This sun pillar was photographed by Roger Look near Heyworth, in McLean County, on January 8. A sun pillar is typically seen at sunrise or sunset, and occurs when sunlight reflects off the surface of falling ice crystals. (click image to enlarge)
Tornado Climatology of Illinois
2009-10 Weather Summaries: Dec 8-9 -- Winter Storm & High Winds Dec 23-27 -- Heavy Rains & Snow 2009 - Top 10 Wettest Year Top 10 Weather Stories 2009 & 2000s Jan 7 - Winter Storm Jan 20 - Freezing Rain