I'm also curious on this. When my Jeep is freezing I try to let it warm up for about 5-10 min also. But once I start driving it shifts into second really hard the first couple times, but the rest of my gears shift smooth. Could it just be from the cold?
Stock, and saving!
95 YJ Sahara 4.0, 73,000 original miles, stock leafs, 31x10.5" Dunlop Mud Radial tires, 1.25" Spidertrax wheel spacers