July 12, 2011 4:36 pm Wilmette's Oldest Tree Brought Down by Storm The oldest living tree in Wilmette — nicknamed the Bicentennial Ash Tree in 1976 — came crashing down in a fit of Mother Nature’s fury Monday morning. Local 1:44 CHICAGO FORECAST: Storms impact region ahead of weekend cooldown 2:25 Thursday afternoon forecast 3:05 Thursday morning weather 2:16 Wednesday afternoon forecast 3:03 Wednesday morning weather