Union officials said local grocery store workers will vote next Tuesday and Wednesday on a tentative contract deal that was reached with four major chains late Monday, just before a strike deadline.

Thousands of grocery workers in King, Snohomish, Kitsap, Pierce, Mason and Thurston counties will have a chance to review the proposed new terms and cast their votes at eight locations from Everett to Olympia.

Vote results likely will be available on Thursday, according to United Food and Commercial Workers Local 21.

A union bargaining team announced Monday afternoon that it unanimously recommended the tentative agreement reached in a marathon negotiating session with Albertsons, Fred Meyer, QFC and Safeway.

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Neither side has released details of the proposed contract, which still must be approved by union members.

Amy Martinez: 206-464-2923 or amartinez@seattletimes.com. On Twitter: @amyemartinez