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From weather data to smarter farms with WSU

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## From Data to Decisions: How WSU’s AgWeatherNet is Revolutionizing Agriculture Washington State University's AgWeatherNet (AWN) is quietly transforming farming and ranching across the state. Launched in 1997, AWN is a network of over 130 weather stations strategically placed throughout Washington, continuously collecting critical data like temperature, rainfall, solar radiation, and wind speed. This data, once simply a resource for growers, is now being leveraged by artificial intelligence (AI) to generate unprecedented insights and automation opportunities. The system’s value lies in its real-time precision. Farmers and ranchers can access hyper-local weather information, enabling informed decisions about irrigation, pest management, and harvest timing – all crucial for maximizing yields and minimizing waste. AI algorithms are analyzing this historical and current data to predict potential crop stress, optimize fertilizer application, and even automate irrigation systems. This shift moves beyond reactive farming to proactive, data-driven strategies. The benefits are substantial, promising increased efficiency, reduced environmental impact, and improved profitability for Washington’s agricultural sector. WSU researchers continue to refine AWN and its AI applications, ensuring its relevance and effectiveness in a rapidly changing climate. For deeper coverage on the rivalry between WSU and the University of Washington, read about the recent Apple Cup and Jayden Limar’s game-winning touchdown.
From weather data to smarter farms with WSU

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The Apple Cup rivalry is a constant in the WSU calendar, and this year’s game saw the Washington Huskies narrowly secure a victory Washington Huskies survive Apple Cup scare, top WSU Cougars. While the gridiron drama unfolds, quieter but equally significant innovations are brewing at Washington State University, often overlooked amidst the fanfare. The recent article highlighting WSU's AgWeatherNet and its integration with AI to benefit farmers is a perfect example. It's a reminder that WSU's impact stretches far beyond the stadium, contributing meaningfully to the state's agricultural backbone and demonstrating a commitment to practical, real-world solutions—a solid win for the entire Cougar community. It’s refreshing to see this kind of forward-thinking happening alongside the historical rivalries, and it echoes sentiments shared by WSU coaching legends reflecting on the evolving landscape of college sports WSU coaching legends share memories and a collective groan over modern college chaos.

The brilliance of AgWeatherNet lies in its unassuming nature. It’s a network of weather stations scattered across Washington state, diligently collecting data that might seem, at first glance, fairly commonplace. But the shift from raw data to actionable insights through artificial intelligence is what truly elevates this system. Farmers and ranchers are facing increasingly complex challenges – unpredictable weather patterns, resource scarcity, and the ever-present pressure to maximize yields sustainably. This AI-powered analysis allows them to make informed decisions about irrigation, planting schedules, and pest management, leading to greater efficiency and reduced environmental impact. It's not about flashy tech; it’s about using existing resources—data and increasingly sophisticated algorithms—to address a tangible need within our agricultural community. This kind of pragmatic problem-solving feels distinctly Cougar: resourceful, grounded, and focused on delivering real value.

The broader implications of this development extend beyond Washington state. Precision agriculture, fueled by data analytics and AI, is rapidly transforming farming practices globally. WSU’s work serves as a compelling case study for how universities can leverage their research capabilities to directly support local industries and contribute to a more sustainable food system. It’s a testament to the power of collaboration – bringing together agricultural expertise, meteorological science, and cutting-edge AI to create a solution that benefits both farmers and consumers. Furthermore, the accessibility of this information is key. The goal isn't to create a proprietary system accessible only to large corporations; it’s about empowering farmers of all sizes with the tools they need to thrive. Considering the upcoming Apple Cup in 2026 Apple Cup 2026: Washington Huskies host WSU Cougars in rivalry game, it’s worth noting that this kind of quiet innovation may ultimately prove to be a more enduring legacy for WSU than any single football game.

Looking ahead, the integration of even more data sources—soil sensors, drone imagery, and potentially even weather forecasts from increasingly accurate models—promises to further refine these AI-powered insights. The question is: how can WSU continue to ensure that these advancements are readily accessible and adaptable to the evolving needs of Washington's diverse agricultural landscape? And, perhaps more importantly, how can we better communicate the value of these less-visible innovations to the broader public, showcasing the tangible impact WSU has on our state and beyond? The potential for growth and refinement is substantial, and it’s exciting to witness this evolution unfold in real time.

WSU Delivers

From weather data to smarter farms with WSU

Washington State University’s AgWeatherNet system generates data that AI turns into new insights and automation for farmers and ranchers.

A farmer looking out over a field of low green plants as the sun rises.

Washington State University’s AgWeatherNet is the nation’s oldest and largest system of its kind, used by farmers and ranchers to track heat and cold, wind and moisture. It’s a valuable asset for a major industry in the state.

Now, artificial intelligence and machine learning will use the trove of real-time data collected by the system’s nearly 370 weather stations to create more effective tools and computer models. Producers are already able to make improved farm-specific decisions about crops, livestock, and human health using the system.

“It is happening now and we are improving it further,” said Lav Khot, director of AgWeatherNet and professor of precision agriculture at WSU. “That’s where AI comes in: How can we mine the information from this data and make better management decisions? It’s really changing the game.”

A farmer in a field of green plants with a potato in one hand and a tablet in the other.

AgWeatherNet stations measure air temperature, relative humidity, soil temperature, rainfall, wind speed, wind direction, and solar radiation. Recently the stations were upgraded to also monitor air quality, which has become an important element of agricultural work during wildfire season. Measurements are done every 5 minutes.    

Models combine this information with data from the National Weather Service and historic trends for location-specific forecasts. This helps growers decide when to plant, whether they need to plan ahead for frost or heat, and how much to water.

Data from AgWeatherNet also feeds into WSU’s Decision Aid System, which helps growers decide when they should spray pesticides. The Potato Decision Aid System was launched in 2021 and is already saving the industry in Washington nearly $10 million each year. It’s a version of a similar tool used in the tree fruit industry for decades. Other agricultural producers are looking at the Decision Aid System for their crops, too.

I would say that all growers are using AgWeatherNet without exception. It is so incredibly valuable.

Julie Tarara
A farmer holding a tablet looking at a WSU-branded weather station in a field.

In recent years AgWeatherNet began integrating growers’ own weather stations and plant and soil sensors into the system, making it available to that grower via the AWN Smart Farms platform. Aside from monitoring conditions and aiding decision-making, the sensors help trigger automated overhead cooling and irrigation.

Khot’s team is also testing AI-enabled insect traps that would identify and count insects and send the information to the grower in time to get ahead of a potential infestation.

WSU’s role at the forefront of AI in agriculture is reflected in its leadership of AgAID, a $20 million institute established with funding from the U.S. Department of Agriculture. The institute combines the efforts of multiple research institutions, industry, and government partners to address agricultural challenges in the Pacific Northwest.

Julie Tarara, research program manager for the Washington State Wine Commission, said growers are dependent on AgWeatherNet and are looking forward to more AI-powered tools from WSU that use its data. She said, “I would say that all growers are using AgWeatherNet without exception. It is so incredibly valuable.”

Explore WSU News to learn more about how WSU’s impact goes beyond the numbers.

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