marathon officials say it will go on as planned unless conditions are deemed unsafe. >> thank you. in oklahoma city, conditions are so dangerous people are urged to stay home today unless it is absolutely necessary to go outside. our coverage is continuing at accu-weather with meteorologist jim dickey has dire predictions. good morning, jim. >> good morning, john and diana. we continue to deal with extreme cold here in the midwest, northern plains and rockies. these are early morning temperatures, not windchill values. minus four minneapolis. minus 15 pierre, minus 12 in denver. last night denver fell to minus 15 that tied the record for the day. as it moves south and east relative warmth. as the two collide seeing heavy rain, snow and in the middle freezing rain. we have a layer of warmth in the middle of the atmosphere. snow falls into that, melts at the surface and falls to ice, encasing roadways and trees and power lines. power outages are likely here. it could be days before power is restored.