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Strong to severe thunderstorms will be possible in the lower Ohio Valley on Wednesday, along with the risk of flash flooding for parts of the northern plains and upper Midwest.
EFFORTS TO FIGHT FIRE IN NEW MEXICO HELPS BY THUNDERSTORMS
Record heat continues over the southern and central plains, with above-average temperatures spreading across the mid-Atlantic and northeast.
Meanwhile, cold air and unstable weather will move northwest.
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Fire danger remains critical in parts of the southwest and across the central and southern plains on Thursday.