7Pm cst? That would have been around 12 noon here. You were watching the tail end of a storm passing through. It went from condition 3 to condition 2 and caught us by surprise. Later in the day the sun came out. With all that white snow around it’s almost impossible to go outside without sunglasss.
Don’t think it looks like this all the time. We get tons of nice days with blue sky panoramas all summer long. Once the sun comes up 24 hours, the black rocks around town begin to heat up and everything melts.
Try saving a photo from the web cam now and then compare it to the same view at the end of december.