The weekend is ending with severe thunderstorms rumbling from the western Great Lakes to the Texas Panhandle and the Tennessee Valley.
Violent thunderstorms have and will remain most numerous across the western Great Lakes.
The weekend started off with a bang as damaging wind and hail-producing thunderstorms pounded the central High Plains. Even a couple of storms in southern Kansas and Nebraska spawned tornadoes late Saturday.
Similar powerful thunderstorms slammed northern Wisconsin and neighboring upper Michigan earlier this afternoon. Strong winds from one thunderstorm ripped the roof off an older building east of Stetsonville, Wis.
Additional severe thunderstorms will erupt into this evening not only across the western Great Lakes, but also southward to the Tennessee Valley and back to the Texas Panhandle.
Cities within this corridor include Green Bay, Wis., Chicago, Ill., St. Louis, Mo., Nashville, Tenn., and Lubbock, Texas.
The primary threats with the storms will continue to be damaging winds, hail and downpours. As is the case with all thunderstorms, frequent lightning is also expected.
It is not out of the question that a tornado touches down, especially across the western Great Lakes.
The thunderstorms will also bring disappointment for those hoping to catch a glimpse of today's solar eclipse.
The strongest thunderstorms are expected to weaken in intensity overnight.
On Monday, the cold front will track eastward, shifting the core of showers and thunderstorms into the Great Lakes and Ohio Valley down into the Deep South and southern Plains.
AccuWeather.com Senior Meteorologist Kristina Pydynowski contributed to the content of this story.
The late-season swelter will continue along much of the Atlantic Seaboard through the week as tens of millions head back to school and work.
Tropical Storm Dolly has formed in the southwestern Gulf of Mexico's Bay of Campeche and will continue its west-northwest path during the next couple of days.
A second volcanic eruption occurred on Sunday morning in Iceland in the same area that had one on Friday.
Severe thunderstorms will threaten holiday festivities across parts of the Midwest and central Plains to close out the extended Labor Day weekend.
While flooding is a threat, monsoonal rains will be beneficial for most areas across northwest India this week.
Gusty winds, large hail and power outages occurred Sunday into Monday morning in the north-central United States.
Matecumbe Key, FL (1935)
Labor Day Hurricane hit Florida. Pressure at Matecumbe Key dipped to 26.35"/892.3 mb. Most intense hurricane ever to hit the U.S. with 200-mph wind. Tide of 15 feet; 408 dead.
Mecca, CA (1950)
126 degrees - highest ever for U.S. in Sept.
East Coast (1775)