A Red Flag Warning has been issued for gusty winds and low humidity, which is in effect from 11 AM this morning to 8 PM PDT this evening. Southwest winds of 15 to 20 mph with gusts 30 to 40 mph with humidity ranging 9-20% for 3 to 6 hours. The combination of gusty winds and low humidity can cause fire to rapidly grow in size and intensity before first responders can contain them.