After graduating from University of Wisconsin in 1975 with a degree in journalism, Renner earned a bachelor of science degree in atmospheric sciences at the University of Washington in 1988. He holds a professional membership in the American Meteorological Society. Renner is often called as an expert witness in court cases involving meteorology. The Department of the Army honored Renner with a Distinguished Services Award for his work serving as an aviation meteorology instructor for Army helicopter pilots in the Northwest. He is a board member of the Pacific Science Center Science Advisory Council, and on the advisory boards of Little Bit Therapeutic Riding Center and Mt. Rainier Alpine Guides.
Renner is the author of Northwest Marine Weather, Northwest Mountain Weather and Lightning Strikes: Surviving Thunderstorms, all published by Mountaineer Books. In addition, he is a contributing author of the new edition of Mountaineering; Freedom of the Hills, the number one mountain climbing text in the world.
Media Inc. and the Puget Sound Chapter of the American Marketing Association recognized Renner’s expertise and work in the community with the “1994 Person of the Year” award. In 1996, Renner received the First Award for Distinguished Service to Boaters from The Northwest Marine Trade Association.
In addition to his forecasting duties on KING 5 News, Renner has been featured in KING 5 specials such as “The Mountain Erupts,” “Under Puget Sound,” and “The World of Flight.” In 1980, he was the station’s chief reporter on the eruption of Mount St. Helens.
Twice a month Renner takes his KING 5 Weather Watch presentation to a different school in Western Washington, offering students a lesson on weather patterns and forecasting.
In addition to being an avid skier, scuba diver, equestrian, climber and backpacker, Renner also holds a commercial pilot’s license for land and seaplanes, and is a former certified flight instructor. Renner lives in Sammamish with his wife.