Tropical Storm Colin will continue to track away from the U.S. East Coast through Sunday. Meanwhile, severe weather potential for portions of Montana and the Plains are forecast through Sunday. Critical fire weather conditions to persist across the Great Basin and interior Alaska the remainder of the weekend. Heat will build for the Plains, Ohio and Tennessee Valleys and Great Lakes into Monday. 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: