Prepare for another morning of temperatures that could vie for the lowest of the winter season so far.The National Weather Service forecast for Saturday morning calls for lows in the Dallas-Fort Worth area in the lower 20s. So far, the coolest temperatures recorded since winter began were the 22 and 23 recorded at D/FW Airport on Wednesday and Thursday morning respectively.Temperatures climbed into the mid-40s on Thursday afternoon and hit 42 degrees on Friday.The cooler temperatures are expected to stick around awhile."It looks like winter is here to stay, for at least a few days," said meteorologist Ted Ryan of the National Weather Service in Fort Worth.Fog and drizzle greeted Metroplex commuters Friday morning gave way to cloudy skies by evening.Thursday afternoon, the high temperature at D/FW Airport rose above freezing for the first time in almost two days, reaching a high of 43. Wednesday was the first day with a daytime high of 32 or less since Feb. 4, 2011.Saturday is forecast to be sunny with a high in the mid-40s. After dipping into the upper 20s Sunday morning, temperatures are expected to reach the upper 40s in the afternoon.A Pacific front is expected to arrive Monday, bringing with it a 50 percent chance of rain. Temperatures behind the front are expected to stay above freezing.Life at DFW Airport slowly returned to normal Thursday. About 110 flights were canceled during the day because the snowy weather that clogged airport traffic here Tuesday and Wednesday has moved to the eastern half of the United States.By 5 p.m., that number had dwindled to 51, said Cynthia Vega, an airport spokeswoman.Staff writers Domingo Ramirez Jr. and Bill Miller contributed to this report.