On Wednesday, Jan. 22, the Hughes fire broke out in Castaic amidst the red flag warning, spreading to over 9,000 acres by Wednesday evening as dry and windy weather affected the area.

Red flag conditions will continue through much of the week for parts of Southern California.

A particularly dangerous situation red flag warning is in place from noon Monday to 10 a.m. Tuesday local time for a large portion of Ventura and Los Angeles counties.

A Red Flag Warning that went into effect Monday for San Diego County mountains and valleys has been extended due to strong gusty winds and low relative humidity.

The dangerous fire conditions in Southern California are expected to last a little longer than previously anticipated. The red flag warning was set to expire at 2 p.m., but the Los Angeles County Sheriff’s Department said in an alert that it had been extended until 10 p.

The National Weather Service on Tuesday extended its red flag warning for Southern California until Thursday evening.

Red flag criteria is generally when relative humidity is at 15% or less, combined with sustained winds and/or gusts of 25 mph or greater. Both of these conditions must occur simultaneously for at least 3 hours in a 12 hour period, according to the NWS.

Unless conditions change, the restrictions will be in place within the city through 6 p.m. Thursday, Jan. 23, officials said.

Another round of Santa Ana winds in the forecast led to the extension of a Red Flag Warning for parts of San Diego County.