Freezing Rain Coats Area Roads Air Masses Battling Over Valley PORTLAND -- It’s the battle of the air masses over the Willamette Valley Saturday. At 9 a.m., light rain was falling, freezing as it hit roads, power lines and plants. Snow was starting to come down east of the Cascades. KOIN News 6 meteorologist Mark Ronchetti said cold east winds are mixing with a wet warm front. The warm system slowly chipping away at the cold front will eventually win, and the freezing rain will turn to rain. The temperature is expected to sit just below the freezing mark until...