Forecasts you can act on

From hourly operations to seasonal planning, HydroForecast gives you the most accurate view of future flow — powered by cutting-edge AI and backed by deep hydrologic expertise.

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Industry-leading streamflow forecasts

HydroForecast offers best-in-class forecasting solutions to meet your needs across horizons. Plan for streamflow events hours, days, weeks, months, and even decades into the future with industry-leading accuracy and reliability.

If you're looking for longer term forecasts at scale, regional generation insights, or historical analyses, we also offer custom forecast solutions.

Short-term

Hourly forecasts for the next 10 days so you can improve tactical planning and optimize operations.

Seasonal

Daily forecasts out 90 days so you can make more informed seasonal water-supply decisions.

Annual

Daily forecasts up to 1 year out for improved strategic long-term planning.

Get ahead of extreme events

When extreme weather hits, HydroForecast keeps water management running smoothly. When Hurricane Helene overwhelmed traditional forecasting systems, HydroForecast delivered:

33%: more accurate peak flow predictions
4 days: earlier warning than traditional systems
24/7: uninterrupted operations throughout the flooding

Read the full case study →

Satellite view of Hurricane Helene over the southeastern United States

Capture revenue. Prevent losses. Operate with confidence.

Earn more from every megawatt: Schedule generation and bid into peak-price market windows. Reduce imbalance penalties and recover revenue lost to unnecessary spill.
More warning, less damage, lower risk: From atmospheric rivers to historic droughts, HydroForecast gives you more advance warning to protect critical infrastructure, maintain dam safety, and safeguard downstream communities.
Replace guesswork with precision: Plan seasonal drawdown, maintenance windows, and water allocation across competing demands — generation, environmental flows, and municipal use — with forecasts that hold up when conditions change.
Turn regulatory obligations into a competitive advantage: Stay ahead of FERC and Clean Water Act requirements with proactive alerts and automated reporting. Use defensible, data-driven insights to strengthen stakeholder relationships and simplify complex relicensing processes.

February 6, 2025 · Marshall Moutenot

HydroForecast earns customers more revenue per MW

The most accurate streamflow forecast — proven independently

HydroForecast swept a yearlong forecasting competition hosted by the CEATI, the U.S. Bureau of Reclamation, and major North American hydropower utilities — through drought and 1,000-year storms alike. Since then, we've continued to raise the bar.

Results: HydroForecast named the all-around winner

Outperformed in 23 out of 25 categories

See the full competition results →

HydroForecast vs. competition accuracy chart

Trusted by leading hydropower producers, utilities, and government agencies

Innovation to solve complicated problems

Upstream Tech's theory-guided AI approach in creating HydroForecast is a testament to innovative thinking to solve complicated problems and responsibly generate clean electricity for millions of Americans.

National Hydropower Association LeRoy Coleman, Director of Communications

Talented and responsive team

The HydroForecast team provides excellent customer service, especially in our very challenging region for modeling in Iceland — a truly talented and responsive team, always quick to address issues and committed to improving the forecasts.

Landsvirkjun Hörður Bragi Helgason, Hydrologist

Easy integration with in-house tools

HydroForecast has provided extremely helpful insight into short-term and seasonal inflow predictions. The graphics effectively communicate forecasts so teams from various disciplines can easily interpret the information, and HydroForecast allows for easy integration into other in-house tools.

Evolugen Hillary Lansfield, Manager, Generation and Asset Management

Utilizing it daily for hydro optimization

Snowmelt season is critical for New Brunswick Power's hydroelectric operations. HydroForecast has been helpful monitoring freshet closely — the forecast performance is strong and we've been utilizing it daily for hydro optimization to stay prepared for changes in water supply and mitigate risks.

New Brunswick Power Chris Carson, Director of Operations

Integral part of our emergency response workflows

HydroForecast gives us crucial insights into upcoming storm and heavy rain events. The dashboard is an integral part of our emergency response workflows and supports our commitment to public safety — we also use it to plan hydrology operational work and look forward to applying insights to inform drought response.

Auckland Council Kolt Johnson, Team Manager, Hydrology and Environmental Data

Extremely important in our planning toolkit

Streamflow forecasts are an extremely important component of our planning toolkit… And with that, it's always important to understand snowpack dynamics, soil moisture, total precipitation — like what's behind HydroForecast.

Denver Water Taylor Winchell, Climate Adaptation Specialist

A truly successful project

HydroForecast has proven to be an important datapoint for reservoir planning and management, leading to a more proactive approach to short- and mid-term planning, improved probabilistic view of generation, and enhanced trading and operational decision-making. HydroForecast has been a truly successful project for Brookfield Renewable.

Brookfield Renewable Samiha Tahseen, Director, Generation Planning

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A deeper look at how HydroForecast works

With HydroForecast, we've created a groundbreaking AI hydrology model that learns the physical relationships governing streamflow prediction — achieving unprecedented scale and complexity only possible with AI. We incorporate the best data inputs, build off our strong foundational model, and tune our model to your basin to provide the most accurate probabilistic streamflow forecasts, tailored to your specific needs.