April 12, 2013 4:40 pm PM Forecast: Marine Layer to Deepen This Weekend A deepening marine layer may usher in a 20 percent rain chance the end of the weekend. NBC4’s Fritz Coleman has the forecast for Friday, April 11, 2013. US & World Videos 2:28 First Alert Forecast: Chilly temperatures 2:28 UCLA former police chief leaves university police department 0:23 LA extends ‘al fresco' program application deadline 1:09 Firehawk pilot on fighting the Franklin Fire in Malibu 2:57 Power restored in Malibu following Franklin Fire