Here's what you need to know to start your Friday and the weekend.WEATHERWe're in for a sunny Friday with temperatures cresting to 36, and falling to a bone-chilling 21 overnight. Might be a good night to light the fireplace and make a hot toddy. There is a zero chance of precipitation and winds will be out of the west-northwest at a crisp 8 to 16 mph. Saturday will be nice and sunny with temperatures in the 40s. Sunday will be cloudy with a 70 percent of rain with the mercury rising to 55. Be glad it's not SNOW!TRAFFICGet the latest on delays for this morning's commute from baltimoresun.comFROM LAST NIGHTHundreds of firefighters from across the nation and Canada gathered at the Roman Catholic cathedral of Mary Our Queen to bid farewell to Lt. James Bethea, 62, a city fire safety officer who lost his life last week in an East North Avenue row house blaze.A former Baltimore police officer was sentenced to 21 months in prison and two years of subsequent supervision for prostituting his 19-year-old wife and another teen, prosecutors said.Under Armour CEO Kevin Plank pledged to contribute $25 million to the University of Maryland, College Park, to help pay for the renovation of Cole Field House. FROM TODAY'S FRONT PAGEPresident Barack Obama unveiled sweeping immigration reforms in a nationally televised and radio speech Thursday evening that would shield millions of people who are illegally living in the country from deportation. Gov. Martin O'Malley has asked to meet with at least two families whose loved ones were killed by men on Maryland's death row --- a move that might signal the governor is poised to take action on death penalty cases.It's during the yearly ritual known as Service Selection Day that senior midshipmen at the Naval Academy learn what their assignments will be once they graduate.AAA Mid-Atlantic estimates that nearly a million Marylanders will be on the move between Wednesday and Sunday in order to celebrate the long Thanksgiving weekend.