FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person *   WHITE MARTIN A 2. Date of Event Requiring Statement (Month/Day/Year) 05/09/2005 3. Issuer Name and Ticker or Trading Symbol FIRST INTERSTATE BANCSYSTEM INC [N/A] (Last) (First) (Middle) 918 EAST DIVIDE AVENUE, SCHUCHART BUILDING 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) BISMARCK, ND 58506 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock (1) 206 D Â

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Options (2)	05/09/2005	05/09/2015	Common Stock	552	$ 63	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
WHITE MARTIN A 918 EAST DIVIDE AVENUE SCHUCHART BUILDING BISMARCK, ND 58506	  X	Â	Â	Â

Signatures

/s/ Terrill R. Moore, Attorney in Fact for Reporting Person		05/09/2005
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Mr. White was elected as a director of Registrant on May 6, 2005. Mr. White was issued 206 shares of stock on May 9, 2005 in lieu of cash payment for annual Board of Director retainer fees.
(2)	Stock options granted at the discretion of the Compensation Committee of the Board of Directors for no consideration. Options vest over three years - 25% on date of grant and 25% on each annual anniversary date.

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