...CRITICAL FIRE WEATHER CONDITIONS THIS AFTERNOON-EVENING... * WINDS...From the south, sustained 15 to 25 MPH, and gusting as high as 30 to 35 MPH. * RELATIVE HUMIDITY...As low as 10 to 16 percent during the afternoon in most places. * IMPACTS...Any fire that develops will spread quickly. Outdoor burning is not recommended. * ADDITIONAL DETAILS...Although relative humidity will steadily increase during the evening especially within counties along and east of Highway 281, this rise will be slower farther west, with some counties likely not seeing relative humidity improve above 25 percent until at least 10 PM.