A strong upper low will remain across the northwestern US today, with scattered precipitation across the Inland Northwest and northern Great Basin becoming widespread across much of Montana and northern Wyoming and spreading onto the northern Plains. Snow will be likely above 7,000 feet, and snow levels could drop to 5,000 feet in areas. Gusty north-northeast winds up to 40 mph amid relative humidity of 20-50% will continue across southwest Oregon into northern California during the morning, gradually diminishing during the afternoon and overnight. Dry and breezy conditions will develop across the southern Great Basin, Desert Southwest, and West Slope ahead of a cold front. Isolated thunderstorms are likely in portions of the northern Great Basin and much of the Rockies onto the adjacent High Plains. Scattered thunderstorms will develop across much of the central and eastern Plains into the western Great Lakes, with severe thunderstorms likely on the central and southern High Plains into much of Oklahoma and north Texas. Another round of thunderstorms are likely from the central Gulf Coast to the Southeast Coast, including across Florida, with low relative humidity continuing in portions Texas and the Deep South.