T-storm Weather is a subscription service that forecasts and analyzes weather and yields to help buyers and sellers of grains and oilseeds manage risk.  The company was founded by Mike Tannura on June 1, 2006 and is now considered among the most well-respected weather and analytic firms in the grain industry.

Our primary purpose is to forecast and analyze weather events in the United States and South America with daily newsletters that are sent via email.  We also forecast and analyze weather in other key grain and oilseed areas of the world, while also monitoring for winter weather disruptions to the U.S. cattle market.  In 2010, we unveiled our weekly YieldCast® product, which has become an industry-leading risk-management tool for those with U.S. corn and soybean yield risk.

Our information and weather opinions have been featured in the Wall Street Journal, BusinessWeek, Barron’s, Bloomberg, Dow Jones Newswires, WGN-TV, International Herald Tribune, Chicago Tribune, The Globe and Mail, Business News Network, Canada Television, San Francisco Chronicle, and AgricultureOnline, and our subscribers have provided many favorable reviews dating to our inception in 2006.



T-storm Weather is proud to be partnered with Speedwell Weather.  With more than 10,000 individual Indexes, the Speedwell Weather Commodity Product monitors weather variables (precipitation, temperature, frost, and etc.) for 30 crops in over 40 countries. This product is a platform designed to bring weather data directly to the trader in a concise format for a wide range of global agricultural crop/areas.  The Speedwell Weather Commodity Product allows traders to get in depth information for the exact crop and growing area of interest. Speedwell’s exclusive access to thousands of weather stations across the globe ensures the most up to date data to help traders make informed decisions.