More tornadoes could hit Oklahoma after severe weather hit the state over the weekend

The heaviest rainfall is also expected to affect eastern Oklahoma and northwest Arkansas, as well as Missouri and Illinois in the Midwest, according to the weather service.

About 7 million people are under flood alert in parts of Oklahoma, Kansas, Missouri, Arkansa and North Texas, where more than 3 inches of rain is possible through tomorrow.

This storm system is expected to weaken on Tuesday and move east into the Mid-Mississippi Valley, ending the severe weather risk for Oklahoma and moving it toward Arkansas, Louisiana, Texas, the Mid-Mississippi Valley and the Midwest by Tuesday , the weather service said.

“As the low pressure center moves rapidly northeast across the Great Lakes Tuesday evening, the trailing cold front will weaken over time, resulting in a reduced threat of heavy rain and severe weather further east over the Mid-Mississippi Valley on Tuesday,” it said weather, the service said in an update Monday morning. “However, moderate to locally heavy rain with embedded thunderstorms is expected to advance into the Ohio and Tennessee valleys Tuesday night into Wednesday morning.”