Isolated mixed wet and dry thunderstorms are possible over portions of central Idaho into southwest Montana. Isolated to scattered mainly wet thunderstorms are likely from north-central Washington into the northern Idaho Panhandle and northwest Montana, with scattered wet thunderstorms across the eastern slopes of the Rockies in Montana through central and eastern Montana into the Dakotas. Above normal temperatures will continue across the Columbia Basin to northern California and the northern Great Basin with relative humidity of 6-20%, but winds will be lighter at around 10 mph. Isolated to scattered monsoon thunderstorms are forecast across southeast California and the southern Great Basin into the Colorado Rockies and Southwest. Numerous showers and thunderstorms will develop across central and eastern Texas through the Southeast, with the heaviest rain likely across the Lower Mississippi Valley. Scattered showers and thunderstorms are likely across the western Great Lakes as well.