Whirring noise on cold start

2007 town & country with 93k when car is started (cold) after setting to completely cold have a whirring noise that
goes away after car is completely wamed up thought was
alternator but noise doesn't seem to be coming from there
any help appreciated 3.3l engine thanks!

Get a piece of hose. Put it to your ear and sweep the engine bay. Just don't stick it where something is turning.