kendall and grundy counties and that. mchenry as well.the reason is again, unseasonably warmth and incredibly cold air out to the west. look at this. it's like a wall right here with st. louis at 74 at noon. 63 here. but 33 at omaha. 7 at rapid city and one at billings and williston and then below zero as you reach up into canada. here is that cold air mass that we were talking about and it's coming south much of the models had anticipated. 70 at peoria now. 37 at des moines. that's amazing and there is a lot of wind on our side of the front. so as this front comes crashing in to this wind you will get convergence of the wind in the surface and upwelling of air and jet stream that moves thunderstorms that develop quickly and spins them. and you get some real trouble. here is a close up look at the windchills which are at eight below at fargo. you got spring and winter juxtaposition here put together and we were going into winter. the rest of the thanksgiving week will jump up a little bit on wednesday and early thanksgiving morning before