<SEC-DOCUMENT>0001179110-19-010950.txt : 20191011
<SEC-HEADER>0001179110-19-010950.hdr.sgml : 20191011
<ACCEPTANCE-DATETIME>20191011163244
ACCESSION NUMBER:		0001179110-19-010950
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20191009
FILED AS OF DATE:		20191011
DATE AS OF CHANGE:		20191011

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			West Christopher David
		CENTRAL INDEX KEY:			0001685700

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06403
		FILM NUMBER:		191148413

	MAIL ADDRESS:	
		STREET 1:		N60W27221 TRAPPERS RUN
		CITY:			SUSSEX
		STATE:			WI
		ZIP:			53089

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WINNEBAGO INDUSTRIES INC
		CENTRAL INDEX KEY:			0000107687
		STANDARD INDUSTRIAL CLASSIFICATION:	MOTOR HOMES [3716]
		IRS NUMBER:				420802678
		STATE OF INCORPORATION:			IA
		FISCAL YEAR END:			0831

	BUSINESS ADDRESS:	
		STREET 1:		P O BOX 152
		CITY:			FOREST CITY
		STATE:			IA
		ZIP:			50436
		BUSINESS PHONE:		641-585-3535

	MAIL ADDRESS:	
		STREET 1:		P O BOX 152
		CITY:			FOREST CITY
		STATE:			IA
		ZIP:			50436

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MODERNISTIC INDUSTRIES INC
		DATE OF NAME CHANGE:	19670528
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2019-10-09</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000107687</issuerCik>
        <issuerName>WINNEBAGO INDUSTRIES INC</issuerName>
        <issuerTradingSymbol>WGO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001685700</rptOwnerCik>
            <rptOwnerName>West Christopher David</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>WINNEBAGO INDUSTRIES, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>P.O. BOX 152</rptOwnerStreet2>
            <rptOwnerCity>FOREST CITY</rptOwnerCity>
            <rptOwnerState>IA</rptOwnerState>
            <rptOwnerZipCode>50436</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP-Operations</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, $.50 par value</value>
            </securityTitle>
            <transactionDate>
                <value>2019-10-09</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>6300</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>14353</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, $.50 par value</value>
            </securityTitle>
            <transactionDate>
                <value>2019-10-09</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1928</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>37.33</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>12425</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <ownerSignature>
        <signatureName>/s/ Stacy Bogart, Vice President, General Counsel &amp; Secretary, Winnebago Industries, Inc. under Power of Attorney</signatureName>
        <signatureDate>2019-10-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
