One large storm system affects much of the country through the weekend producing some soaking rains and a few inches of snow. This low-pressure system begins in the Intermountain West today heads into the Northern Plains tonight, in the vicinity of the MN/Canada border Saturday evening, and to the Hudson Bay by Sunday evening. Initially, precipitation should be fairly scattered in the northwest and intermountain west today and develop in the central and northern Plains this afternoon/evening with mostly rain at lower elevations and a few inches of snow accumulation possible in the higher elevations of eastern and central ID, western MT, and western WY. This precipitation becomes more widespread into the overnight in the eastern Dakotas, eastern NE, western IA and much of MN, and continues east Saturday into the Great Lakes, and into the Northeast on Sunday. Scattered showers and storms will extend well to the south near a cold front as well affecting NW and west TX today and build east through the weekend with much of the eastern third of the country having at least a chance by Sunday. Severe weather should be pretty limited with only spotty chances in north-central NE and south-central SD this evening and then western IA, eastern KS, and western MO on Saturday.