1.   Farther west, scattered showers and a few thundershowers will develop over parts of California and Nevada as an upper-level low pressure system drifts eastward.

2.   Meanwhile, scattered showers and isolated thunderstorms will shift from central toward southern California as a cold, upper-level low-pressure system drifts southeastward across the state.

3.   Though the cool front will press offshore Friday, unsettled conditions will linger as a southward-sagging upper-level low pressure system drifts over the region.

4.   Considerable cloudiness will continue over our area as this system drift south.