You can check your Federal refund status at Where's My Refund.
https://www.irs.gov/refunds
Make sure you are using the refund amount from your actual federal tax return and not the combined amount Turbo Tax showed you at the end. That was for federal and state combined.
IRS - Questions about Refunds https://www.irs.gov/refunds/tax-season-refund-frequently-asked-questions
