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

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 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 2:45 AM CDT Tuesday the stage was 8.4 feet. - Forecast. Flood stage may be reached late tomorrow evening. - Flood stage is 14.0 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.

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.

At 1053 AM CDT, Doppler radar was tracking clusters of strong thunderstorms at 50 mph. HAZARD. Winds in excess of 40 mph, minor flooding and pea size hail. SOURCE. Radar indicated. IMPACT. Gusty winds could blow around unsecured objects. Slowing or redirecting of traffic due to ponding or flowing water. Locations impacted include. Cedar Rapids, Independence, Anamosa, Vinton, Manchester, Marion, Hiawatha, Dyersville, Monticello, Robins, Jesup, Center Point, Epworth, Atkins, Farley, Urbana, Dysart, Central City, Fairbank, and Springville. This includes Interstate 380 between mile markers 22 and 55.

* 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. 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. Through 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. - 3 to 5 inches of rain have already fallen over portions of northern and north central Iowa. Slow moving storms with efficient rainfall rates will continue through the early morning hours, and could impact the morning commute.

* 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

FFWDMX The National Weather Service in Des Moines has issued a * Flash Flood Warning for. Northeastern Jasper County in central Iowa. Eastern Marshall County in central Iowa. Poweshiek County in central Iowa. Tama County in central Iowa. * Until 1230 PM CDT Tuesday. * At 626 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. As much as 4 to 5 inches of rain have fallen especially across eastern Jasper County. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is already occurring. HAZARD. Flash flooding caused by thunderstorms. SOURCE. Radar. IMPACT. Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include. Marshalltown, Newton, Grinnell, Toledo, Montezuma, Tama, Traer, Brooklyn, Dysart, Meskwaki Casino, Rock Creek Lake, Iowa Speedway, Gladbrook, Le Grand, Victor, Kellogg, Garwin, Gilman, Holiday Lake and Malcom.

At 659 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. As much as 5 and 6 inches of rain have fallen across portions of northeastern Jasper County, southern Marshall County and western Tama County. Additional heavy rainfall has occurred across northwestern Poweshiek County. Flash flooding is already occurring with reports of road closures due to water over the road. HAZARD. Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE. Radar. IMPACT. Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. Some locations that will experience flash flooding include. Marshalltown, Newton, Grinnell, Toledo, Montezuma, Tama, Traer, Brooklyn, Dysart, Meskwaki Casino, Rock Creek Lake, Iowa Speedway, Gladbrook, Le Grand, Victor, Kellogg, Garwin, Gilman, Holiday Lake and Malcom.

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 275 IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 38 COUNTIES IN CENTRAL IOWA BOONE DALLAS GRUNDY HAMILTON HARDIN JASPER MARSHALL POLK POWESHIEK STORY TAMA WEBSTER 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 ADAIR ADAMS CASS TAYLOR IN WEST CENTRAL IOWA AUDUBON CALHOUN CARROLL CRAWFORD GREENE GUTHRIE SAC THIS INCLUDES THE CITIES OF ACKLEY, ADAIR, ADEL, ALBIA, ALLERTON, AMES, ATLANTIC, AUDUBON, BAYARD, BEDFORD, BLOOMFIELD, BOONE, CARLISLE, CARROLL, CASEY, CEDAR FALLS, CENTERVILLE, CHARITON, CONRAD, CORNING, CORYDON, CRESTON, DENISON, DES MOINES, DIKE, DYSART, EARLHAM, EARLY, ELDORA, EXIRA, FONTANELLE, FORT DODGE, GLADBROOK, GREENFIELD, GRINNELL, GRUNDY CENTER, GUTHRIE CENTER, HUMESTON, INDIANOLA, IOWA FALLS, JEFFERSON, KNOXVILLE, LAKE CITY, LAKE VIEW, LAMONI, LENOX, LEON, MANSON, MARSHALLTOWN, MOUNT AYR, NEW MARKET, NEWTON, NORWALK, ODEBOLT, OSCEOLA, OSKALOOSA, OTTUMWA, PANORA, PELLA, PERRY, POMEROY, REINBECK, ROCKWELL CITY, SAC CITY, SCHALLER, SEYMOUR, STUART, TAMA, TOLEDO, TRAER, WALL LAKE, WATERLOO, WAUKEE, WEBSTER CITY, WELLSBURG, AND WINTERSET. * PRIMARY THREATS INCLUDE. SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 75 MPH POSSIBLE. ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE. A TORNADO OR TWO POSSIBLE. PROBABILITY TABLE: PROB OF 2 OR MORE TORNADOES : 20% PROB OF 1 OR MORE STRONG /EF2-EF5/ TORNADOES : 10% PROB OF 10 OR MORE SEVERE WIND EVENTS : 50% PROB OF 1 OR MORE WIND EVENTS >= 75 MPH : 50% PROB OF 10 OR MORE SEVERE HAIL EVENTS : 30% PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES : 10% PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS : 70% MEAN STORM MOTION /MPH/ : E 50

* 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.

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.

SEVERE THUNDERSTORM WATCH 275 REMAINS VALID UNTIL 1 PM CDT THIS AFTERNOON FOR THE FOLLOWING AREAS IN IOWA THIS 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. * PRIMARY THREATS INCLUDE. SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 75 MPH POSSIBLE. ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE. A TORNADO OR TWO POSSIBLE.

At 943 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 5 and 6 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing with several reports of roads closed due to flash flooding as well as flash flooding of homes and other buildings in some areas. HAZARD. Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE. Radar. IMPACT. Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. Some locations that will experience flash flooding include. Marshalltown, Newton, Grinnell, Toledo, Montezuma, Tama, Traer, Brooklyn, Dysart, Meskwaki Casino, Rock Creek Lake, Iowa Speedway, Gladbrook, Le Grand, Victor, Kellogg, Garwin, Gilman, Holiday Lake and Malcom.

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.

FFWDMX The National Weather Service in Des Moines has issued a * Flash Flood Warning for. Grundy County in central Iowa. Southeastern Hardin County in central Iowa. Northern Marshall County in central Iowa. Northern Tama County in central Iowa. Black Hawk County in northeastern Iowa. Southern Bremer County in northeastern Iowa. * Until 300 PM CDT Tuesday. * At 857 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD. Flash flooding caused by thunderstorms. SOURCE. Radar. IMPACT. Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include. Waterloo, Cedar Falls, Waverly, Eldora, Grundy Center, Evansdale, La Porte City, Hudson, Denver, Traer, Reinbeck, Dysart, Dike, Elk Run Heights, Conrad, Uni-Dome And McLeod Center, Waterloo Municipal Airport, Crossroads Mall, Gladbrook and Janesville.

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 275 IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON FOR THE FOLLOWING AREAS IN IOWA THIS 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.