Summerfest has announced several ground stage headliners for this year's festival. Performance times and stage assignments will be announced beginning next week. In the meantime, here are the acts named today by Summerfest.

June 25 -- Dierks Bentley

June 27 -- Robert Randolph and the Family Band 

June 28 -- Pitbull, Mint Condition

June 29 -- Weird Al Yankovic,  Guster, Cypress Hill

July 1 -- The Offspring

July 3 -- Counting Crows 

Summerfest 2010 runs from June 24 through July 4.