The transition from frigid temperatures to a warmer, wetter system over Southwest Washington will likely lead to a period of mixed winter precipitation Tuesday night/Wednesday morning. Current models indicate the precipitation will briefly begin as snow and transition to rain by morning. Freezing rain is looking less likely, although it cannot be ruled out completely. The official forecast is:
Tonight: A slight chance of rain, snow, and freezing rain before 10pm, then rain likely, possibly mixed with freezing rain. Cloudy, with a steady temperature around 34. South wind between 9 and 15 mph. Chance of precipitation is 60%. Little or no ice accumulation expected. Little or no snow accumulation expected.
Wednesday: Rain. High near 42. South wind between 15 and 17 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.