Originally Posted by Hypno Toad

whelp ... Minnesota decided to prove the refreeze and black ice isn't an either-or situation. Yesterday afternoon was sunny 40F/4C, so much melting; then the temps fell off a cliff dropping to -2F/-19C in 12 hours. Now we have tons of refreeze and conditions for black ice too. In other words, great day to ride studded bike tires!