visibility begains to eb. you can see the snow sticking on the ground right there.reat miles davis academy those are drops of water. anytime the flakes of snow might be flying in that area. look at the temperatures down to 33 a crystal lake. other wind gust, calumet city with temperatures going into the 30's. it is cooling off fast. here's the sprawling canadian high pressure with a web of isobars. when pressures are varied which is what those isobars show, major blows a wind to try to equalize things. with a strong northerly wind flow coming south word. this will take a frontal boundary and push it self. it sets up a narrow corridor. there you can see a lake snow plume. it could turn to snow and wind and stick. that would be in northwest indiana. we will show you more clearly were a that is going to take place. look at the temperature is that start in the '40's. these are low temperatures by tomorrow morning. it will be down to 26 in chicago and up only into the '30's tomorrow. a winter level temperature not in mid november level temperature. we're down in the '20s