dangerous driving conditions. look at that. >> it's hard to believe it was above 50 degrees in new york city yesterday, and the sudden temperature change is blamed for this fire not far from radio city music hall. so, they had melting snow mixed with salt dripping on to an electrical transformer that caught fire. hundreds evacuated from the office building above it. >> all kinds of strange stuff happening. schools shut down statewide in minnesota. you know, we always like to say in minnesota they know cold? >> look at that. >> well, it's so cold there, they're shutting the schools down. temperatures dipping to 40 below in brimson, 30 below at the airport in duluth with windchills of 60 below. they were recorded in several parts of the state. >> stay inside. a tragic story out of missou missouri, a 1-year-old boy killed in a crash involving a snowplow. state highway patrol says his mother lost control of the car, skidded and hit the snowplow head on monday. troopers say the boy was not properly restrained. a major headache in downtown columbus, ohio, a huge water