A sun dog or sundog (scientific name parhelion, plural parhelia, e.g. "with the sun") is a relatively common halo, an atmospheric optical phenomenon mostly associated with the refraction of sunlight by small ice crystals making up cirrus or cirrostratus clouds.
This one wasn't as impressive as I have seen... but did show up directly over the road (highway 456). By now, the pavement had returned and I was happy....