Illinois, Kentucky, Missouri Severe Flood Watch | Effective 08/19/2026 18:23

Headline: 
Flood Watch issued August 19 at 8:23PM CDT until August 20 at 7:00AM CDT by NWS Paducah KY
Event: 
Flood Watch
Urgency: 
Future
Effective: 
August 19, 2026 - 6:23pm
Expires: 
August 20, 2026 - 5:00am
Description: 
* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of southern Illinois, including the following areas, Alexander, Gallatin, Hardin, Jackson, Johnson, Massac, Pope, Pulaski, Saline, Union and Williamson, western Kentucky, including the following areas, Ballard, Caldwell, Calloway, Carlisle, Christian, Crittenden, Daviess, Fulton, Graves, Henderson, Hickman, Hopkins, Livingston, Lyon, Marshall, McCracken, McLean, Muhlenberg, Todd, Trigg, Union KY and Webster, and southeast Missouri, including the following areas, Bollinger, Butler, Cape Girardeau, Carter, Mississippi, New Madrid, Perry MO, Ripley, Scott, Stoddard and Wayne MO. * WHEN...Until 7 AM CDT Thursday. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Training thunderstorms are forecast to produce a swath of very heavy rainfall across portions of our region from late this evening through the overnight. Rainfall rates of at least 2" per hour are possible. A swath of 2 to 5" storm total rainfall may be observed through Thursday morning. - http://www.weather.gov/safety/flood
Instruction: 
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
Area Description: 
Jackson; Williamson; Saline; Gallatin; Union; Johnson; Pope; Hardin; Alexander; Pulaski; Massac; Fulton; Hickman; Carlisle; Ballard; McCracken; Graves; Livingston; Marshall; Calloway; Crittenden; Lyon; Trigg; Caldwell; Union; Webster; Hopkins; Christian; Henderson; Daviess; McLean; Muhlenberg; Todd; Perry; Bollinger; Cape Girardeau; Wayne; Carter; Ripley; Butler; Stoddard; Scott; Mississippi; New Madrid
Forcast Office: 
NWS Paducah KY
Sender: 
w-nws.webmaster@noaa.gov