There are Northern "deserts" on Earth, but, for the most part, they don't have the same appearance (great rolling dunes and what not) that we typically associate with deserts. Eastern Oregon might be a good example. Instead of dunes and the like, it is mostly arid land with either exceptionally high temperatures during the summer (well, exceptionally high for Oregon anyhow) and fairly cold temperatures during the winter. It really comes down to what you define as a desert, I suppose.

GW