At least one of the cloudburst-generating thunderstorms, which fired repeatedly Monday (Labor Day) afternoon and early evening over the Rockford area, produced this double rainbow which, according to Theodore Juern, who shares these photos with us, had drivers on I-90 pulling to the side of the highway to observe and photograph. The storm produced some of the most severe flooding observed in recent memory over the southeast quadrant of Rockford with rainfalls estimated at 6".
-Tom Skilling, WGN-TV Chief meteorologist

PHOTO COURTESY: Theodore Juern
