Update: Saturday, 8:45 AM: Unexpected cloud cover late Friday and early Saturday kept temperatures slightly higher than forecast, enough to prevent damage to most commercially grown fruit. Lows in most places were in the upper 20's. Forecasts call for more extreme cold over the weekend. ORIGINAL REPORT:
Valley citrus growers are in for a long night tonight, as what is expected to be the coldest evening of the year threatens to damage the region's citrus crop, with the most popular new variety, the mandarin orange, most at risk.