David, I assume you are heading on west at some point. If you choose
I-40 you are heading into colder weather than where you are now. I would choose dropping on down to I-10 for warmer temps. I have made that westward trip many times in January and it can get pretty cold unless you get further south.
2005 Sun Voyager, Safe-T-Steer
2009 Chevrolet Malibu, Blue Ox, SMI Duo,
Ohio Cardinal Gulfstreamers
FMCA Gulfstreamers International