- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------



                                  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): June 9, 2004


                            NorthWestern Corporation
             (Exact name of registrant as specified in its charter)




          Delaware                       0-692                  46-0172280
(State or other jurisdiction    (Commission File Number)      (IRS Employer
      of incorporation)                                     Identification No.)


             125 South Dakota Avenue                   57104
            Sioux Falls, South Dakota                (Zip Code)
    (Address of principal executive offices)

                                 (605) 978-2908
              (Registrant's telephone number, including area code)



- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------





Item 5.    Other Events and Regulation FD Disclosure

On June 9, 2004, NorthWestern Corporation (the "Company") issued a press release
announcing  that the  Company  has  decided  to combine  its Audit and  Controls
function with its Finance group as of July 1, 2004.  George  Boyles,  previously
Director of Accounting  Operations,  has been named  Internal Audit and Controls
Officer;   Kendall  Kliewer,   previously  Chief  Accountant,   has  been  named
Controller;  Paul Evans, a Certified Public  Accountant  previously  acting as a
consultant  to the  Company,  has joined the Company as  Treasurer;  and Maurice
Worsfold  has been named Vice  President  of  Information  Development  until he
leaves the Company at year-end  2004.  The press  release is attached  hereto as
Exhibit 99.1.

Item 7.      Financial Statements and Exhibits

EXHIBIT NO.  DESCRIPTION OF DOCUMENT
- --------------------------------------------------------------------------------
99.1*        Press Release of NorthWestern Corporation dated June 9, 2004
* filed herewith





                                   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.


                            NorthWestern Corporation


                                 By:   /s/ Alan D. Dietrich
                                      -------------------------------------
                                      Alan D. Dietrich
                                      Vice President - Legal Administration and
                                      Corporate Secretary


Date:  June 9, 2004





                                Index to Exhibits
                                -----------------

EXHIBIT NO.  DESCRIPTION OF DOCUMENT
- --------------------------------------------------------------------------------
99.1*        Press Release of NorthWestern Corporation dated June 9, 2004
* filed herewith