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

* 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

The Flood Watch continues 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 afternoon to tomorrow evening. * 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 8:45 AM CDT Tuesday the stage was 9.5 feet. - Forecast. Flood stage may be reached early tomorrow afternoon. - Flood stage is 14.0 feet.

* 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. Flooding caused by strong thunderstorms with excessive rainfall continues to be 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. Until 9 PM CDT 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. Flooding caused by strong thunderstorms with excessive rainfall continues to be 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. Until 9 PM CDT 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

The first round of precipitation is over and brought widespread rainfall amounts of 1 to 3 inches, heaviest near Austin to Byron Minnesota and across all of northeast Iowa. There have been reports of ponding of water and small creeks exceeding their banks. Additional rainfall amounts this evening are expected to be around an inch. Storms are expected to be fast moving, which will limit the flash flood threat, but ponding of water in poor drainage areas is expected. * WHAT. Flooding caused by excessive rainfall continues to be 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. Until 9 PM CDT this evening. * IMPACTS. Flooding may occur in poor drainage and urban areas. Area creeks and streams are running high and could flood with more heavy rain. * ADDITIONAL DETAILS. - A round of precipitation this morning brought widespread 1 to 3 inches of rain. Another around of precipitation this evening has the potential to bring another 1 to 1.5 inches of rain. - http://www.weather.gov/safety/flood

* WHAT. Flash flooding caused by excessive rainfall continues to be possible. * WHERE. Much of central Iowa. * WHEN. Until 7 PM CDT this 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. * ADDITIONAL DETAILS. - Rainfall of 3 to 5 inches with isolated higher amounts fell over parts of central Iowa last night into this morning and led to flash flooding in some areas. Additional round of storms is expected this afternoon that may cause new flash flooding or prolong or renew flash flooding in areas that experienced flash flooding earlier.

The National Weather Service in Des Moines IA has issued a Flood Watch for the following rivers in Iowa. Des Moines River at Fort Dodge affecting Webster County. Des Moines River near Stratford affecting Hamilton, Webster and Boone Counties. Des Moines River at Des Moines SE 6th St affecting Polk County. Raccoon River at Des Moines Fleur Dr affecting Polk County. North Raccoon River near Perry affecting Greene and Dallas Counties. . The Flood Watch continues 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 afternoon to tomorrow evening. * IMPACTS. At 12.0 feet, Storm sewers in Waterloo back up. 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 9:45 AM CDT Tuesday the stage was 10.0 feet. - Forecast. Flood stage may be reached early tomorrow afternoon. - Flood stage is 14.0 feet.

The National Weather Service in Quad Cities IA IL has issued a Flood Watch for the following rivers in Iowa. Wapsipinicon River near Anamosa Shaw Rd affecting Cedar, Linn and Jones Counties. . The Flood Watch is extended for the following rivers in Iowa. Wapsipinicon River near De Witt 4S affecting Clinton and Scott Counties. * WHAT. Flooding is possible. * WHERE. Wapsipinicon River near Anamosa Shaw Rd. * WHEN. From Thursday afternoon to early Monday morning. * IMPACTS. At 14.5 feet, Flood Stage. Lead Mine Road is completely covered. * ADDITIONAL DETAILS. - At 10:15 AM CDT Tuesday the stage was 8.1 feet. - Forecast. Flood stage may be reached Thursday afternoon. - Flood stage is 14.5 feet.

* WHAT. Flooding caused by excessive rainfall is occurring. * WHERE. Portions of central, north central, and northeast Iowa, including the following counties, in central Iowa, Grundy, Hardin, Jasper, Marshall, Polk, Poweshiek, Story and Tama. In north central Iowa, Butler and Franklin. In northeast Iowa, Black Hawk and Bremer. * WHEN. Until 1115 PM CDT Tuesday. * IMPACTS. Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS. - At 1115 AM CDT, Emergency management reported continued flooding in the warned area. Flooding is already occurring. Between 5 and 6 inches of rain have fallen. Additional showers and thunderstorms are expected this afternoon which may lead to renewed or additional flooding.

* WHAT. Flooding caused by excessive rainfall continues. * WHERE. Portions of central, north central, and northeast Iowa, including the following counties, in central Iowa, Grundy, Hardin, Jasper, Marshall, Polk, Poweshiek, Story and Tama. In north central Iowa, Butler and Franklin. In northeast Iowa, Black Hawk and Bremer. * WHEN. Until 1115 PM CDT Tuesday. * IMPACTS. Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations continues across portions of the warned area. * ADDITIONAL DETAILS. - At 207 PM CDT, Emergency management reported ongoing flooding across the warned area. Between 5 and 6 inches of rain have fallen. Emergency management also reports several roads closed due to flooding in the warned area including local, county and state roads. Flooding of homes and other buildings has been reported in a few locations as well.

The National Weather Service in Des Moines IA has issued a Flood Warning for the following rivers in Iowa. Iowa River near Tama Hwy E49 affecting Tama County. * WHAT. Minor flooding is forecast. * WHERE. The Iowa River near Tama Hwy E49, or from Timber Creek near Le Grand. to Salt Creek near Belle Plaine. * WHEN. From this afternoon to Tuesday, May 28. * IMPACTS. At 12.5 feet, Backwater from the Iowa River covers portions of Business 30 and S Prospect Dr in Toledo. At 12.8 feet, Water affects portions of C Ave and D Ave from US 30 to the south. * ADDITIONAL DETAILS. - At 10:00 AM CDT Tuesday the stage was 11.1 feet. - Forecast. The river will rise above flood stage late this afternoon to 12.9 feet this evening. It will then fall below flood stage late tonight to 11.4 feet tomorrow evening. It will rise above flood stage again early Friday afternoon to 12.9 feet early Sunday afternoon. It will then fall below flood stage again Monday evening. - Flood stage is 12.5 feet.

The Flood Warning continues for the following rivers in Iowa. Iowa River near Tama Hwy E49 affecting Tama County. East Nishnabotna River near Atlantic affecting Cass County. * WHAT. Minor flooding is occurring and minor flooding is forecast. * WHERE. The Iowa River near Tama Hwy E49, or from Timber Creek near Le Grand. to Salt Creek near Belle Plaine. * WHEN. Until Tuesday, May 28. * IMPACTS. At 12.5 feet, Backwater from the Iowa River covers portions of Business 30 and S Prospect Dr in Toledo. At 12.8 feet, Water affects portions of C Ave and D Ave from US 30 to the south. * ADDITIONAL DETAILS. - At 3:00 PM CDT Tuesday the stage was 12.5 feet. - Forecast. The river will rise to 12.9 feet this evening. It will then fall below flood stage late tonight to 11.4 feet tomorrow evening. It will rise above flood stage early Friday afternoon to 12.9 feet early Sunday afternoon. It will then fall below flood stage again Monday evening. - Flood stage is 12.5 feet.

* WHAT. Flooding caused by excessive rainfall continues. * WHERE. Portions of central, north central, and northeast Iowa, including the following counties, in central Iowa, Grundy, Hardin, Jasper, Marshall, Polk, Poweshiek, Story and Tama. In north central Iowa, Butler and Franklin. In northeast Iowa, Black Hawk and Bremer. * WHEN. Until 1115 PM CDT Tuesday. * IMPACTS. Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Numerous roads remain closed due to flooding. It will take several hours for all the water from these storms to work through local drainage systems in urban areas. * ADDITIONAL DETAILS. - At 215 PM CDT, Emergency management reported ongoing flooding across the warned area. Between 5 and 6 inches of rain have fallen. - Additional rainfall from showers and thunderstorms this afternoon may lead to renewed or additional flooding.

THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 277 IN EFFECT UNTIL 9 PM CDT THIS EVENING FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 32 COUNTIES IN CENTRAL IOWA BOONE DALLAS GRUNDY HAMILTON HARDIN JASPER MARSHALL POLK STORY WEBSTER IN NORTH CENTRAL IOWA BUTLER CERRO GORDO FRANKLIN HANCOCK HUMBOLDT KOSSUTH WINNEBAGO WORTH WRIGHT IN NORTHEAST IOWA BREMER IN NORTHWEST IOWA EMMET PALO ALTO POCAHONTAS IN SOUTHWEST IOWA ADAIR CASS IN WEST CENTRAL IOWA AUDUBON CALHOUN CARROLL CRAWFORD GREENE GUTHRIE SAC THIS INCLUDES THE CITIES OF ACKLEY, ADAIR, ADEL, ALGONA, ALLISON, AMES, APLINGTON, ATLANTIC, AUDUBON, BAYARD, BELMOND, BOONE, BRITT, CARROLL, CASEY, CLARION, CLARKSVILLE, CLEAR LAKE, CONRAD, DENISON, DES MOINES, DIKE, DUMONT, EAGLE GROVE, EARLY, ELDORA, EMMETSBURG, ESTHERVILLE, EXIRA, FONDA, FONTANELLE, FOREST CITY, FORT DODGE, GARNER, GILMORE CITY, GREENE, GREENFIELD, GRUNDY CENTER, GUTHRIE CENTER, HAMPTON, HUMBOLDT, IOWA FALLS, JEFFERSON, KANAWHA, LAKE CITY, LAKE MILLS, LAKE VIEW, LAURENS, MANLY, MANSON, MARSHALLTOWN, MASON CITY, NEWTON, NORTHWOOD, ODEBOLT, PANORA, PARKERSBURG, PERRY, POCAHONTAS, POMEROY, REINBECK, ROCKWELL CITY, ROLFE, SAC CITY, SCHALLER, SHELL ROCK, STUART, WALL LAKE, WAUKEE, WAVERLY, WEBSTER CITY, AND WELLSBURG. . THIS IS A PARTICULARLY DANGEROUS SITUATION. STRONG LONG LIVED TORNADOES MAY OCCUR. * PRIMARY THREATS INCLUDE. SEVERAL TORNADOES AND A FEW INTENSE TORNADOES LIKELY. WIDESPREAD DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 90 MPH LIKELY. SCATTERED LARGE HAIL LIKELY WITH ISOLATED VERY LARGE HAIL EVENTS TO 4 INCHES IN DIAMETER POSSIBLE. PROBABILITY TABLE: PROB OF 2 OR MORE TORNADOES : 90% PROB OF 1 OR MORE STRONG /EF2-EF5/ TORNADOES : 80% PROB OF 10 OR MORE SEVERE WIND EVENTS : 80% PROB OF 1 OR MORE WIND EVENTS >= 75 MPH : 60% PROB OF 10 OR MORE SEVERE HAIL EVENTS : 60% PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES : 50% PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS : >95% MEAN STORM MOTION /MPH/ : NE 50

THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 277 UNTIL 9 PM CDT THIS EVENING. SEVERE THUNDERSTORM WATCH 275 HAS EXPIRED. THE NEW WATCH IS VALID FOR THE FOLLOWING AREAS IN IOWA THE NEW WATCH INCLUDES 19 COUNTIES IN CENTRAL IOWA POWESHIEK TAMA IN NORTHEAST IOWA BLACK HAWK IN SOUTH CENTRAL IOWA APPANOOSE CLARKE DECATUR LUCAS MADISON MAHASKA MARION MONROE RINGGOLD UNION WARREN WAYNE IN SOUTHEAST IOWA DAVIS WAPELLO IN SOUTHWEST IOWA ADAMS TAYLOR THIS INCLUDES THE CITIES OF ALBIA, ALLERTON, BEDFORD, BLOOMFIELD, CARLISLE, CEDAR FALLS, CENTERVILLE, CHARITON, CORNING, CORYDON, CRESTON, DYSART, EARLHAM, GLADBROOK, GRINNELL, HUMESTON, INDIANOLA, KNOXVILLE, LAMONI, LENOX, LEON, MOUNT AYR, NEW MARKET, NORWALK, OSCEOLA, OSKALOOSA, OTTUMWA, PELLA, SEYMOUR, TAMA, TOLEDO, TRAER, WATERLOO, AND WINTERSET.

THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 277 UNTIL 9 PM CDT THIS EVENING. SEVERE THUNDERSTORM WATCH 275 HAS EXPIRED. THE NEW WATCH IS VALID FOR THE FOLLOWING AREAS IN IOWA THE NEW WATCH INCLUDES 13 COUNTIES IN EAST CENTRAL IOWA BENTON CEDAR IOWA JOHNSON JONES LINN IN NORTHEAST IOWA BUCHANAN DELAWARE IN SOUTHEAST IOWA HENRY IA JEFFERSON KEOKUK VAN BUREN WASHINGTON THIS INCLUDES THE CITIES OF ANAMOSA, CEDAR RAPIDS, FAIRFIELD, INDEPENDENCE, IOWA CITY, KEOSAUQUA, MANCHESTER, MARENGO, MOUNT PLEASANT, SIGOURNEY, TIPTON, VINTON, AND WASHINGTON.

THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 277 IN EFFECT UNTIL 9 PM CDT THIS EVENING FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 8 COUNTIES IN NORTH CENTRAL IOWA FLOYD MITCHELL IN NORTHEAST IOWA ALLAMAKEE CHICKASAW CLAYTON FAYETTE HOWARD WINNESHIEK IN MINNESOTA THIS WATCH INCLUDES 7 COUNTIES IN SOUTHEAST MINNESOTA DODGE FILLMORE HOUSTON MOWER OLMSTED WABASHA WINONA IN WISCONSIN THIS WATCH INCLUDES 2 COUNTIES IN WEST CENTRAL WISCONSIN BUFFALO TREMPEALEAU THIS INCLUDES THE CITIES OF ALMA, ARCADIA, AUSTIN, CALEDONIA, CHARLES CITY, CRESCO, DECORAH, DODGE CENTER, ELKADER, NEW HAMPTON, OELWEIN, OSAGE, PRESTON, ROCHESTER, WABASHA, WAUKON, WHITEHALL, AND WINONA.

The National Weather Service in Quad Cities IA IL has issued a Flood Warning for the following rivers in Iowa. Iowa River at Marengo affecting Iowa and Benton Counties. * WHAT. Minor flooding is forecast. * WHERE. Iowa River at Marengo. * WHEN. From this evening until further notice. * IMPACTS. At 16.0 feet, Flood Stage. Water affects agricultural land along the river. Water is several feet deep in places. * ADDITIONAL DETAILS. - At 9:00 AM CDT Tuesday the stage was 12.7 feet. - Forecast. The river is expected to rise above flood stage late this evening and continue rising to a crest of 16.2 feet early Friday afternoon. - Flood stage is 15.0 feet.