* WHAT. Flooding caused by excessive rainfall continues to be possible. * WHERE. Portions of northwest Illinois, including the following counties, Jo Daviess and Stephenson and Iowa, including the following counties, Benton, Buchanan, Delaware, Dubuque, Jackson, Jones and Linn. * 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. - Thunderstorms will develop in the tropical atmosphere early this morning and slowly move across the area. The possibility exists that storms may repeat over the same areas producing excessive rainfall through this evening. Rainfall rates may approach 2 inches per hour.

* WHAT. Flooding caused by excessive rainfall continues to be possible. * WHERE. Portions of northwest Illinois, including the following counties, Jo Daviess and Stephenson and Iowa, including the following counties, Benton, Buchanan, Delaware, Dubuque, Jackson, Jones and Linn. * WHEN. Until 10 PM CDT this evening. * IMPACTS. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS. - Thunderstorms will develop in the tropical atmosphere this afternoon and slowly move across the area. The possibility exists that storms may repeat over the same areas producing excessive rainfall through this evening. Rainfall rates may approach 2 inches per hour. - http://www.weather.gov/safety/flood

The National Weather Service in Quad Cities IA IL has issued a Flood Watch for the following rivers in Iowa. Cedar River at Palo Blairs Ferry Rd affecting Linn County. Cedar River at Cedar Rapids affecting Linn County. Cedar River at Cedar Bluff affecting Johnson, Muscatine and Cedar Counties. Cedar River near Conesville affecting Louisa and Muscatine Counties. . The Flood Watch is extended for the following rivers in Iowa. Cedar River at Vinton affecting Benton County. .Heavy rainfall on the upper Cedar River valley will result in rises on the Cedar River in the next few days. This could lead to flooding at these sites. * WHAT. Flooding is possible. Major flood stage could be observed. * WHERE. Cedar River at Cedar Rapids. * WHEN. From Wednesday morning until further notice. * IMPACTS. At 16.5 feet, Water affects the lowest sections of Ellis Road NW near the Ellis Pool and affects the entrance road to Ellis Boat Harbor on Ellis Road NW in Cedar Rapids. * ADDITIONAL DETAILS. - At 10:00 AM CDT Saturday the stage was 6.2 feet. - Forecast. Flood stage may be reached Wednesday morning. - Flood stage is 12.0 feet. - http://www.weather.gov/safety/flood

The National Weather Service in Quad Cities IA IL has issued a Flood Watch for the following rivers in Iowa. Cedar River at Palo Blairs Ferry Rd affecting Linn County. Cedar River at Cedar Rapids affecting Linn County. Cedar River at Cedar Bluff affecting Johnson, Muscatine and Cedar Counties. Cedar River near Conesville affecting Louisa and Muscatine Counties. . The Flood Watch is extended for the following rivers in Iowa. Cedar River at Vinton affecting Benton County. .Heavy rainfall on the upper Cedar River valley will result in rises on the Cedar River in the next few days. This could lead to flooding at these sites. * WHAT. Flooding is possible. * WHERE. Cedar River at Vinton. * WHEN. From Tuesday afternoon to early Friday morning. * IMPACTS. At 17.5 feet, Flood protection measures such as road closures and sandbagging begin. Water affects the intersections of East 2nd Street and 3rd Avenue and North 3rd Avenue and East 3rd Street in Vinton. * ADDITIONAL DETAILS. - At 10:15 AM CDT Saturday the stage was 7.9 feet. - Forecast. Flood stage may be reached early Tuesday afternoon. - Flood stage is 15.0 feet. - http://www.weather.gov/safety/flood

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 447 UNTIL 1 AM CDT SUNDAY WHICH REPLACES A PORTION OF TORNADO WATCH 446. THE NEW WATCH IS VALID FOR THE FOLLOWING AREAS IN IOWA THE NEW WATCH INCLUDES 1 COUNTY IN CENTRAL IOWA TAMA THIS INCLUDES THE CITIES OF DYSART, GLADBROOK, TAMA, TOLEDO, AND TRAER. * PRIMARY THREATS INCLUDE. SCATTERED DAMAGING WIND GUSTS TO 70 MPH LIKELY. 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 : 60% PROB OF 1 OR MORE WIND EVENTS >= 75 MPH : 20% 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 40

SEVERE THUNDERSTORM WATCH 447 REMAINS VALID UNTIL 1 AM CDT SUNDAY FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 8 COUNTIES IN CENTRAL IOWA POWESHIEK TAMA IN SOUTH CENTRAL IOWA APPANOOSE MAHASKA MONROE WAYNE IN SOUTHEAST IOWA DAVIS WAPELLO THIS INCLUDES THE CITIES OF ALBIA, ALLERTON, BLOOMFIELD, CENTERVILLE, CORYDON, DYSART, GLADBROOK, GRINNELL, HUMESTON, OSKALOOSA, OTTUMWA, SEYMOUR, TAMA, TOLEDO, AND TRAER. * PRIMARY THREATS INCLUDE. SCATTERED DAMAGING WIND GUSTS TO 70 MPH LIKELY. ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE. A TORNADO OR TWO POSSIBLE.

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 447 UNTIL 1 AM CDT SUNDAY WHICH REPLACES A PORTION OF TORNADO WATCH 446. THE NEW WATCH IS VALID FOR THE FOLLOWING AREAS IN ILLINOIS THE NEW WATCH INCLUDES 5 COUNTIES IN NORTHWEST ILLINOIS CARROLL JO DAVIESS ROCK ISLAND STEPHENSON WHITESIDE IN IOWA THE NEW WATCH INCLUDES 13 COUNTIES IN EAST CENTRAL IOWA BENTON CEDAR CLINTON IOWA JACKSON JOHNSON JONES LINN MUSCATINE SCOTT IN NORTHEAST IOWA BUCHANAN DELAWARE DUBUQUE THIS INCLUDES THE CITIES OF ANAMOSA, BETTENDORF, CEDAR RAPIDS, CLINTON, CREDIT ISLAND, DAVENPORT, DUBUQUE, FREEPORT, GALENA, INDEPENDENCE, IOWA CITY, MANCHESTER, MAQUOKETA, MARENGO, MOLINE, MOUNT CARROLL, MUSCATINE, ROCK ISLAND, STERLING, TIPTON, AND VINTON.

The National Weather Service in Des Moines IA has issued a Flood Warning for the following rivers in Iowa. Cedar River at Cedar Falls affecting Black Hawk County. Cedar River at Janesville affecting Bremer, Butler and Black Hawk Counties. Cedar River at Waterloo affecting Black Hawk County. * WHAT. Minor flooding is forecast. * WHERE. The Cedar River at Waterloo, or from the Waterloo-Cedar Falls city limits to Spring Creek near La Porte City. * WHEN. From late Sunday night to Thursday evening. * IMPACTS. At 17.0 feet, Many storm sewers are closed along the Cedar River. At 18.0 feet, The access road to wastewater treatment plant is closed. * ADDITIONAL DETAILS. - At 11:00 AM CDT Saturday the stage was 8.5 feet. - Forecast. The river is expected to rise above flood stage early Monday morning to a crest of 18.0 feet Tuesday morning. It will then fall below flood stage Thursday morning. - Flood stage is 13.0 feet.

The National Weather Service in Des Moines IA has issued a Flood Warning for the following rivers in Iowa. Shell Rock River at Shell Rock affecting Bremer, Butler and Black Hawk Counties. * WHAT. Minor flooding is forecast. * WHERE. The Shell Rock River at Shell Rock, or from Flood Creek near Clarksville to the Cedar River. * WHEN. From late tonight to early Friday morning. * IMPACTS. At 14.0 feet, Flooding occurs in Shell Rock primarily in residential yards. * ADDITIONAL DETAILS. - At 10:45 AM CDT Saturday the stage was 9.8 feet. - Forecast. The river is expected to rise above flood stage late tonight to a crest of 14.4 feet early Monday afternoon. It will then fall below flood stage Thursday afternoon. - Flood stage is 12.0 feet.