San Francisco, CA – A frost advisory takes effect tonight in the North Bay Interior Valleys as temperatures drop to 32 degrees. Residents should prepare for freezing conditions before rain returns Thursday.
According to the National Weather Service, the advisory begins at 11 p.m. Wednesday and lasts until 9 a.m. Thursday, with the coldest temperatures expected in Sonoma Valley. Hypothermia is a concern for vulnerable populations, and frost could damage sensitive plants. Rain moves in Thursday night, with a 90% chance of precipitation.
Thursday will be mostly cloudy, with a high near 57°F and east winds at 5-10 mph. Rain becomes likely in the evening, with gusts up to 23 mph. The wet pattern continues into Friday with a 50% chance of rain before clearing out for the weekend.
Saturday and Sunday will bring sunshine and highs in the upper 50s, providing a break from the wet weather. However, another system could bring rain early next week.
Residents should take precautions against frost tonight and prepare for slick roads on Thursday. Stay updated with the latest forecasts and weather alerts.
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