1-5-13
A LOW PRESSURE SYSTEM WILL MOVE THROUGH NORTHERN CALIFORNIA LATE TONIGHT INTO EARLY SUNDAY...BRINGING LIGHT VALLEY RAIN AND MOUNTAIN SNOW TO THE REGION.
A PACIFIC STORM WILL MOVE ACROSS INTERIOR NORTHERN CALIFORNIA OVER THE WEEKEND BRINGING SOME RAIN TO THE CENTRAL VALLEY WITH SNOW IN THE MOUNTAINS. PRECIPITATION IS FORECAST TO DEVELOP OVER THE COASTAL MOUNTAINS BY SATURDAY AFTERNOON THEN SPREAD OVER THE ENTIRE AREA SATURDAY NIGHT INTO SUNDAY. LIGHT PRECIPITATION IS EXPECTED WITH RAINFALL AMOUNTS GENERALLY AROUND A QUARTER OF AN INCH OR LESS. SNOW LEVELS ARE FORECAST TO INITIALLY BE AROUND 3000 TO 4000 FEET OVER THE SHASTA MOUNTAINS LATE SATURDAY...THEN LOWER TO AROUND 2500 FEET...LOCALLY LOWER...SUNDAY MORNING. OVER THE COASTAL MOUNTAINS AND SIERRA NEVADA...SNOW LEVELS WILL LOWER SATURDAY NIGHT INTO SUNDAY TO AROUND 3000 TO 4000 FEET. SNOW AMOUNTS ARE EXPECTED TO GENERALLY BE LIGHT BUT UP TO 3 INCHES IS POSSIBLE OVER THE HIGHER TERRAIN. GUSTY SOUTH TO SOUTHWEST WIND IS LIKELY OVER THE HIGHER MOUNTAIN TERRAIN SATURDAY AFTERNOON INTO EARLY SUNDAY. PERSONS TRAVELING INTO THE MOUNTAINS THIS WEEKEND MAY ENCOUNTER TRAVEL DELAYS AND CHAIN REQUIREMENTS...ESPECIALLY SATURDAY NIGHT INTO SUNDAY. CHECK THE LATEST ROAD AND WEATHER CONDITIONS PRIOR TO DEPARTURE. DRIER WEATHER IS FORECAST FOR EARLY NEXT WEEK.