The Potters have confirmed the 25-year-old is currently at the club's Clayton Wood training ground to undergo a medical. Stoke winger Jermaine Pennant leaked the news on Twitter after arriving for training on Wednesday morning.
"I walked in training & got a shock saw my friend Tom Huddlestone....on loan till end of season good signing," he wrote. "Yes it's true he's going to have a medical later if it's all good we have got him till the end of the season."
Huddlestone has not played a competitive match for almost an entire year, last featuring against Manchester City on August 28.
He has had two operations on his right ankle in the intervening period but has so far failed to impress new manager Andre Villas-Boas.
Huddlestone was not selected in the match-day squad for Spurs' season-opening defeat at Newcastle on Saturday and it now seems likely he will leave White Hart Lane, initially on loan.
Stoke have already signed Houston Dynamos defender Geoff Cameron and midfielders Jamie Ness (from Rangers) and Michael Kightly (Wolves) this summer.
Source: PA
Source: PA