Heavy snow will shift into the Upper Midwest and Great Lakes as an arctic front continues south and east. Bitter cold and dangerous wind chills can be expected across the Northern Tier states and into the Central Great Plains. A Pacific weather system will bring a wintry mix in the mountains and rain to the lower elevations. Read More >
Coverage Map Notes
The coverage statistics and maps are calculated using a computer model and station data assuming ideal conditions. Coverage may be 5 to 10 percent below the computer predicted coverage for the following reasons: