An anticipatory search warrant is a warrant that is based on an affidavit that shows probable cause that evidence of a particular crime (such as forged checks) will be at a specified location at some time (however not presently) in the future.
See e.g.; U.S v. Grubbs, 547 U.S. 90 (2006)
See also: Search Warrants, Fourth Amendment
[Last updated in June of 2022 by the Wex Definitions Team]