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.

State an local officials held a news conference to update Angelenos on the status of the Hughes Fire. Los Angeles Fire Department Chief Anthony Marrone reported the blaze north of Los Angeles had grown to 9,

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.

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.

The National Weather Service issued red flag warnings until Friday morning for inland valleys and mountain areas.

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.

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