Severe thunderstorms and flash flooding are likely from parts of theOzarks to the Tennessee Valley tonight before the severe weather threatshifts south on Thursday toward the Southern Plains and Southeast......Heavy mountain snow and and moderate lower elevation rain graduallywanes across the Northern Rockies on Thursday......Above average temperatures remain across southern Texas and theSoutheast, while warmth also begins to build into the Northwestlate-week...Active weather is ongoing and e...