Cool and blustery conditions persisted through most of the Southland Tuesday — with wind advisories extended until 3 p.m. for the Santa Clarita Valley and Los Angeles Mountains, excluding the Santa Monica Range, and a freeze watch in place for the Antelope Valley beginning Tuesday evening, the National Weather Service said.

Monday’s wind advisories were allowed to expire for the L.A. coast, downtown L.A. and the San Fernando and San Gabriel valleys, but breezy conditions were expected to remain in other areas as a storm system moves out of the area.

Tuesday’s forecast for the L.A. Mountains called for steady winds of 20 to 30 miles per hour, with gusts to 45, according to the weather service.

The Santa Clarita Valley was looking at winds of 15 to 20 mph, with gusts to 45, through the afternoon.

NWS officials said the gusty winds could make driving difficult for high profile vehicles, and warned that tree limbs may fall and cause power outages. People also were urged to secure all outdoor objects that could blow away.

Meanwhile, in the Antelope Valley, winds were expected to range from 15 to 25 miles per hours with gusts to 40 — and chilly conditions were on the way Tuesday night into Wednesday morning.

Tuesday’s highs in the Antelope Valley were expected to top out in the 60s, with the forecast calling for areas of frost after midnight. Lows were expected to range from the mid-20s to mid-30s overnight.

The NWS warned that freezing can kill crops and sensitive vegetation, harm outdoor pets and livestock, and that extended exposure to cold can cause hypothermia.

Residents were warned to take steps to protect tender plants from the cold and plan for extra time to defrost vehicle windshields.

More cool temperatures were expected to persist in the Los Angeles area through the end of the week, with highs Tuesday in the mid-60s to lower 70s and winds still in the 15- to 25-mph range.

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