The National Oceanic and Atmospheric Administration's weather service is predicting a 70 percent chance of rain by tonight and a 100 percent chance on Saturday.
Tonight's rain should come mostly after 11 p.m. with a wind between five and 10 miles per hour, and then continue into Saturday, when there will be a possibility of thunderstorms. The hardest rainfall is expected from mid-morning Saturday into Saturday afternoon.
The National Weather Service is estimating between a quarter to one-and-a-half inches of rain, except in foothill and mountain areas of the county, where it could be up to three inches.
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If you're planning on traveling through the Grapevine or other areas with high elevations, note the Weather Service is predicting snow levels to range between 5,000 and 6,000 feet ahead of the storm front then lower rapidly to around 3,00 feet Saturday night into Sunday.
"The low snow levels could impact major traffic corridors such as Interstate Five from the Grapevine to Castaic ... and Highway 33 in the Ventura County mountains," the Weather Service said.
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