<SEC-DOCUMENT>0001179110-20-008415.txt : 20200723
<SEC-HEADER>0001179110-20-008415.hdr.sgml : 20200723
<ACCEPTANCE-DATETIME>20200723143153
ACCESSION NUMBER:		0001179110-20-008415
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200721
FILED AS OF DATE:		20200723
DATE AS OF CHANGE:		20200723

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Bhattacharya Ashis Nayan
		CENTRAL INDEX KEY:			0001674994

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06403
		FILM NUMBER:		201043463

	MAIL ADDRESS:	
		STREET 1:		6341 URBANDALE LANE NORTH
		CITY:			MAPLE GROVE
		STATE:			MN
		ZIP:			55311

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:			0829

	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>2020-07-21</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001674994</rptOwnerCik>
            <rptOwnerName>Bhattacharya Ashis Nayan</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-Strategic Dev. &amp; Planning</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, $.50 par value</value>
            </securityTitle>
            <transactionDate>
                <value>2020-07-21</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>3927</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>63.52</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>18446</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Reflects the weighted average price of 3,927 shares of common stock of Winnebago Industries, Inc. sold by the reporting person in multiple transactions on July 21, 2020 with sale prices ranging from $63.50 to $63.63 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Stacy Bogart, Vice President, General Counsel &amp; Secretary, Winnebago Industries, Inc. under Power of Attorney</signatureName>
        <signatureDate>2020-07-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
