HTFU!
Me and a bud (greaterbrown) did a century in the Catoctin mountains last December 29th in average temps of 28F and northwest wind of 20 MPH, gusts of 24 MPH. I rode the entire ride on Schwalbe Marathon Winter studded tires.
http://bimactive.com/ba/journal/archives/10783/20091229
2009 Year-end Civil War Century by
greaterbrownbaer, on Flickr
In 2008, I did the ride, solo, in high winds, sideways snow and branches falling out of trees on regular road tires:
http://bimactive.com/ba/journal/archives/10783/20081231