11-10-12
...AREAS OF FROST EXPECTED ACROSS THE SACRAMENTO VALLEY AND SIERRA FOOTHILLS SUNDAY MORNING... .A COLD LOW PRESSURE SYSTEM IS TRACKING EASTWARD ACROSS NORTHERN CALIFORNIA TODAY. THIS SYSTEM IS FORECAST TO EXIT THE REGION BY THIS EVENING. CLEARING SKIES TONIGHT THROUGH SUNDAY MORNING COMBINED WITH LIGHT WINDS WILL BRING COLD OVERNIGHT LOWS. AREAS OF FROST ARE EXPECTED TO FORM SUNDAY MORNING ACROSS MUCH OF THE SACRAMENTO AND NORTHERN SAN JOAQUIN VALLEYS INCLUDING THE ADJACENT SIERRA FOOTHILLS.