666 FPUS76 KSTO 240420 NOWSTO SHORT TERM FORECAST NATIONAL WEATHER SERVICE SACRAMENTO CA 820 PM PST FRI JAN 23 2015 CAZ016>019-240730- CENTRAL SACRAMENTO VALLEY-SOUTHERN SACRAMENTO VALLEY- CARQUINEZ STRAIT AND DELTA-NORTHERN SAN JOAQUIN VALLEY- 820 PM PST FRI JAN 23 2015 .NOW... LOW CLOUDS AND LOCALIZED DENSE FOG IS INCREASING THIS EVENING ACROSS THE CENTRAL AND SOUTHERN SACRAMENTO VALLEY...THE EASTERN DELTA REGION AND THE NORTHERN SAN JOAQUIN VALLEY. THIS TREND WILL LIKELY CONTINUE WITH LOCAL HIGHWAY VISIBILITIES DROPPING TO LESS THAN A QUARTER MILE AT TIMES THROUGH LATE THIS EVENING AND CONTINUING OVERNIGHT INTO SATURDAY MORNING. SLOW DOWN...USE EXTRA CAUTION AND ANTICIPATE INCREASING DENSE FOG COVERAGE BY LATE TONIGHT. $$ KS