<SEC-DOCUMENT>0000823277-19-000025.txt : 20190724
<SEC-HEADER>0000823277-19-000025.hdr.sgml : 20190724
<ACCEPTANCE-DATETIME>20190724115514
ACCESSION NUMBER:		0000823277-19-000025
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190722
FILED AS OF DATE:		20190724
DATE AS OF CHANGE:		20190724

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Skidmore Timothy N
		CENTRAL INDEX KEY:			0001584960

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36079
		FILM NUMBER:		19969909

	MAIL ADDRESS:	
		STREET 1:		C/O CHS INC.
		STREET 2:		5500 CENEX DRIVE
		CITY:			INVER GROVE HEIGHTS
		STATE:			MN
		ZIP:			55077

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CHS INC
		CENTRAL INDEX KEY:			0000823277
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-FARM PRODUCT RAW MATERIALS [5150]
		IRS NUMBER:				410251095
		STATE OF INCORPORATION:			MN
		FISCAL YEAR END:			0831

	BUSINESS ADDRESS:	
		STREET 1:		5500 CENEX DRIVE
		CITY:			INVER GROVE HEIGHTS
		STATE:			MN
		ZIP:			55077
		BUSINESS PHONE:		651-355-6000

	MAIL ADDRESS:	
		STREET 1:		5500 CENEX DRIVE
		CITY:			INVER GROVE HEIGHTS
		STATE:			MN
		ZIP:			55077

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CENEX HARVEST STATES COOPERATIVES
		DATE OF NAME CHANGE:	19980611

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HARVEST STATES COOPERATIVES
		DATE OF NAME CHANGE:	19961212
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_156398369762249.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2019-07-22</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000823277</issuerCik>
        <issuerName>CHS INC</issuerName>
        <issuerTradingSymbol>CHSCO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001584960</rptOwnerCik>
            <rptOwnerName>Skidmore Timothy N</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CHS INC.</rptOwnerStreet1>
            <rptOwnerStreet2>5500 CENEX DRIVE</rptOwnerStreet2>
            <rptOwnerCity>INVER GROVE HEIGHTS</rptOwnerCity>
            <rptOwnerState>MN</rptOwnerState>
            <rptOwnerZipCode>55077</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Executive VP &amp; CFO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class B Cum Redeemable Pref Stock, Series 1 (CHSCO)</value>
            </securityTitle>
            <transactionDate>
                <value>2019-07-22</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>3400</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>28</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5551.394</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By IRA</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class B Cum Redeemable Pref Stock, Series 1 (CHSCO)</value>
            </securityTitle>
            <transactionDate>
                <value>2019-07-23</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>3545</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>28</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>9096.394</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By IRA</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class B Cum Redeemable Pref Stock, Series 1 (CHSCO)</value>
            </securityTitle>
            <transactionDate>
                <value>2019-07-24</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>3545</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>28</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>12641.394</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By IRA</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>James M. Zappa, Attorney in Fact</signatureName>
        <signatureDate>2019-07-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
