This weekend looks slim for special event stations; these are the only two I could find searching through the ARRL and QRZ listings:
12-25 Jan, 0000Z-1800Z, N4D – ARRL Puerto Rico State Convention: The Caribbean Amateur Radio Group will be operating a special event station in conjunction with the ARRL Puerto Rico State Convention. They’ll be operating on or near 28.350, 21.350, and 14.260. QSL for Certificate and QSL via Caribbean Amateur Radio Group, HC4 Box 43014, Hatillo, PR 00659. During the Convention on 26/27 January, they will be operating W1AW/KP4. For more information, see: http://www.arrlpr.org/?page_id=206
14-22 Jan, 0000Z-0000Z, N3A – Inauguration of Barack Obama: The District of Columbia Amateur Radio Society will be operating a special event station on 20 Meters in honor of the Inauguration of the President of the United States on 21 January 2013. QSL via Eric Rosenberg, 3511 Patterson St NW, Washington, DC 20015.
12-26 Jan, 0000Z-0000Z, W7Q – Quartzfest 2013: Amateur Radio Operators gathering near Quartzite, AZ during January will be operating a special event station using the callsign W7Q. QSL via Ward Wheaton – K7PO, PO Box 277, Tonopah, AZ 85354. For more information see their website: http://www.quartzfest.org/php/main.php?home
For more information on special event stations over the weekend, check out Jerry Taylor, KD0BIK’s Practical Amateur Radio Podcast. Each week he presents info on various special event stations that will be active over the coming weekend. There’s lots of good info in Jerry’s podcasts in addition to the special event station info, give them a listen!