sebastian isaacson is about to be sentenced for the police say he stole an ambulance that had stopped to help him after he rear-ended another car on the beltway. then while in the ambulance, prosecutors say isaacson hit and killed another driver. his blood alcohol was .19 at the time. megan is in the courtroom with the families of the both the victim and isaacson. look for updates throughout this newscast and on nbc washington app. >>> right now, we're at a temperature of 47 degrees with some sunshine out there, breezy conditions, we stay breezy on into the evening hours. by 2:00, a temperature of 53. we hit our high of 56 degrees, 10 degrees below normal. at about 5:00 this evening, we're at a chilly 51. as we move on into the weekend, temperatures cool. highs this weekend stay in the 40s. i'll have a closer look at what you can expect both saturday and sunday co the search for alicia rudd isn't over yet, k-9 and dive teams didn't find the missing girl when they searched in and around a pond in national arboretum northeast. rudd was 8-years-old when she disappeared from the d.c. home