The IRS begin accepting returns
on 1/29/18. It
usually takes within 21 days of acceptance if you e-file with direct deposit.
This article will provide more information on the refund process and timeline.
https://blog.turbotax.intuit.com/tax-refunds/wheres-my-tax-refund-how-to-check-your-refund-status-18...
If the IRS website says
processing, then that means they are working on it still.
You can keep checking
their website for a release date.
You can track your refund with
the IRS and through Santa Barbara Tax Products Group.
https://taxpayer.sbtpg.com/login
https://www.irs.gov/refunds