RED FLAG WARNING FOR SCATTERED LIGHTNING TODAY AND TOMORROW. .Scattered thunderstorms will develop THIS afternoon and evening and AGAIN tomorrow afternoon and evening across southeast Oregon. Some of the storms will contain little rainfall, gusty outflow winds, and combined with hot temperatures and low humidity will lead to critical fire weather conditions. . RED FLAG WARNING IN EFFECT FROM 2 PM TO 8 PM PDT THURSDAY FOR LIGHTNING FOR BURNS BLM AND SOUTHERN GRASSLANDS. WHICH ARE FIRE WEATHER ZONES 670 AND 672. The National Weather Service in Boise has issued a Red Flag Warning for lightning, which is in effect from 2 PM to 8 PM PDT Thursday. * AFFECTED AREA. In Oregon, Fire Weather Zones 670 Burns BLM and 672 Southern Grasslands. * TIMING. For the first Red Flag Warning, until 11 PM PDT this evening. For the second Red Flag Warning, from 2 PM to 8 PM PDT Thursday. * 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.