UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                    FORM 8-K


                 CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d)
                     OF THE SECURITIES EXCHANGE ACT OF 1934


       Date of Report (Date of Earliest Event Reported): January 24, 2000


                         WINTRUST FINANCIAL CORPORATION
             (Exact Name of Registrant as Specified in its Charter)


                         Commission File Number 0-21923



          Illinois                                       36-3873352
- -----------------------------               ------------------------------------
(State or other Jurisdiction                (I.R.S. Employer Identification No.)
    of Incorporation)


                               727 North Bank Lane
                           Lake Forest, Illinois 60045
             -------------------------------------------------------
                    (Address of Principal Executive Offices)


                                 (847) 615-4096
      ---------------------------------------------------------------------
              (Registrant's Telephone Number, Including Area Code)


ITEM 5.  OTHER EVENTS.

On January  24,  2000,  Wintrust  Financial  Corporation  ("Company")  announced
earnings for the fourth  quarter and year ended December 31, 1999. The Company's
press release related to this announcement is attached hereto as an Exhibit.  In
February   2000,   the  Company   issued  its  fourth  quarter  1999  letter  to
shareholders, which is also attached hereto as an Exhibit.

ITEM 7.  FINANCIAL STATEMENTS AND EXHIBITS.

(c) Exhibits

Exhibit 99.1 - Press Release dated January 24, 2000.

Exhibit 99.2 - Fourth Quarter 1999 Letter to Shareholders.

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                                   SIGNATURES

Pursuant  to the  requirements  of the  Securities  Exchange  Act of  1934,  the
Registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned, thereunto duly authorized.


                         WINTRUST FINANCIAL CORPORATION
                                  (Registrant)


Date:  February 11, 2000                     /s/ David A. Dykstra
                                             --------------------
                                             Executive Vice President
                                             & Chief Financial Officer

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