Redlands and Loma Linda residents were bracing Thursday for a cold front bringing wind, rain and temperatures 10 to 15 degrees below normal, while mountain residents to the north were preparing for more snow and a winter storm warning.
There was a 40 percent chance of showers for Redlands and Loma Linda on Thursday afternoon, with highs expected to peak in the mid-40s.
Overnight lows for Redlands and Loma Linda were expected near freezing, according to the National Weather Service, which issued a frost advisory and a freeze watch.
"A cold low pressure tough will sink south over the region preceded by strong and gusty westerly winds . . . showers . . . low snow levels down to around 2,500 feet by tonight," the Weather Service advised.
The winter storm warning was for elevations above 3,000 feet through 10 p.m. Jan. 10.
Snow showers and blowing snow were expected as the cold front moves quickly across the Transverse Ranges, from the L.A. County line to the San Gorgonio Pass, with snow levels below 3,000 feet possible by the evening.
Wind gusts of 60 miles per hour were possible in the mountains. Mountain locations named in the winter storm warning include Interstate 15 at Cajon Summit, Mountain Home Village, Forest Falls, Angelus Oaks, Barton Flats, Oak Glen, Pine Cove, and Idyllwild.