On-again, off-again tariffs on nearly all US imports, with retaliatory tariffs by many countries, have been a major disruptive factor in nearly all commodity markets as well as to transportation and the economy in 2025. The impact of weather on crop production domestically and globally further adds to the challenges faced by market participants making buying and selling decisions. Presentations from commodity and weather experts at the Sosland Purchasing Seminar Winter Webinar in early December 2025 will provide insights to navigate the markets in uncertain times.