Bill to extend snowpack forecasting through 2031

What This Bill Does

This bill reauthorizes the federal Snow Water Supply Forecasting Program and updates it to emphasize snowpack measurement, integrated modeling, and water-supply forecasting. It would direct the program to use technologies such as imaging spectroscopy, machine learning, and integrated snowpack-hydrologic modeling, and it would expand the program’s focus to basins where forecasts can inform water management at multi-district, multi-basin, or multi-State scales. The bill also changes the program’s funding from a $15 million aggregate authorization for fiscal years 2022 through 2026 to $6.5 million per year for fiscal years 2027 through 2031.

• Reauthorizes the Snow Water Supply Forecasting Program under 43 U.S.C. 1477.
• Changes the funding authorization to $6.5 million for each fiscal year 2027 through 2031.
• Adds emphasis on technologies that integrate snowpack measuring and modeling.
• Specifically names imaging spectroscopy, machine learning, and integrated snowpack and hydrologic modeling.
• Directs the program toward basins where forecasts can inform multi-district, multi-basin, or multi-State water decisions.

Who This Bill Affects

If you live in or depend on snow-fed water systems, this bill could improve how federal partners forecast runoff and manage reservoirs by supporting newer tools like machine learning, imaging spectroscopy, and integrated snowpack-hydrologic modeling. That could mean better planning for irrigation, drinking water, and drought response in basins where snowpack drives supply, especially where decisions affect multiple water users or states. If you are outside those regions or sectors, the direct effect is likely limited.

Who Supports & Opposes This

Key Implications

• ““with an emphasis on development and deployment of technologies that integrate snowpack measuring and modeling””

  The program would no longer be just about collecting snow data; it would explicitly push toward tools that combine measurement with predictive modeling. That can improve forecast quality, but it also means the program is more technology-dependent.

• ““imaging spectroscopy; machine learning; integrated snowpack and hydrologic modeling””

  These named methods show the bill is trying to modernize forecasting. In practice, that could mean more sophisticated estimates of snow water content and runoff timing, especially where traditional measurements are incomplete.

• ““activities in river basins… at a multi-water user, multi-basin, or multi-State scale””

  The bill prioritizes places where forecasts affect many stakeholders at once. That suggests a focus on interstate or basin-wide water conflicts and coordination, not just local monitoring.

• ““$6,500,000 for each of fiscal years 2027 through 2031””

  This sets a new annual funding authorization for five years. It gives the program a defined federal spending level, but it is still a relatively targeted appropriation compared with large nationwide programs.

Latest Status

June 10, 2026

Committee on Energy and Natural Resources. Ordered to be reported with an amendment in the nature of a substitute favorably.

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