As Americans prepared for Memorial Day—the official kickoff to a summer grilling season of burgers and T-bones—rising beef prices have some consumers balking in the grocery aisles.

Retail beef prices are widely expected to set new records in coming weeks after wholesale prices, or the amount meatpackers charge sellers for beef, hit an all-time peak this past week.

After achieving new highs for three weeks, choice-grade beef, the most common variety in the U.S., jumped to $2.1137 a pound Thursday, according to the U.S. Department of Agriculture. That level broke a decade-old record for wholesale prices set in 2003, when a case of mad-cow disease in Canada led to a spike in export demand for U.S. beef.

Wholesale prices retreated slightly Friday afternoon, falling to $2.0887 a pound, confirming some market-watchers' suspicions that retailers may be unwilling to swallow the record-high beef costs.

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