The National Weather Service said light rain is expected late Friday and Saturday, with cooler temperatures over the weekend.
Some light rain is possible Monday through Wednesday in Mendocino and Lake counties, according to the forecast.
The forecast said that clouds will begin moving into the area on Thursday, arriving along with light winds that are predicted to continue through Saturday.
That will be followed by chances of rain from Friday night to early Saturday.
The potential for rain also is in the forecast from Sunday night through Wednesday.
Conditions are expected to be cooler in the coming days, with nighttime temperatures in the low 30s and daytime temperatures dropping into the low 50s before rising into the 60s next week.
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