Freezing fog creates rare light pillars in Wisconsin on Sunday

Viewer Photos: Sun Dogs

Incredible ice halos appear in Germany: A sky spectacle – Weather News

Freezing fog leaves wintry scene across much of northern Illinois and southern Wisconsin, MyStateline

Another round of freezing fog to make roads slippery again tonight through Monday morning

How Diamond Dust Sparkles In The Sky In Sub-Zero Temperatures

Rime ice, freezing fog decorate southeast Wisconsin

Freezing fog causes some slick spots and rare “light pillars” to appear, Archive

Noticing light pillars? Here's why you might see some in the winter, Features

Light pillars dazzle in the cold, northern US sky

Some extraordinary rare - Wisconsin Weather & Photography