...WINDY AND BREEZY WITH CRITICAL RELATIVE HUMIDITY SATURDAY... .Windy conditions will develop with overlapping low relative humidity values Saturday across the Columbia Basin and Eastern Wallowa County. The National Weather Service in Pendleton has issued a Fire Weather Watch for wind and low relative humidity, which is in effect from Saturday morning through Saturday evening. * AFFECTED AREA...Fire Weather Zones 691 Lower Columbia Basin of Oregon, 691 Lower Columbia Basin of Washington and 693 Canyon Grasslands of Wallowa County. * TIMING...From Saturday morning through Saturday evening. * WINDS...West 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 20 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.