The weather is warming up and the 3rd Thursday Street Festival will be here in no time at all! 3rd Thursday is scheduled for June 16th, July 21st, August 18th, and September 15th. To sign up to be a vendor, please fill out the vendor registration form below. You can drop it off at the DSA office (121 S Main St) or mail it in (PO Box 13, Sheridan, WY 82801). Please include a check or your credit card information. You may also pay by credit card in person at our office.