to improve accuracy, timeliness, and response to extreme weather and wildfires.

Brian Schatz
D

Brian Schatz

Senator

HI

LEGISLATION

AI Weather Act Authorizes $311M for Forecast Upgrades—But Adds National Security Data Limits

The new TAME Extreme Weather and Wildfires Act is a major push to overhaul how the U.S. forecasts the weather, water conditions, and space weather by integrating Artificial Intelligence (AI) and machine learning. The bill’s main purpose is straightforward: make forecasts faster and more accurate to help communities prepare for hazards like severe storms and wildfires. To kick things off, the law authorizes a significant chunk of change—$311,000,000 for fiscal year 2026 alone, with further funding through 2030, showing this is a serious investment in modernizing our scientific infrastructure.

The AI Forecast Factory: What’s Being Built

Within four years, the Under Secretary is mandated to work with agencies like NASA and the Department of Energy to create massive, quality-controlled training datasets needed for these new AI systems. Think of this as the raw material for the AI’s education. The bill then gives the green light to develop and test new AI-based global, regional, and local weather models. This means the next time you check your weather app, the data powering it might be coming from a lightning-fast AI system that can process information much quicker than today’s traditional supercomputer models.

This isn't just about better rainfall predictions. The bill specifically focuses on using AI to improve wildfire readiness, which means better tools for firefighters and clearer warnings for communities in high-risk zones. It also requires the use of AI to create “ensemble forecasts”—running dozens of slightly different predictions—to give emergency managers a much clearer picture of how uncertain a weather event is. For a construction manager trying to schedule a pour or a farmer deciding when to harvest, that improved certainty is money in the bank.

Keeping the Old Guard and Partnering Up

Crucially, the bill doesn’t put all its eggs in the AI basket. It explicitly requires continued funding for traditional numerical weather prediction (NWP) models and the collection of observational data (SEC. 2). This means the government is hedging its bets, ensuring that while the AI engine is being built, the reliable, proven systems keep running. The law also pushes for new partnerships with private companies and universities, even allowing for “novel co-investment strategies” where non-federal money can support high-risk research in exchange for potentially shared intellectual property (IP) rights.

The Catch: Data Access and National Security

Here’s where things get complicated for the public and the private weather industry. The bill generally requires that operational AI models and associated data be made public and available at no cost (SEC. 2). That sounds great for everyone from independent forecasters to weather app developers. However, the law includes two major exceptions: the data can be withheld if releasing it would violate intellectual property rights (like patents or trade secrets) or, more significantly, if the Under Secretary, in consultation with the Secretary of Defense, decides it’s necessary to protect U.S. national security interests.

This national security clause is a big deal. While the goal of protecting critical U.S. technology is understandable, this provision gives the government broad authority to withhold data and models that could otherwise benefit the public and spur innovation in the commercial weather sector. For a small tech startup relying on open federal data to build a new agricultural forecasting tool, having that plug pulled based on a national security determination could halt their business overnight. It creates a potential transparency issue where the public might not get full access to the very tools their tax dollars funded, all in the name of security.