State DX associations provide up-to-date notices of DX opportunities to their members. I just joined the Arkansas DX Association and look forward to their newsletter.
Many hams publish their own DX newsletters, usually on a subscription basis.
One that is open to all is the ARRL W1AW DX Bulletins. I print off each week’s newsletter and highlight upcoming stations I still need and keep it by my radio.
If you are into DXing, please post any favorite DX newsletter link you like.
73 and GL