From the latest forecast discussion:
.LONG TERM (WEDNESDAY-SATURDAY)...
A SIGNIFICANT RAIN PRODUCING STORM SYSTEM IS ON TAP FOR LATE NEXT
WEEK. A COLD FRONT WILL DROP SOUTH SOMETIME BETWEEN THURSDAY NIGHT
AND FRIDAY NIGHT. BOTH ECMWF AND GFS SOLUTIONS ARE OFF BY 12 HOURS
ON THE TIMING OF THE COLD FRONT...BUT DO AGREE ON MODERATE TO
LOCALLY HEAVY RAINFALL DEVELOPING FOR LATE NEXT WEEK. THERE IS A
PERIOD BETWEEN WEDNESDAY NIGHT AND THURSDAY WHERE A WARM FRONTAL
BAND COULD MOVE OVER THE AREA AND BRING POSSIBLE RAINFALL TO THE
AREA...HOWEVER...MOST OF THE RAINFALL WITH THIS STORM SYSTEM WILL
OCCUR WITH THE SYSTEMS COLD FRONT. EARLY PRECIPITATION ESTIMATES
AT THIS TIME WOULD FALL IN-LINE WITH 1 TO 3 INCHES ALONG THE
COASTS AND VALLEYS AND 3 TO 5 INCHES FOR THE MOUNTAINS AND
FOOTHILLS. THE AMOUNT OF RAINFALL EXPECTED WITH THIS STORM SYSTEM
COULD BRING MUD AND DEBRIS FLOW CONCERNS FOR THE RECENT BURN
AREAS...INCLUDING THE COLBY AND SPRINGS BURN AREAS. IN
ADDITION...THIS STORM SYSTEM WILL BE COLDER WITH SNOW LEVELS
LOWERING POSSIBLY AS LOW AS 4000 FEET...WHICH COULD IMPACT TRAVEL
ON THE TEJON PASS ON INTERSTATE 5 AND SOLEDAD PASS ON HIGHWAY 14.
http://www.wrh.noaa.gov/total_forecast/getprod.php?wfo=lox&sid=lox&pil=afd