From the National Weather Service:
A Fire Weather Watch means that critical fire weather conditions
• Timing… from noon on Wednesday until 6 p.m. early Wednesday evening.
• Winds… northwest 20 to 35 mph with gusts up to 50 mph.
• Relative humidity… as low as 14 percent.
• Impacts… gusty winds combined with dry fuels will increase the
potential for rapid fire growth and extreme fire behavior.