Active AlertsSaint Peters, MO

You should monitor later forecasts and be alert for possible FloodWarnings. Those living in areas prone to flooding should be preparedto take action should flooding develop.

* WHAT...Flooding caused by excessive rainfall is possible.* WHERE...Portions of Illinois, including the following areas, BondIL, Calhoun IL, Clinton IL, Fayette IL, Greene IL, Jersey IL,Macoupin IL, Madison IL, Marion IL, Monroe IL, Montgomery IL, PikeIL, 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, SaintCharles MO, Saint Francois MO, Saint Louis City MO, Saint LouisMO, 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 occurin poor drainage and urban areas.* ADDITIONAL DETAILS...- Several rounds of thunderstorms will be capable of producingheavy rainfall. This threat will be heightened for somelocations due to the heavy rainfall that fell Fridayafternoon and evening.