I’m gonna let NOAA.gov say it all:
...FIRST COLD STORM OF THE SEASON... .A STRONG AREA OF LOW PRESSURE WILL DROP INTO THE WESTERN U.S.
TUESDAY INTO WEDNESDAY...BRINGING STRONG WINDS...AND MODERATE
TO LOCALLY HEAVY VALLEY RAIN AND MOUNTAIN SNOW TO THE REGION.
HEAVIEST PRECIPITATION WILL FALL TUESDAY NIGHT INTO WEDNESDAY…WITH ACCUMULATING SNOWFALL IN THE HIGHER ELEVATIONS OF
THE SIERRA. ANYONE PLANNING TRAVEL OVER THE SIERRA THIS WEEK
SHOULD PREPARE FOR WINTER CONDITIONS NOW TO AVOID BEING CAUGHT OFF
GUARD FOR THIS EARLY SEASON STORM.
...WINTER STORM WATCH IN EFFECT FROM TUESDAY EVENING
THROUGH WEDNESDAY EVENING ABOVE 7000 FEET...
* TIMING: HEAVIEST MOUNTAIN SNOW LATE TUESDAY NIGHT INTO WEDNESDAY MORNING...WITH SNOW SHOWERS CONTINUING INTO WEDNESDAY EVENING. * POSSIBLE SNOW ACCUMULATIONS: UP TO 10 INCHES ABOVE 7000 FEET ALONG THE SIERRA CREST...WITH A FEW INCHES DOWN TO LAKE LEVEL. * WINDS: SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS UP TO 50 MPH. RIDGE GUSTS UP TO 90 MPH. * SNOW LEVELS: 8500 FEET FALLING TO 6000 FEET BY WEDNESDAY MORNING.