january 29th, 94 degrees. 70 in topeka, kansas. 63 in chicago. that is all about to change though. it is changing here. you can see the temps have dropped by around 25 degrees all across the area behind the storm system and it will continue to change more. take a look at yesterday s highs here. 73 atlanta, right now it s at 70. by friday morning 36. chicago you ll be at zero friday morning, dropping 63 degrees in about three days. big changes in store. uma. uma: it is unbelievable that that kind of drop is going to be happening so soon. thank you very much, rick. jon: new questions about when boeing first learned of the battery problems that forced airlines to ground their airliners. nan airline replaced ten batteries before one of them caught fire when landing at boston logan s airport. investigators are asking for a full operating history of the