As previously reported, SLIPKNOT have announced a new string of US headlining tour dates. A video message from the band regarding the tour can be viewed below.

The two week run kicks off on August 22nd in Seattle, WA and runs through September 5th in Milwaukee, WI. Members of OutsideThe9.com, the band’s official fan club, will be offered tickets first with a presales starting on June 24th. A limited number of tickets will be available for general presale on Slipknot1.com on June 25th, with the majority of tickets going onsale to the general public starting June 26th and 27th. ANTHRAX and THE BLACK DAHLIA MURDER will support.

The summer leg of the All Hope Is Gone World Tour marks Slipknot’s first headline shows in America since early May, which featured the band playing to over 30,000 people during their headline slot at this year’s Rock on the Range Festival in Columbus, OH.

2009 is a special year for the band, as it marks the 10th anniversary of their groundbreaking debut album. Slipknot will be punishing crowds with classics from their first record the self-titled Slipknot, and will also be busting out tracks from the rest of their catalogue right up to their current album, All Hope Is Gone.

The latest single from the #1 album All Hope Is Gone, 'Sulfur' is quickly climbing the charts at rock radio. MTV2 premiered the video, which is currently in regular rotation at the station as well as on Fuse. 'Dead Memories' hit #1 at Rock radio and is a Top 20 Modern rock hit, while the album’s first single 'Psychosocial' was Top 10 at Rock and Top 25 at Modern.

The dates are as follows:

August

22 - Seattle, WA - White River Amphitheater + (KISW Pain In The Grass 2009 with MUDVAYNE and others)
23 - Kennewick, WA - Toyota Center +
25 - Great Falls, MT - Four Seaons Arena ^
26 - Billings, MT - Metra Park Arena ^
28 - Boise, ID - Quest Arena +
29 - Salt Lake City, UT - The E Center ^
31 - Colorado Springs, CO - Colorado Springs World Arena ^

September

1 - Casper, WY - Casper Events Center ^
3 - Fargo, ND - Fargodome +
4 - Rochester, MN - Mayo Civic Center +
5 - Milwaukee, WI - Eagles Ballroom ^

+ on sale June 26th

^ on sale June 27th