SAN DIEGO - Cold air has descended on San Diego with a vengeance and will persist right through the weekend.
10News Weathercaster Pat Brown said rainfall totals have been light, but the real threat remains the strong winds through Thursday night, in all areas of the county.
Once the winds start to diminish Friday, a Freeze Watch goes into effect from Friday evening through Saturday morning, something we rarely see in San Diego.
According to the National Weather Service, the showers began dousing the northwestern reaches of the county at around 4 a.m., and the cloudbursts moved through the rest of the region through the morning.
By midday, the rain had mostly ended, though scattered showers and some mountain snowfall were expected to continue into the evening, NWS reported.
Most coastal and inland-valley communities got less than one-tenth of an inch of precipitation, while some eastern highland locales saw somewhat more, with almost one-fifth of an inch falling in some spots, the federal agency reported.
In addition to plummeting temperatures, the blustery winds were clocked at more than 50 mph in some mountain locations, and more than 30 mph in the valleys and along the coast, NWS reported.
The windy conditions prompted the weather service to issue an airport weather warning for Lindbergh Field from noon to 8 p.m.
A winter-storm warning, meanwhile, was in effect for locales above 3,000 feet through 10 p.m., with up to four inches of snow expected to accumulate over the 4,000-foot level. Affected areas included Boulevard, Campo, Cuyamaca, Descanso, Julian, Mount Laguna, Pine Hills, Pine Valley, Ranchita, Santa Ysabel and Warner Springs.
Additionally, the NWS issued high-surf and coastal-flooding advisories, effective until 11 a.m. Saturday, as well as a high-wind warning for desert areas until 3 a.m. Friday.
Sunny skies will return in the aftermath of the storm, though it will remain chilly, according to forecasters. Temperatures were expected to be 10 to 15 degrees lower than normal for mid-January through the end of the weekend, possibly followed by a slight warming trend beginning Monday.
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