After an extremely mild winter here thus far, truly cold temperatures in the teens are expected to arrive in Dawson County with the new year.In sharp contrast to the high of 73 recorded here on Christmas day, a low of only 17 degrees is expected Satur day night, according to the National Weather Service forecast available Wednesday morning.The temperature is expected to dip down again to about 21 degrees on Sunday night after hitting a high of 51 during the day.So far this winter there have been only 13 nights when the temperature here dropped below the freezing point, according ...