Remnants of thunderstorms on the High Plains from Wednesday will re-fire farther east over the Mississippi Valley into Thursday night.
Warmth from the afternoon Thursday will give the storms new energy that will last into the evening hours as they move along.
There were more than 70 reports of large hail and damaging wind gusts from the storms on Wednesday.
People spending time outdoors should keep an eye out for rapidly changing weather conditions. Seek shelter indoors as the storms approach.
The storms bring the risk of golf ball-sized hail, 60-mph wind gusts, frequent lightning strikes and flash flooding.
Cities at risk for disruptions and minor damage from the storms include Jonesboro and Little Rock, Ark.; Memphis, Tenn.; Mt. Vernon, Ill.; Evansville, Ind.; Paducah, Ky.; Greenville, Miss.; and Springfield, Cape Girardeau and St. Louis, Mo.
Farther north in Illinois and southern Wisconsin, a couple of gusty downpours with thunder and lightning are in store. The sort of weather can affect Chicago and Milwaukee for a time.
As these storms cross major metro areas, the potential for travel delays will increase due to poor visibility, water running across roads and shifting winds at airports.
The storms will strengthen through the afternoon and into the early evening hours, before gradually weakening later on Thursday night.
The system responsible for the thunderstorms shift toward the Atlantic Seaboard on Friday.
Some locations from southern Virginia to northern Florida may be hit with a storm Friday afternoon and evening that bring strong, gusty winds, hail and flash flooding.
Soon after the current storm system exits the Atlantic coast, a much more extensive and potent severe weather outbreak is likely to erupt over Texas and the central and southern Plains later Saturday. This new outbreak may crawl eastward across the South and part of the Midwest, producing a multiple-day severe weather outbreak.
Storms forced the termination of the Idaho-Florida college football game at Ben Hill Griffin Stadium after just one play.
lightly above-normal temperatures are expected through the Labor Day weekend across the Los Angeles area.
Minneapolis is on the front line of a severe weather outbreak this Labor Day weekend.
Humidity and the threat of thunderstorms will continue in the Atlanta area through Friday.
Temperatures will remain in the 90s across the Metroplex through at least Thursday.
It will be unseasonably cool with a few showers around the Seattle area through at least Thursday.
Death Valley, CA (1971)
The high today was 108; the low 84. These were the coolest readings in the entire month. The average high during August was 115.7 degrees, and the low averaged 93.4.
Boise, ID (1984)
One-day-old Cadillac is crushed by a dumpster thrown by thunderstorm winds.
Houston, TX (1990)
A total of 0.31 inches of rain today. This was the first measurable rain in Houston since July 30th with 0.16 inches. This is the longest dry spell ever in Houston in August.