UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                                    FORM 8-K

                             Current Report Pursuant
                          to Section 13 or 15(d) of the
                         Securities Exchange Act of 1934

       Date of Report (Date of earliest event reported): October 17, 2006

                         WESTERN ALLIANCE BANCORPORATION
             (Exact name of registrant as specified in its charter)

            Nevada                     001-32550                 88-0365922
(State or other jurisdiction         (Commission               (IRS Employer
       of incorporation)             File Number)            Identification No.)



       2700 West Sahara Avenue, Las Vegas, Nevada              89102
        (Address of principal executive offices)            (Zip Code)

       Registrant's telephone number, including area code: (702) 248-4200

                                 Not Applicable
          (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions:

|_|  Written communications pursuant to Rule 425 under the Securities Act (17
     CFR 230.425)

|_|  Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
     240.14a-12)

|_|  Pre-commencement communications pursuant to Rule 14d-2(b) under the
     Exchange Act (17 CFR 240.14d-2(b))

|_|  Pre-commencement communications pursuant to Rule 13e-4(c) under the
     Exchange Act (17 CFR 240.13e-4(c)) Rule 425, Rule 14a-12 and Instruction 2
     to Rule 14d-2(b)(2)




Item 2.02. Results of Operations and Financial Condition.

On October 17, 2006, Western Alliance Bancorporation issued a press release
describing its results of operations for the fiscal quarter ended September 30,
2006. That press release is attached hereto as Exhibit 99.1.

Item 9.01. Financial Statements and Exhibits. (c) Exhibits.


Exhibit No.      Description
------------     ----------------------------------------------------
99.1             Press Release dated October 17, 2006.




                                   SIGNATURES

     Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.


                                   WESTERN ALLIANCE BANCORPORATION
                                   (Registrant)


                                   /s/ Dale Gibbons
                                   --------------------------------
                                   Dale Gibbons
                                   Executive Vice President and
                                   Chief Financial Officer



Date: October 17, 2006