Although the Red Flag Warning does not officially kick in until 5AM Thursday the winds will pick up in the very early hours before that. You will notice them in the mountains and coastal slopes as early as midnight.
Dry conditions will prevail throughout the county with poor recovery even along the immediate beaches.
Those levels will drop even further through the day Thrusday - the next two days and even nights will bring critically elevated fire weather to Southern California.
A RED FLAG WARNING is in effect for the inland valleys, foothills and mountains both Thursday and Friday for humidity levels around 5-10% and gusty E/NE winds near 40-50mph. Some gusts could near 60mph near mountain passes and foothills. Temperatures will be rising to near 100° inland, and near 90° at the coast both Thursday and Friday. Onshore winds return for Saturday and Sunday, giving much needed relief to the area. Temperatures will cool down for Saturday and even cooler Sunday and early next week.
Coast: clear and dry, breezy - low 50's to low 60's
Inland: clear and dry with increasing offshore winds - low 50's to low 60's
Mountains: clear and dry with increasing offshore winds - low to mid 50's
Deserts: clear and dry, breezy - mid 50's