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Dry weather for at least the next week. Patchy late night and morning fog and frost possible in the Central Valley. Locally breezy north to east winds late tonight into Friday.

Discussion

High clouds continue to stream up from the south into NorCal, drawn northward by the system currently just off the coast of the PacNW. Dew points are running a couple degrees higher compared to 24 hours ago, so some patchy thick fog will once again be likely in the Central Valley from about the Sacramento area southward, but high clouds will likely limit the fog from becoming more extensive.

Little change in the overall dry and mild pattern expected into next week. The system moving through the PacNW today will drop a dry cold front southward into the Great Basin which will lead to an increase in north to east surface pressure gradient across NorCal in its wake later tonight into Friday.

The result will be breezy conditions across the Sacramento Valley and over the west slopes of the northern Sierra and southern Cascades. Gusts of 30-35 mph will be possible along the western edge of the Sacramento Valley, and some local gusts over 40 mph will be possible across the northern Sierra ridges. The winds will decrease by Saturday morning as the gradient relaxes.

Extended Discussion (Monday through Thursday)

Little change the to extended forecast from the previous discussion. Cluster analysis continue to indicate high pressure across much of the NW CONUS while low pressure remains west of the Baja Peninsula early next week. Ridging flattens a bit Monday into Tuesday as a system passes to the east, then becomes more amplified by mid-week.

Dry weather, slightly above normal temperatures, and early morning patchy fog chances in the Valley continue through the period.