TONIGHT: Clear and cold. A low in the upper teens to low 20s. Light winds. TOMORROW: Brief, filtered morning sunshine, then thickening clouds. Rising chance for light rain showers mixed with a few wet snow flakes at onset late. A high 35 to 40. Southeast winds 10 mph. SATURDAY NIGHT: Overcast and damp. Periods of light rain areas of fog. Temperatures in the mid to upper 30s. Southeast winds 10 to 15 mph. SUNDAY: Gray. Periods of light rain through mid day. Rain changes to scattered snow showers.