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Home Return to list Areal Flood Watch 0009 Issued by the St. Louis Forecast Office
Action: New Issued At: 2026-06-24 11:54:11
054
WGUS63 KLSX 241653
FFALSX
URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service St Louis MO
1153 AM CDT Wed Jun 24 2026
ILZ058>060-064-065-069-070-074-098>102-MOZ041-047>052-059>065-072-
073-250800-
/O.NEW.KLSX.FA.A.0009.260625T1800Z-260626T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL-
Marion IL-Washington IL-Calhoun IL-Jersey IL-Madison IL-Saint
Clair IL-Monroe IL-Boone MO-Moniteau MO-Cole MO-Osage MO-Callaway
MO-Montgomery MO-Lincoln MO-Gasconade MO-Warren MO-Saint Charles
MO-Franklin MO-Saint Louis MO-Saint Louis City MO-Jefferson MO-
Crawford MO-Washington MO-
Including the cities of Saint Charles, Belleville, Columbia, Cahokia,
Fulton, Saint Louis, Litchfield, Alton, Salem, Centralia, Washington,
Vandalia, Union, Edwardsville, Jefferson City, and Sullivan
1153 AM CDT Wed Jun 24 2026
...FLOOD WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY
MORNING...
* WHAT...Flash 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, Saint
Clair IL and Washington IL and Missouri, including the following
areas, Boone MO, Callaway MO, Cole MO, Crawford MO, Franklin MO,
Gasconade MO, Jefferson MO, Lincoln MO, Moniteau MO, Montgomery MO,
Osage MO, Saint Charles MO, Saint Louis City MO, Saint Louis MO,
Warren MO and Washington MO.
* WHEN...From Thursday afternoon through Friday morning.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
* ADDITIONAL DETAILS...
- Multiple waves of thunderstorms capable of heavy rainfall.
- Some locations that may experience flooding include...
St. Louis, Columbia, OFallon, St. Charles, St. Peters,
Florissant, Chesterfield, Belleville, Jefferson City, Wildwood,
University City, Ballwin, Granite City, Wentzville, Alton,
Kirkwood, Maryland Heights, East St. Louis and Hazelwood.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
Elmore
Action: Area Extended Issued At: 2026-06-25 01:16:43
538
WGUS63 KLSX 250616
FFALSX
URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service St Louis MO
116 AM CDT Thu Jun 25 2026
ILZ079-097-MOZ036-042-074-075-084-085-099-252130-
/O.EXA.KLSX.FA.A.0009.260625T1800Z-260626T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Randolph IL-Pike IL-Pike MO-Audrain MO-Saint Francois MO-Sainte
Genevieve MO-Iron MO-Madison MO-Reynolds MO-
Including the cities of Bowling Green, Farmington, Pittsfield,
Mexico, Sparta, and Chester
116 AM CDT Thu Jun 25 2026
...FLOOD WATCH IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH FRIDAY
MORNING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Portions of Illinois, including the following areas, Pike
IL and Randolph IL and Missouri, including the following areas,
Audrain MO, Iron MO, Madison MO, Pike MO, Reynolds MO, Saint
Francois MO and Sainte Genevieve MO.
* WHEN...From 1 PM CDT this afternoon through Friday morning.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
* ADDITIONAL DETAILS...
- Multiple waves of thunderstorms capable of heavy rainfall.
- Some locations that may experience flooding include...
Farmington, Mexico, Chester, Bonne Terre, Bowling Green, Desloge,
Pittsfield, Ste. Genevieve, Sparta, Fredericktown, Vandalia, Red
Bud, Louisiana, Bismarck, Ironton, Leadwood, Bremen and Park
Hills.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
ILZ058>060-064-065-069-070-074-098>102-MOZ041-047>052-059>065-072-
073-252130-
/O.CON.KLSX.FA.A.0009.260625T1800Z-260626T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL-
Marion IL-Washington IL-Calhoun IL-Jersey IL-Madison IL-Saint
Clair IL-Monroe IL-Boone MO-Moniteau MO-Cole MO-Osage MO-Callaway
MO-Montgomery MO-Lincoln MO-Gasconade MO-Warren MO-Saint Charles
MO-Franklin MO-Saint Louis MO-Saint Louis City MO-Jefferson MO-
Crawford MO-Washington MO-
Including the cities of Salem, Edwardsville, Cahokia, Saint Charles,
Belleville, Vandalia, Alton, Jefferson City, Union, Centralia,
Sullivan, Columbia, Washington, Saint Louis, Fulton, and Litchfield
116 AM CDT Thu Jun 25 2026
...FLOOD WATCH REMAINS IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH
FRIDAY MORNING...
* WHAT...Flash 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, Saint
Clair IL and Washington IL and Missouri, including the following
areas, Boone MO, Callaway MO, Cole MO, Crawford MO, Franklin MO,
Gasconade MO, Jefferson MO, Lincoln MO, Moniteau MO, Montgomery MO,
Osage MO, Saint Charles MO, Saint Louis City MO, Saint Louis MO,
Warren MO and Washington MO.
* WHEN...From 1 PM CDT this afternoon through Friday morning.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
* ADDITIONAL DETAILS...
- Multiple waves of thunderstorms capable of heavy rainfall.
- Some locations that may experience flooding include...
St. Louis, Columbia, OFallon, St. Charles, St. Peters,
Florissant, Chesterfield, Belleville, Jefferson City, Wildwood,
University City, Ballwin, Granite City, Wentzville, Alton,
Kirkwood, Maryland Heights, East St. Louis and Hazelwood.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
BSH
Action: Continued Issued At: 2026-06-25 01:16:43
538
WGUS63 KLSX 250616
FFALSX
URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service St Louis MO
116 AM CDT Thu Jun 25 2026
ILZ079-097-MOZ036-042-074-075-084-085-099-252130-
/O.EXA.KLSX.FA.A.0009.260625T1800Z-260626T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Randolph IL-Pike IL-Pike MO-Audrain MO-Saint Francois MO-Sainte
Genevieve MO-Iron MO-Madison MO-Reynolds MO-
Including the cities of Bowling Green, Farmington, Pittsfield,
Mexico, Sparta, and Chester
116 AM CDT Thu Jun 25 2026
...FLOOD WATCH IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH FRIDAY
MORNING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Portions of Illinois, including the following areas, Pike
IL and Randolph IL and Missouri, including the following areas,
Audrain MO, Iron MO, Madison MO, Pike MO, Reynolds MO, Saint
Francois MO and Sainte Genevieve MO.
* WHEN...From 1 PM CDT this afternoon through Friday morning.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
* ADDITIONAL DETAILS...
- Multiple waves of thunderstorms capable of heavy rainfall.
- Some locations that may experience flooding include...
Farmington, Mexico, Chester, Bonne Terre, Bowling Green, Desloge,
Pittsfield, Ste. Genevieve, Sparta, Fredericktown, Vandalia, Red
Bud, Louisiana, Bismarck, Ironton, Leadwood, Bremen and Park
Hills.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
ILZ058>060-064-065-069-070-074-098>102-MOZ041-047>052-059>065-072-
073-252130-
/O.CON.KLSX.FA.A.0009.260625T1800Z-260626T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL-
Marion IL-Washington IL-Calhoun IL-Jersey IL-Madison IL-Saint
Clair IL-Monroe IL-Boone MO-Moniteau MO-Cole MO-Osage MO-Callaway
MO-Montgomery MO-Lincoln MO-Gasconade MO-Warren MO-Saint Charles
MO-Franklin MO-Saint Louis MO-Saint Louis City MO-Jefferson MO-
Crawford MO-Washington MO-
Including the cities of Salem, Edwardsville, Cahokia, Saint Charles,
Belleville, Vandalia, Alton, Jefferson City, Union, Centralia,
Sullivan, Columbia, Washington, Saint Louis, Fulton, and Litchfield
116 AM CDT Thu Jun 25 2026
...FLOOD WATCH REMAINS IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH
FRIDAY MORNING...
* WHAT...Flash 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, Saint
Clair IL and Washington IL and Missouri, including the following
areas, Boone MO, Callaway MO, Cole MO, Crawford MO, Franklin MO,
Gasconade MO, Jefferson MO, Lincoln MO, Moniteau MO, Montgomery MO,
Osage MO, Saint Charles MO, Saint Louis City MO, Saint Louis MO,
Warren MO and Washington MO.
* WHEN...From 1 PM CDT this afternoon through Friday morning.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
* ADDITIONAL DETAILS...
- Multiple waves of thunderstorms capable of heavy rainfall.
- Some locations that may experience flooding include...
St. Louis, Columbia, OFallon, St. Charles, St. Peters,
Florissant, Chesterfield, Belleville, Jefferson City, Wildwood,
University City, Ballwin, Granite City, Wentzville, Alton,
Kirkwood, Maryland Heights, East St. Louis and Hazelwood.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
BSH
Action: Continued Issued At: 2026-06-25 13:34:56
336
WGUS63 KLSX 251834
FFALSX
Flood Watch
National Weather Service St Louis MO
134 PM CDT Thu Jun 25 2026
ILZ058>060-064-065-069-070-074-079-097>102-MOZ036-041-042-047>052-
059>065-072>075-084-085-099-261200-
/O.CON.KLSX.FA.A.0009.000000T0000Z-260626T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL-
Marion IL-Washington IL-Randolph IL-Pike IL-Calhoun IL-Jersey IL-
Madison IL-Saint Clair IL-Monroe IL-Pike MO-Boone MO-Audrain MO-
Moniteau MO-Cole MO-Osage MO-Callaway MO-Montgomery MO-Lincoln MO-
Gasconade MO-Warren MO-Saint Charles MO-Franklin MO-Saint Louis
MO-Saint Louis City MO-Jefferson MO-Crawford MO-Washington MO-
Saint Francois MO-Sainte Genevieve MO-Iron MO-Madison MO-Reynolds
MO-
Including the cities of Salem, Pittsfield, Sullivan, Columbia,
Cahokia, Mexico, Centralia, Jefferson City, Edwardsville, Vandalia,
Union, Litchfield, Sparta, Alton, Fulton, Saint Charles, Washington,
Belleville, Farmington, Bowling Green, Saint Louis, and Chester
134 PM CDT Thu Jun 25 2026
...FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY MORNING...
* WHAT...Flash 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, Montgomery MO, Osage MO,
Pike 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...Through Friday morning.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
* ADDITIONAL DETAILS...
- Multiple waves of thunderstorms capable of heavy rainfall.
- Some locations that may experience flooding include...
St. Louis, Columbia, OFallon, St. Charles, St. Peters,
Florissant, Chesterfield, Belleville, Jefferson City, Wildwood,
University City, Ballwin, Granite City, Wentzville, Alton,
Kirkwood, Maryland Heights, East St. Louis and Hazelwood.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
Elmore
Action: Time Extended Issued At: 2026-06-25 14:55:59
516
WGUS63 KLSX 251955
FFALSX
URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service St Louis MO
255 PM CDT Thu Jun 25 2026
ILZ058>060-064-065-069-070-074-079-097>102-MOZ036-041-042-047>052-
059>065-072>075-084-085-099-261100-
/O.EXT.KLSX.FA.A.0009.000000T0000Z-260627T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL-
Marion IL-Washington IL-Randolph IL-Pike IL-Calhoun IL-Jersey IL-
Madison IL-Saint Clair IL-Monroe IL-Pike MO-Boone MO-Audrain MO-
Moniteau MO-Cole MO-Osage MO-Callaway MO-Montgomery MO-Lincoln MO-
Gasconade MO-Warren MO-Saint Charles MO-Franklin MO-Saint Louis
MO-Saint Louis City MO-Jefferson MO-Crawford MO-Washington MO-
Saint Francois MO-Sainte Genevieve MO-Iron MO-Madison MO-Reynolds
MO-
Including the cities of Salem, Pittsfield, Sullivan, Columbia,
Cahokia, Mexico, Centralia, Jefferson City, Edwardsville, Vandalia,
Union, Litchfield, Sparta, Alton, Fulton, Saint Charles, Washington,
Belleville, Farmington, Bowling Green, Saint Louis, and Chester
255 PM CDT Thu Jun 25 2026
...FLOOD WATCH NOW IN EFFECT THROUGH FRIDAY EVENING...
* WHAT...Flash 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, Montgomery MO, Osage MO,
Pike 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...Through Friday evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
* ADDITIONAL DETAILS...
- Multiple waves of thunderstorms capable of heavy rainfall.
- Some locations that may experience flooding include...
St. Louis, Columbia, OFallon, St. Charles, St. Peters,
Florissant, Chesterfield, Belleville, Jefferson City, Wildwood,
University City, Ballwin, Granite City, Wentzville, Alton,
Kirkwood, Maryland Heights, East St. Louis and Hazelwood.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
Elmore
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