President Barack Obama will commemorate the occasion with a speech at Xavier University of Louisiana.
Filmmaker Spike Lee has been telling the story of Katrina survivors since the levees broke.
Five years later, the folks who were hardest hit by Katrina are still struggling to return home.
Their story is told in Lee’s new documentary, “If God is Willing and Da Creek Don’t Rise,” which premiered last night on HBO.
Part II airs tonight at 9:00 p.m. ET.