Starting late Friday night, a strong Pacific storm is expected bring up to 2 inches of snow to the mountains and several inches of rain to the rest of the region.
According to the National Weather Service, the storm could lower the snow level to 5,000 feet.
The storm will also drop between two and five inches of rain around the county, the agency advised.
Thunderstorms are also possible late Friday night through Saturday, as are strong gusty winds.
Temperatures throughout the region are expected to range from the low 30s to the low 60s during the storm, which will likely continue through Saturday.
“A slow drying and warming is expected for Sunday and Monday as the storm moves east,” the National Weather Service advised.