Nov 10, 2012 5:19 PM by Kathy Kuretich
The National Weather Service has issued a freeze warning for the interior valleys of San Luis Obispo, and a frost advisory for Santa Barbara County's interior valleys, tonight into Sunday morning.
After that, a freeze watch goes into effect until Monday morning for both counties.
Very cold air behind the storm system will drop temperatures into the upper 20's overnight.
If possible, bring in your pets and plants.
It's also a good time to check your heating system to make sure it's functioning properly and replace your filter.
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