DRY AND BREEZY TO WINDY CONDITIONS EXPECTED ACROSS PORTIONS OF CENTRAL AND EASTERN OREGON AND SOUTH CENTRAL WASHINGTON THROUGH FRIDAY. .Warm, dry, and breezy to windy conditions are expected through Friday across portions of central and eastern Oregon and central Washington, especially through the Cascade gaps. Afternoon relative humidity will be low to very low, and overnight relative humidity recovery is forecast to be poor to moderate. Strongest winds are expected Friday. The National Weather Service in Pendleton has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 1 PM to 10 PM PDT Friday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA. Fire Weather Zone 690 Kittitas Valley. * TIMING. From 1 PM to 10 PM PDT Friday. * WINDS. West 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY. As low as 15 percent. * IMPACTS. Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.