More Flooding for Iowa, Central Plains This Week

By , Senior Meteorologist
May 27, 2013; 5:40 AM ET
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Additional flooding downpours over portions of the Plains will continue through the week and putting more lives at risk.

There is the potential for not only additional flash and urban flooding, but rising rivers in the region, Some rivers in Iowa are forecast to reach major flood stage this week.

Repeating Downpours

Downpours into Thursday night will focus from parts of eastern Kansas and eastern Nebraska to northern Missouri, much of Iowa, southern Wisconsin and central and northern Illinois.

Close to 10 inches of rain left some neighborhoods around San Antonio, Texas under water, Saturday, May 25, 2013. A similar scene was evolving over the central Plains this week. Image of the San Antonio area by breakingweather Twitter follower kingfontenette.

More rounds of drenching and severe thunderstorms will follow for the northern and central Plains into part of the Midwest through Saturday

This map shows expected rainfall Wednesday through Saturday.

In some cases multiple downpours will continue on a daily basis. With the ground saturated, much of the rain will run off into streams and rivers.

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Earlier Monday morning, an area near Grinnell, Iowa, reported a 24-hour rainfall total of nearly 7 inches. Runoff from that rain inundated and made some roads impassable. The Floyd and Little Sioux rivers in northwestern Iowa have reached record high levels.

This map shows forecast river levels and the degree of flooding by National Weather Service hydrologists. Avoid setting up camp in low lying areas along a small stream. During a downpour small streams can rise several feet in a matter of minutes. Do not drive through flooded roadways. Flooding less than knee high can push your vehicle into deep water.

Moderate to major flooding is forecast along portions of the Mississippi River the borders Illinois, Missouri and Iowa.

Severe Weather Outbreak Wednesday to Friday

An outbreak of severe weather is projected for the Central States this week. The bulk of the activity will begin Wednesday over the High Plains. The violent storms are forecast to spread slowly eastward over the lower Plains and Mississippi Valley Thursday into Friday.

The outbreak would feature the full spectrum of severe weather and could include a number of tornadoes.

Additional details are available now on Senior Meteorologist Kristina Pydynowski contributed to the content of this story.


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