RED FLAG WARNING FOR SCATTERED LIGHTNING. .Scattered thunderstorms will develop Wednesday afternoon and evening across southeast Oregon. Some of the storms will contain little rainfall, and combined with hot temperatures and low humidity will lead to critical fire weather conditions. The National Weather Service in Boise has issued a Red Flag Warning for lightning, which is in effect from noon MDT /11 AM PDT/ Wednesday to midnight MDT /11 PM PDT/ Wednesday night. * AFFECTED AREA. In Oregon, Fire Weather Zones 670 Burns BLM, 672 Southern Grasslands, 673 Central Canyonlands, 674 Northwestern Vale BLM and 675 Baker Valley. * TIMING. From noon MDT /11 AM PDT/ Wednesday to midnight MDT /11 PM PDT/ Wednesday night. * IMPACTS. Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. * THUNDERSTORMS. Scattered. * OUTFLOW WINDS. Isolated gusts up to 50 mph.