Severe storms may erupt from Dallas to Chicago on Monday afternoon and continue into Monday night.
Heavy rain returning to the northern Plains will generate a renewed flood threat for the Red River.
The severe weather threat is winding down for the night after more than 20 reports of tornadoes through Sunday night.
Several tornadoes touched down from Oklahoma to Iowa, including near Wichita, Kan., and Oklahoma City, on Sunday.
Severe storms may erupt from Texas to Wisconsin on Monday as the storm system that spawned several tornadoes across the Plains on Saturday and Sunday shifts slowly to the east.
A slow-moving storm resulted in a week of below-normal temperatures that will likely continue into the week.
Smoke from fires in the Yucatan Peninsula will continue to affect parts of Texas and Louisiana for the first part of the week.
Despite advancements in tornado warning systems, 60 people die each year from tornadoes. This raises the question: why do people ignore tornado warnings?
Mount Saint Helens has erupted several times since the destructive 1980 eruption, and likely will again in the future.
Keep up to date on the severe thunderstorm outbreak unfolding across the Plains by tracking local radars.
Seven homes have been red tagged, meaning do not occupy, and six others are under a voluntary evacuation order.
Niagara, Ontario (1996)
During a showing of the movie "Twister" at a local drive-in, a real twister struck. There was some flying debris, but nobody was hurt.
Alberta, Canada (1992)
Snowfall of 1-2" between Edmonton and Grand Prairie.
Patuxent River, MD (1996)