Winter Weather Advisory issued February 17 at 10:02PM PST until February 18 at 12:00PM PST by NWS

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON PST THURSDAY... * TIMING: A MIX OF RAIN AND SNOW WILL MOVE INTO THE AREA BY EARLYTHIS EVENING. THE HEAVIEST SNOW IS EXPECTED BETWEEN 10 PM AND 6AM WHERE SNOWFALL RATES COULD BRIEFLY REACH 1 TO 2 INCHES PER HOUR IN THE HIGHER TERRAIN WEST OF HIGHWAY 89.

from Current Watches, Warnings and Advisories for the United States Issued by the National Weather Service http://ift.tt/1KrtKjT