WGUS63 KLSX 051831

FFALSX



URGENT - IMMEDIATE BROADCAST REQUESTED

Flood Watch

National Weather Service St Louis MO

131 PM CDT Wed Aug 5 2026



ILZ058-099>102-060945-

/O.EXA.KLSX.FA.A.0011.260806T0300Z-260806T1500Z/

/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

Greene IL-Jersey IL-Madison IL-Saint Clair IL-Monroe IL-

Including the cities of Belleville, Cahokia, Edwardsville, and Alton

131 PM CDT Wed Aug 5 2026



...FLOOD WATCH IN EFFECT FROM 10 PM CDT THIS EVENING THROUGH THURSDAY

MORNING...



* WHAT...Flash flooding caused by excessive rainfall continues to be

  possible.



* WHERE...A portion of southwest Illinois, including the following

  areas, Greene IL, Jersey IL, Madison IL, Monroe IL and Saint Clair

  IL.



* WHEN...From 10 PM CDT this evening through Thursday morning.



* IMPACTS...Excessive runoff may result in flooding of rivers,

  creeks, streams, and other low-lying and flood-prone locations.



* ADDITIONAL DETAILS...

  - Thunderstorms with high rainfall rates are expected to develop

    and track repeatedly over similar locations late this evening

    into Thursday morning, which will likely lead to areas of flash

    flooding.





PRECAUTIONARY/PREPAREDNESS ACTIONS...



You should monitor later forecasts and be prepared to take action

should Flash Flood Warnings be issued.



&&



$$



ILZ095>098-MOZ018-019-026-027-034>036-041-042-047>052-059>065-072-

073-060945-

/O.CON.KLSX.FA.A.0011.260806T0300Z-260806T1500Z/

/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

Adams IL-Brown IL-Pike IL-Calhoun IL-Knox MO-Lewis MO-Shelby MO-

Marion MO-Monroe MO-Ralls MO-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-

Including the cities of Mexico, Saint Charles, Saint Louis, Union,

Sullivan, Hannibal, Quincy, Columbia, Jefferson City, Washington,

Bowling Green, Fulton, Mount Sterling, and Pittsfield

131 PM CDT Wed Aug 5 2026



...FLOOD WATCH REMAINS IN EFFECT FROM 10 PM CDT THIS EVENING THROUGH

THURSDAY MORNING...



* WHAT...Flash flooding caused by excessive rainfall continues to be

  possible.



* WHERE...Portions of Illinois, including the following areas, Adams

  IL, Brown IL, Calhoun IL and Pike IL and Missouri, including the

  following areas, Audrain MO, Boone MO, Callaway MO, Cole MO,

  Crawford MO, Franklin MO, Gasconade MO, Jefferson MO, Knox MO,

  Lewis MO, Lincoln MO, Marion MO, Moniteau MO, Monroe MO, Montgomery

  MO, Osage MO, Pike MO, Ralls MO, Saint Charles MO, Saint Louis City

  MO, Saint Louis MO, Shelby MO, Warren MO and Washington MO.



* WHEN...From 10 PM CDT this evening through Thursday morning.



* IMPACTS...Excessive runoff may result in flooding of rivers,

  creeks, streams, and other low-lying and flood-prone locations.



* ADDITIONAL DETAILS...

  - Thunderstorms with high rainfall rates are expected to develop

    and track repeatedly over similar locations late this evening

    into Thursday morning, which will likely lead to areas of flash

    flooding.





PRECAUTIONARY/PREPAREDNESS ACTIONS...



You should monitor later forecasts and be prepared to take action

should Flash Flood Warnings be issued.



&&



$$



Pfahler