The bluish green flashes of light at the end of this snow storm were kinda freaky.On the way home from work 12-20-12 at approx. 6:45am-7:00am traveling east bound on highway 30 in Marshall Co. a coworker and I were traveling slowly due to a bad snow storm. As we traveled down the hilly highway we saw a semi that had become stuck in the westbound lane. We began to go up the hill toward the town of Le Grand I saw a flash of light then another on the south side of the highway. It was a bluish green; it seemed to be coming from the little town. I thought it was fire trucks coming to the aid of the semi driver. I saw another flash as we came to the top of the hill, no fire trucks. Another flash, then I thought lightning or a transformer had blown up. As we came past the town there was nothing. I didn’t know what to think. We continued to travel home there was another flash of the greenish blue light. I had never seen anything like that light. Wasn’t white like lightning.