LOS ANGELES (CBSLA.com) — Sub-freezing temperatures will continue during early-morning hours this week, forecasters said Wednesday.

According to the National Weather Service, a frost advisory was issued for the Antelope Valley due to a dry, cold air mass that occurred overnight.

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Temperatures in the area were between 32 to 35 degrees until the advisory expired at 9 a.m. today.

Meteorologists advised the public to bring animals indoors or place them in a barn to protect them from harm in the cold weather.

Measures should also be taken to protect sensitive plants and crops from sustaining damage.

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The coldest areas were expected to be in the Antelope Valley and interior valleys of San Luis Obispo and Santa Barbara counties, according to the NWS.

Forecasters added that isolated showers could appear in Riverside County.

Temperatures should reach a high of 50s in the Antelope Valley and upper 60s for the rest of Southern California.

A freeze watch will remain in effect from tonight until Thursday morning.

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