* WHAT. Flooding caused by excessive rainfall is possible. * WHERE. Portions of east central and northeast Iowa, including the following counties: in east central Iowa, Benton, Iowa, Johnson and Linn. In northeast Iowa, Buchanan and Delaware. * WHEN. Through this evening. * IMPACTS. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS. - http://www.weather.gov/safety/flood

* WHAT. Flash Flooding caused by excessive rainfall is possible. * WHERE. Portions of Iowa, including the following counties, Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard, Mitchell and Winneshiek and southeast Minnesota, including the following counties, Dodge, Fillmore, Houston, Mower, Olmsted, Wabasha and Winona. * WHEN. Through this evening. * IMPACTS. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS. - Multiple rounds of showers and thunderstorms will continue today. Some heavy rainfall has already occurred over parts of Dodge and Mower counties in southeast Minnesota near a stationary boundary. Additional rainfall, some heavy is forecast to occur with storms this morning as deeper moisture and a storm system approaches the area. More rain overspreads the area again this afternoon as the storm system moves through. Due to storms repeating over the same areas, locally heavy rain and flash flooding could occur. - http://www.weather.gov/safety/flood

WHAT..Periods of moderate to heavy rainfall with small hail and gusty winds to 45 to 50 mph possible. WHERE. Northern and Northeast Iowa WHEN. Through 4 AM CDT this Tuesday Morning IMPACTS. Standing and ponding water on roads and ditches can be expected. Visibilities may also be reduced during periods of heavier rainfall. PREPAREDNESS AND PRECAUTIONARY ACTIONS. Motorists should be prepared for minor urban flooding and ponding water on roads. Slow down during periods of lower visibilities, and also reduce speed to lower the risk of hydroplaning if you encounter standing water on roads.

The National Weather Service in Des Moines IA has issued a Flood Watch for the following rivers in Iowa. Black Hawk Creek at Hudson affecting Black Hawk county. * WHAT. Flooding is possible. * WHERE. The Black Hawk Creek at Hudson, or from the Black Hawk-Grundy County line. to the Cedar River in Waterloo. * WHEN. From Wednesday evening to late Thursday morning. * IMPACTS. At 14.0 feet, Water affects Watters Rd. Some residential evacuations may be needed. Water also affects Ridgeway Ave at US 63 in Waterloo. * ADDITIONAL DETAILS. - At 7:45 PM CDT Monday the stage was 8.1 feet. - Forecast. Flood stage may be reached late Wednesday evening. - Flood stage is 14.0 feet.

* WHAT. Flash flooding caused by excessive rainfall continues to be possible. * WHERE. Portions of central, north central, northeast, northwest, south central, southwest, and west central Iowa, including the following counties, in central Iowa, Boone, Dallas, Grundy, Hamilton, Hardin, Jasper, Marshall, Polk, Poweshiek, Story, Tama and Webster. In north central Iowa, Butler, Cerro Gordo, Franklin, Hancock, Humboldt, Kossuth, Winnebago, Worth and Wright. In northeast Iowa, Black Hawk and Bremer. In northwest Iowa, Emmet, Palo Alto and Pocahontas. In south central Iowa, Madison, Mahaska, Marion and Warren. In southwest Iowa, Adair and Cass. In west central Iowa, Audubon, Calhoun, Carroll, Crawford, Greene, Guthrie and Sac. * WHEN. From 1 AM CDT Tuesday through Tuesday evening. * IMPACTS. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas.

The National Weather Service in Quad Cities IA IL has issued a Flood Watch for the following rivers in Iowa. Iowa River at Marengo affecting Iowa and Benton Counties. * WHAT. Flooding is possible. * WHERE. Iowa River at Marengo. * WHEN. From late Tuesday night to Monday, May 27. * IMPACTS. At 15.0 feet, Water reaches the bottom of the levee surrounding Marengo. Water affects low lying agricultural land along the river * ADDITIONAL DETAILS. - At 7:00 PM CDT Monday the stage was 11.2 feet. - Forecast. Flood stage may be reached early Wednesday morning. - Flood stage is 15.0 feet