Grateful Dead Bob Weir has passed away at the age of 78 after battling cancer and lung complications. The legendary guitarist and co-founder died peacefully on January 10, 2026, surrounded by loved ones. Weir spent over six decades on the road, writing iconic songs like “Sugar Magnolia,” “Truckin’,” and “Playing in the Band.” His final performances took place in August 2025 at Golden Gate Park, celebrating the Grateful Dead’s 60th anniversary. Discover the full story of his incredible life, the heartfelt family statement, fan tributes, and what his passing means for the future of the Dead’s legacy.