The IRS itself reminds taxpayers expecting refunds that it can take up to a few days for your financial institution (and that includes Wells Fargo bank too) to make your direct deposit available to you, as a result of a tax refund. Specifically, the IRS asks that taxpayers allow up to (5) business days for the funds to become available to you, and show up in your account. In almost all cases, however, a direct deposit shows up in your account much sooner than that.
Thus, the best advice for the moment is to be patient, and let the IRS and the banking system do their part. If your refund does not appear in your account within a few days (and yet the IRS's
Wheres My Refund website indicates that it has been released), then you can telephone the IRS (at the phone number on the
Wheres My Refund website) and attempt to find out more information.
In the worst case scenario (which is not at all to imply that you fall into this category) where an electronic tax refund deposit doesn't go through, it "bounces back" to the IRS. In that event, the IRS will revert to mailing a paper refund check to the taxpayer, using the taxpayer's address they have on file (which is the same as the one on their recent tax return, unless they've subsequently updated it with the IRS by notifying them of a change of address).
Hopefully this answer provides you with some additional information, and thank you for asking this important question.