<SEC-DOCUMENT>0000897101-17-001272.txt : 20171023
<SEC-HEADER>0000897101-17-001272.hdr.sgml : 20171023
<ACCEPTANCE-DATETIME>20171023112805
ACCESSION NUMBER:		0000897101-17-001272
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20171018
FILED AS OF DATE:		20171023
DATE AS OF CHANGE:		20171023

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Kubacki Jeff David
		CENTRAL INDEX KEY:			0001689844

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06403
		FILM NUMBER:		171148571

	MAIL ADDRESS:	
		STREET 1:		810 OAKGREEN AVENUE NORTH
		CITY:			STILLWATER
		STATE:			MN
		ZIP:			55082

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:			0827

	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>wgo172812kubacki_4.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-10-18</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001689844</rptOwnerCik>
            <rptOwnerName>Kubacki Jeff 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 - Chief Information Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, $.50 par value</value>
            </securityTitle>
            <transactionDate>
                <value>2017-10-18</value>
            </transactionDate>
            <deemedExecutionDate>
                <footnoteId id="F1"/>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1605</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>44.40</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4105</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Granted 10/18/17 under the Winnebago Industries, Inc. 2014 Omnibus Equity, Performance Awards, and Incentive Plan. Restricted shares vest in annual increments of one-third beginning on 10/18/2018.</footnote>
        <footnote id="F2">Represents amount of Winnebago Stock Units acquired by reporting person on the transaction date.</footnote>
        <footnote id="F3">Represents total amount of Winnebago Stock Units held by reporting person in Winnebago Industries, Inc. as of reporting date.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Scott C. Folkers, Secretary, Winnebago Industries, Inc. under Power of Attorneys</signatureName>
        <signatureDate>2017-10-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
