* WHAT. Flooding caused by excessive rainfall is possible. * WHERE. Portions of Illinois, including the following areas, Bond IL, Calhoun IL, Clinton IL, Fayette IL, Greene IL, Jersey IL, Macoupin IL, Madison IL, Marion IL, Monroe IL, Montgomery IL, Pike IL, Randolph IL, Saint Clair IL and Washington IL and Missouri, including the following areas, Audrain MO, Boone MO, Callaway MO, Cole MO, Crawford MO, Franklin MO, Gasconade MO, Iron MO, Jefferson MO, Lincoln MO, Madison MO, Moniteau MO, Monroe MO, Montgomery MO, Osage MO, Pike MO, Ralls MO, Reynolds MO, Saint Charles MO, Saint Francois MO, Saint Louis City MO, Saint Louis MO, Sainte Genevieve MO, Warren MO and Washington MO. * WHEN. From 1 AM CDT Sunday through late Sunday night. * 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. - Several rounds of thunderstorms will be capable of producing heavy rainfall. This threat will be heightened for some locations due to the heavy rainfall that fell Friday afternoon and evening.

* WHAT. Flooding caused by excessive rainfall continues to be possible. * WHERE. Portions of Illinois, including the following areas, Bond IL, Calhoun IL, Clinton IL, Fayette IL, Greene IL, Jersey IL, Macoupin IL, Madison IL, Marion IL, Monroe IL, Montgomery IL, Pike IL, Randolph IL, Saint Clair IL and Washington IL and Missouri, including the following areas, Audrain MO, Boone MO, Callaway MO, Cole MO, Crawford MO, Franklin MO, Gasconade MO, Iron MO, Jefferson MO, Lincoln MO, Madison MO, Moniteau MO, Monroe MO, Montgomery MO, Osage MO, Pike MO, Ralls MO, Reynolds MO, Saint Charles MO, Saint Francois MO, Saint Louis City MO, Saint Louis MO, Sainte Genevieve MO, Warren MO and Washington MO. * WHEN. From 1 AM CDT Sunday through late Sunday night. * 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. - Several rounds of thunderstorms will be capable of producing heavy rainfall, with between 2 and 5 inches possible. This threat will be heightened for some locations due to the heavy rainfall that fell Friday afternoon and evening.

* WHAT. Flooding caused by excessive rainfall is possible. * WHERE. The entire Quad State region. * WHEN. From 1 AM CDT /2 AM EDT/ Sunday through Monday morning. * IMPACTS. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS. - Strong to severe thunderstorms will be capable of producing heavy rainfall in multiple rounds of expected storm activity. Any such storm may bring flooding rains, especially if they repeat over the same areas. This threat will be heightened for some of our localities that have seen such localized heavy rainfall over the past few days, where their threshold for flooding will be more sensitive.

The National Weather Service in St Louis MO has issued a Flood Warning for the following rivers in Illinois. Illinois River at Hardin. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT. Minor flooding is occurring and minor flooding is forecast. * WHERE. Illinois River at Hardin. * WHEN. From this evening to early Tuesday afternoon. * IMPACTS. At 25.0 feet, Flood Stage. Lowland flooding of unprotected agricultural land begins. * ADDITIONAL DETAILS. - At 9:00 PM CDT Friday the stage was 25.6 feet. - Recent Activity. The maximum river stage in the 24 hours ending at 9:00 PM CDT Friday was 25.6 feet. - Forecast. The river is expected to rise to a crest of 26.8 feet just after midnight tonight. It will then fall below flood stage Monday morning. - Flood stage is 25.0 feet.

The National Weather Service in St Louis MO has issued a Flood Warning for the following rivers in Missouri. Illinois. Mississippi River at Louisiana. Mississippi River at Clarksville. Mississippi River at Hannibal. Mississippi River at Saverton. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT. Minor flooding is forecast. * WHERE. Mississippi River at Clarksville. * WHEN. From Monday morning until further notice. * IMPACTS. At 25.5 feet, State Route P east of Elsberry begins flooding just east of the levee. * ADDITIONAL DETAILS. - At 12:00 PM CDT Friday the stage was 24.3 feet. - Forecast. The river is expected to rise to a crest of 27.3 feet Thursday morning. It will then rise to 27.3 feet Thursday morning. Additional rises are possible thereafter. - Flood stage is 25.0 feet.

The National Weather Service in St Louis MO has issued a Flood Warning for the following rivers in Illinois. Missouri. Mississippi River at Winfield. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT. Minor flooding is forecast. * WHERE. Mississippi River at Winfield. * WHEN. From late Monday night until further notice. * IMPACTS. At 28.6 feet, Water begins covering Highway C about a half mile south of Highway B in St. Charles County. * ADDITIONAL DETAILS. - At 10:30 AM CDT Saturday the stage was 25.5 feet. - Forecast. The river is expected to rise to a crest of 28.5 feet Friday morning. It will then rise to 28.5 feet Friday morning. Additional rises are possible thereafter. - Flood stage is 26.0 feet.