Heavy thunderstorms and rain threaten to pummel parts of the Midwest this weekend, causing flooding, hail and tornadoes.

The storms span from Oklahoma to Ohio and are expected to continue through Sunday in some areas. The National Weather Service issued flash flood warnings in multiple states along the storm’s path.

In Southwest Missouri, local emergency management officials are preparing for the worst. The land there is saturated from earlier rains. In Branson, Mo., lake levels are already high.

Federal meteorologists said creeks and streams are quickly flooding and roads may soon become impassible. Hail, heavy winds over 60 mph and tornadoes may also accompany the storm.

Up to 6 inches of rain could fall in Springfield and Branson. Some areas of Missouri could see as much as 8 inches.

Erin Hedlun, a spokeswoman for the Greene County Office of Emergency Management said the agency is preparing for a “worst-case scenario but hoping for the best.”

Branson Mayor Karen Best signed an emergency proclamation Friday. The storms are expected to sweep through the metro St. Louis area Saturday afternoon. 

Residents of Northern Arkansas also are bracing for the storms, which were poised to douse the area with up to two inches of rain overnight Friday. Hail, damaging winds and tornadoes also are possible.

Farther west, a late spring storm is expected to blanket parts of Colorado with multiple inches of snow, including 3 to 7 inches in metro Denver. 

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