After a quiet weather weekend over the Plains and East, the weather will get more active beginning Monday with severe storms set to fire over parts of the central Plains.
A frontal boundary will slide into the Plains and set up across northern Texas, central Oklahoma and eastern Kansas on Monday.
Drier air from the north will clash with very warm and muggy air from the south, creating a battle zone over the eastern half of Oklahoma, southwestern Missouri, eastern Kansas and far north-central Texas Monday.
Cities including Oklahoma City and Tulsa, Okla., along with Wichita Falls, Texas, and Springfield, Mo., will have the highest risk of strong to severe thunderstorms Monday. The threat will primarily occur during the afternoon and evening hours.
The greatest threats will be isolated large hail to the size of golfballs and a few damaging wind gusts to 60 mph.
As the nighttime hours progress, leftover drenching thunderstorms will spread east and northward into the northwestern Arkansas and central Missouri.
Have a plan of action ready before the storms develop. Know what to do when severe weather is heading for your area.
As always, heed all severe weather watches and warnings and be prepared to take action when severe weather threatens.
Keep checking back with AccuWeather.com for the latest severe weather updates and be sure to visit the AccuWeather.com Severe Weather Center.
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.
East Coast (1775)
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.