When you mail a tax return you should allow about four weeks to start checking on the web site for progress. You say you mailed your state return to the IRS--I hope that you did not really do that, since the IRS only processes federal returns. Your state has to be mailed to the correct address for your state's department of revenue.
To track your state refund:
https://ttlc.intuit.com/questions/1899433-how-do-i-track-my-state-
In the future, if you mail a tax return (or a payment) to the IRS/state, it is a good idea to use a mailing service that will track it like UPS or certified mail so you will know it was received.
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
