Flood Warning issued April 4 at 8:50PM CDT until April 5 at 2:45AM CDT by NWS St Louis MO

* WHAT...Urban areas and small streams flooding caused by excessive
rainfall is expected.

* WHERE...Portions of southwest Illinois, including the following
counties, southeastern Calhoun, south central Jersey and
northwestern Saint Clair and east central Missouri, including the
following counties and independent city, northeastern Saint
Charles, Saint Louis and Saint Louis City.

* WHEN...Until 245 AM CDT.

* IMPACTS...Flooding of rivers, creeks, streams, and other low-lying
and flood-prone locations is imminent or occurring. Streams
continue to rise due to excess runoff from earlier rainfall.
Expect many areas of slow moving or standing water. It will take
several hours for all the water from these storms to work through
local drainage systems in urban areas.

* ADDITIONAL DETAILS...
- At 850 PM CDT, Doppler radar and automated rain gauges
indicated heavy rain due to thunderstorms. Flooding is
ongoing or expected to begin shortly in the warned area.
Between 2 and 4 inches of rain have fallen.
- Additional rainfall amounts up to 1 inch are possible in the
warned area.
- Some locations that will experience flooding include...
St. Louis, St. Charles, St. Peters, Florissant, Chesterfield,
Wildwood, University City, Ballwin, Alton, Kirkwood, Maryland
Heights, East St. Louis, Hazelwood, Webster Groves, Ferguson,
Manchester, Godfrey, Creve Coeur, Overland and Clayton.