Exhibit (5)(a)
April 25, 2003


Weyerhaeuser Company
Federal Way, WA 98477


Dear Sirs and Mesdames:


      I am Senior Legal Counsel of Weyerhaeuser Company, a Washington
corporation (the "Company") and Sponsor of Weyerhaeuser Capital Trust I and
Weyerhaeuser Capital Trust II, each a Delaware Statutory trust (each a
"Trust" and collectively, the "Trusts"), and in such capacity, I have
examined the Registration Statement on Form S-3 (the "Registration
Statement") to be filed by the Company and the Trusts with the Securities and
Exchange Commission relating to

      (a)   the proposed sale by the Company from time to time, in one or more
            series, of (i) its unsecured debt securities, which may be unsecured
            senior debt securities (the "Senior Debt Securities"), unsecured
            subordinated debt securities (the "Subordinated Debt Securities") or
            unsecured junior subordinated debt securities (the "Junior
            Subordinated Debt Securities", and together with the Senior Debt
            Securities and the Subordinated Debt Securities, the "Debt
            Securities"), (ii) shares of its preferred shares (the "Preferred
            Shares"), (iii) shares of its preference shares (the "Preference
            Shares"), (iv) depositary shares (the "Depositary Shares")
            representing fractional shares of Preferred Shares or Preference
            Shares and evidenced by depositary receipts (the "Depositary
            Receipts"), (v) shares of its common shares (the "Common Shares"),
            (vi) warrants to purchase Debt Securities or other securities (the
            "Warrants"), and (vii) stock purchase contracts (the "Stock Purchase
            Contracts" and stock purchase units (the "Stock Purchase Units");

      (b)   the proposed sale by each of the Trusts of its preferred securities
            (the "Trust Preferred Securities") from time to time, in one or more
            series; and

      (c)   the guarantee by the Company of the Trust Preferred Securities of
            the Trusts (the "Guarantees").

The Debt Securities, Preferred Shares, Preference Shares, Depositary
Shares, Common Shares, Warrants, Stock Purchase Contracts, Stock Purchase
Units, Trust Preferred Securities and Guarantees are hereinafter collectively
referred to as the "Securities".

I have examined such documents and have reviewed such questions of law, as I
have considered necessary and appropriate for the purposes of my opinion set
forth below. I am familiar with the proceedings heretofore taken and with the
additional proceedings proposed to be taken by the Company and the Trusts in
connection with the authorization, registration, issuance and sale of

                                                                  Exhibit (5)(a)

the Securities. In rendering my opinion set forth below, I have assumed the
authenticity of all documents submitted to me as originals, the genuineness of
all signatures and the conformity to authentic originals of all documents
submitted to me as copies. I have also assumed the legal capacity for all
purposes relevant hereto of all natural persons and, with respect to all parties
to agreements or instruments relevant hereto other than the Company and the
Trusts, that such parties had the requisite power and authority (corporate or
otherwise) to execute, deliver and perform such agreements or instruments, that
such agreements or instruments have been duly authorized by all requisite action
(corporate or otherwise), executed and delivered by such parties and that such
agreements or instruments are the valid, binding and enforceable obligations of
such parties. As to questions of fact material to my opinion, I have relied upon
certificates of officers of the Company and the Trusts and of public officials.
Capitalized terms used herein and not otherwise defined herein shall have the
meanings assigned to them in the Indentures, the Trust Agreements and the
Guarantees, each in the form incorporated by reference as exhibits to the
Registration Statement.

      Based upon the foregoing, I am of the opinion that:

      1. Upon compliance with the terms and conditions of the relevant Indenture
with respect to the creation, authentication and delivery of the Senior Debt
Securities, the due execution by the Company and authentication and delivery by
the Trustee under the Indenture of the Senior Debt Securities, and the sale of
the Senior Debt Securities by the Company as contemplated in the Registration
Statement (after it is declared effective) and in accordance with corporate
authorizations, the Senior Debt Securities will constitute in the hands of
holders thereof valid and binding obligations of the Company.

      2. When (a) appropriate corporate action has been taken by the Company to
authorize the issuance and sale of a series of Subordinated Debt Securities or
Junior Subordinated Debt Securities and to authorize and approve the form,
terms, execution and delivery of such Subordinated Debt Securities or Junior
Subordinated Debt Securities, the related Indenture and any supplemental
indenture or officers' certificate establishing the form and terms of such
Subordinated Debt Securities or Junior Subordinated Debt Securities pursuant to
such Indenture, (b) appropriate action has been taken by the Company in
accordance with such Indenture to authorize the issuance and establish the form
and terms of such Subordinated Debt Securities or Junior Subordinated Debt
Securities, (c) such Indenture and any such supplemental indenture or officers'
certificate have been duly executed and delivered by, and shall constitute
valid, binding and enforceable obligations of, the Company and, in the case of
such Indenture and any such supplemental indenture, a trustee duly qualified
under the Trust Indenture Act of 1939, as amended (the "Trust Indenture Act"),
and (d) certificates evidencing the Subordinated Debt Securities or Junior
Subordinated Debt Securities of such series (in such form and with such terms)
have been duly executed and attested by duly authorized officers of the Company,
authenticated by such trustee, and issued and delivered against payment of the
consideration therefor as determined by appropriate corporate action of the
Company, all in accordance with such Indenture and such corporate and other
action, such Subordinated Debt Securities or Junior Subordinated Debt Securities
will constitute valid and binding obligations of the Company, enforceable
against the Company in accordance with their terms.

                                                                  Exhibit (5)(a)

      3. When (a) appropriate corporate action has been taken by the Company to
authorize the issuance and sale of a series of Preferred Shares, to establish
the terms thereof, to authorize and approve the form, terms, execution and
delivery of certificates evidencing the Preferred Shares of such series, and to
authorize and approve the form, terms, execution and delivery of Articles of
Amendment to the Company's Restated Articles of Incorporation ("Articles of
Amendment") relating thereto and the filing thereof with the Secretary of State
of the State of Washington (the "Secretary of State"), (b) Articles of Amendment
(in such form and with such terms) has been duly executed and acknowledged by
duly authorized officers of the Company and duly filed with the Secretary of
State and shall have become effective, and (c) certificates evidencing the
Preferred Shares of such series (in such form and with such terms) have been
duly executed by duly authorized officers of the Company, countersigned (if
applicable) by the appropriate transfer agent or registrar, as the case may be,
and issued and delivered against payment of the consideration therefor as
determined by appropriate corporate action of the Company (assuming that the
consideration so received is legally valid consideration under the laws of the
state of Washington), all in accordance with the Company's Restated Articles of
Incorporation and by-laws, the laws of the State of Washington and such
corporate action, such Preferred Shares will be validly issued, fully paid and
nonassessable.

      4. When (a) appropriate corporate action has been taken by the Company to
authorize the issuance and sale of a series of Preference Shares, to establish
the terms thereof, to authorize and approve the form, terms, execution and
delivery of certificates evidencing the Preference Shares of such series, and to
authorize and approve the form, terms, execution and delivery of Articles of
Amendment relating thereto and the filing thereof with the Secretary of State,
(b) Articles of Amendment (in such form and with such terms) has been duly
executed and acknowledged by duly authorized officers of the Company and duly
filed with the Secretary of State and shall have become effective, and (c)
certificates evidencing the Preference Shares of such series (in such form and
with such terms) have been duly executed by duly authorized officers of the
Company, countersigned (if applicable) by the appropriate transfer agent or
registrar, as the case may be, and issued and delivered against payment of the
consideration therefor as determined by appropriate corporate action of the
Company (assuming that the consideration so received is legally valid
consideration under the laws of the state of Washington), all in accordance with
the Company's Restated Articles of Incorporation and by-laws, the laws of the
State of Washington and such corporate action, such Preference Shares will be
validly issued, fully paid and nonassessable.

      5. When (a) appropriate corporate action has been taken by the Company to
authorize the issuance and sale of Depositary Shares representing fractional
interests in Preferred Shares or Preference Shares of a particular series and
the issuance of Depositary Receipts evidencing such Depositary Shares and to
authorize and approve the form, terms, execution and delivery of such Depositary
Receipts and a related Deposit Agreement, (b) such Deposit Agreement has been
duly executed and delivered by, and shall constitute a valid, binding and
enforceable agreement of, the Company and the depositary thereunder, (c)
appropriate corporate action has been taken by the Company to authorize the
issuance of such Preferred Shares or Preference Shares and the deposit thereof
with such depositary pursuant to the Deposit Agreement, (d) such Preferred
Shares or Preference Shares shall have been duly authorized and validly issued,
shall be fully paid and non-assessable and shall have been deposited with such
depositary in accordance with

                                                                  Exhibit (5)(a)

such Deposit Agreement, and (e) such depositary shall have duly executed, issued
and delivered the Depositary Receipts (in such form and with such terms)
evidencing such Depositary Shares against payment of the consideration therefor
as determined by appropriate corporate action of the Company, all in accordance
with such Deposit Agreement, the Company's Restated Articles of Incorporation
and by-laws, the laws of the State of Washington and such corporate action, such
Depositary Receipts will entitle the holders thereof to the rights provided
therein and in such Deposit Agreement.

      6. When (a) appropriate corporate action has been taken by the Company to
authorize the issuance and sale of Common Shares and (b) certificates evidencing
such Common Shares have been duly executed by duly authorized officers of the
Company, countersigned (if applicable) by the appropriate transfer agent or
registrar, as the case may be, and issued and delivered against payment of the
consideration therefor as determined by appropriate corporate action of the
Company (assuming that the consideration so received has a value not less than
the par value of such Common Shares and is legally valid consideration under the
laws of the State of Washington), all in accordance with the Company's Restated
Articles of Incorporation and by-laws, the laws of the State of Washington and
such corporate action, such Common Shares will be validly issued, fully paid and
non-assessable.

      7. When (a) appropriate corporate action has been taken by the Company to
authorize the issuance and sale of Warrants and the issuance and delivery of the
Securities (the "Underlying Securities") issuable upon exercise of such
Warrants, and to authorize and approve the form, terms, execution and delivery
of certificates evidencing such Warrants and a related Warrant Agreement, (b)
such Warrant Agreement has been duly executed and delivered by, and shall
constitute a valid, binding and enforceable agreement of, the Company and the
warrant agent thereunder, (c) certificates evidencing such Warrants (in such
form and with such terms) have been duly executed and attested by duly
authorized officers of the Company, authenticated by such warrant agent, and
issued and delivered against payment of the consideration therefor as determined
by appropriate corporate action of the Company and (d) appropriate corporate
action has been taken by the Company to reserve such Underlying Securities for
issuance upon exercise of such Warrants upon payment of the exercise price
therefor (assuming that such exercise price is legally valid consideration under
the laws of the State of Washington), all in accordance with such Warrant
Agreement, the Company's Restated Articles of Incorporation and by-laws, the
laws of the State of Washington and such corporate action, such Warrants will
constitute valid and binding obligations of the Company, enforceable against the
Company in accordance with their terms.

      8. When (a) appropriate corporate action has been taken by the Company
to authorize the issuance of Stock Purchase Contracts and to authorize and
approve the form, terms, execution and delivery of the Stock Purchase
Contracts, and (b) such Stock Purchase Contracts have been duly executed and
delivered by the Company, such Stock Purchase Contracts will constitute valid
and binding obligations of the Company, enforceable against the Company in
accordance with their terms.

      9. When (a) appropriate corporate action has been taken by the Company
to authorize the issuance of Stock Purchase Units and to authorize and
approve the form, terms, execution and

                                                                  Exhibit (5)(a)

delivery of the Stock Purchase Units and (b) such Stock Purchase Units have been
duly executed and delivered by the Company, such Stock Purchase Units will
constitute valid and binding obligations of the Company, enforceable against the
Company in accordance with their terms.

      10. When (a) appropriate corporate action has been taken by the Company
to authorize the issuance of Guarantees with respect to the Trust Preferred
Securities of a Trust and to authorize and approve the form, terms, execution
and delivery of a related Guarantee Agreement, (b) such Guarantee Agreement
has been duly executed and delivered by, and shall constitute a valid,
binding and enforceable agreement of, the Company and a trustee duly
qualified under the Trust Indenture Act, (c) the Amended and Restated Trust
Agreement of such Trust shall have been duly authorized, executed and
delivered by, and shall constitute a valid, binding and enforceable agreement
of, the parties thereto (including a property trustee duly qualified
under the Trust Indenture Act), and (d) such Trust Preferred Securities and
the common securities of such Trust shall have been duly authorized and
validly issued, shall be fully paid and (in the case of such Trust Preferred
Securities) nonassessable, and shall be undivided beneficial interests in the
assets of such Trust, all in accordance with such Guarantee Agreement, the
Amended and Restated Trust Agreement and such corporate action, such
Guarantee Agreement will constitute a valid and binding obligation of the
Company, enforceable against the Company in accordance with its terms.

      The opinions set forth above are subject to the following qualifications
and exceptions:

      (a) My opinions in paragraphs 1, 2, 7, 8, 9 and 10 above are subject to
the effect of any applicable bankruptcy, insolvency, reorganization,
moratorium or other similar law of general application affecting creditors'
rights.

      (b) My opinions in paragraphs 1, 2, 7,8, 9 and 10 above are subject to
the effect of general principles of equity, including (without limitation)
concepts of materiality, reasonableness, good faith and fair dealing, and
other similar doctrines affecting the enforceability of agreements generally
(regardless of whether considered in a proceeding in equity or at law.

      (c) My opinion on paragraph 10 above, insofar as it relates to
indemnification provisions, is subject to the effect of federal and state
securities laws and public policy relating thereto.

      My opinions expressed above are limited to the laws of the State of
Washington and the federal laws of the United States of America.

      I consent to the use of this opinion as an exhibit to the Registration
Statement and to the reference to me under the heading "Legal Matters" in the
Prospectus.


Very truly yours,

/s/ Lorrie D. Scott
Lorrie D. Scott
Senior Legal Counsel