Flood Watch: Greene; Pike; Calhoun; Jersey; Madison; St. Clair; Monroe; Pike; Lincoln; Warren; St. Charles; Franklin; St. Louis; St. Louis City; Jefferson; Washington

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Flood Watch — Greene; Pike; Calhoun; Jersey; Madison; St. Clair; Monroe; Pike; Lincoln; Warren; St. Charles; Franklin; St. Louis; St. Louis City; Jefferson; Washington Severity: Severe. Certainty: Possible. * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of Illinois, including the following areas, Calhoun IL, Greene IL, Jersey IL, Madison IL, Monroe IL, Pike IL and Saint Clair IL and Missouri, including the following areas, Franklin MO, Jefferson MO, Lincoln MO, Pike MO, Saint Charles MO, Saint Louis City MO, Saint Louis MO, Warren MO and Washington MO. * WHEN...Until 1 PM CDT this afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Widespread showers and thunderstorms may yield isolated instances of flash flooding through early this afternoon.