Here's a photo from Capitol Hill on a day last January. Here's what the weather nerds say might happen this weekend:
...SNOW LEVELS COULD BEGIN AT 4000 TO 5000 FEET SATURDAY AFTERNOON AND PLUNGE TO 500 FEET OR LESS BY SUNDAY MORNING AS 1000/850 MILLIBAR THICKNESSES FALL BELOW 1300 METERS WITH 850 MILLIBAR TEMPERATURES APPROACHING -9 C. THIS TROUGH AND INITIAL FRONT IS EXPECTED TO USHER IN A MUCH COLDER AIR MASS AS A BROAD UPPER LEVEL TROUGH TAKES UP RESIDENCE OVER THE PACIFIC NORTHWEST. SUCH A PATTERN WOULD KEEP PRECIPITATION MOSTLY IN A SHOWERY FORM LATER SUNDAY AND BEYOND...WITH MORE SIGNIFICANT PRECIPITATION AIMED SOUTH OF THE REGION. IT MUST BE STATED THAT THERE ARE A NUMBER OF WAYS THAT THIS PATTERN COULD EVOLVE WITH COLDER AIR NOT HANGING AROUND AS LONG AS THE COLDER SOLUTIONS...