According to
this Star Tribune article, WMNN-AM 1330 will be airing the O'Franken Factor in the Twin Cities, maybe as early as Wednesday. But only Al Franken's show, not the rest of Air America programming.
The arrangement seems only temporary, however. WMNN was owned by Minnesota Public Radio until last month, when it was sold to a Roman Catholic broadcaster. They plan to have their programming in late May or June.
It's unfortunate that Air America Radio doesn't have a real home in the Twin Cities yet, but Al Franken is a local and his cohost, Katherine Lanpher, used to be the mid-morning host on MPR. At least we get to hear them.