|
Home Return to list Flash Flood Warning 0058 Issued by the St. Louis Forecast Office
Action: New Issued At: 2026-08-06 04:35:36
487
WGUS53 KLSX 060935
FFWLSX
MOC139-183-219-061330-
/O.NEW.KLSX.FF.W.0058.260806T0935Z-260806T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service St Louis MO
435 AM CDT Thu Aug 6 2026
The National Weather Service in St Louis has issued a
* Flash Flood Warning for...
Southern Montgomery County in east central Missouri...
Southwestern Saint Charles County in east central Missouri...
Warren County in east central Missouri...
* Until 830 AM CDT.
* At 435 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. The expected rainfall rate is 1
to 3 inches in 1 hour. Flash flooding is ongoing or expected to
begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar indicated.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Warrenton, Wright City, Hermann, Marthasville, Jonesburg,
Truesdale, Innsbrook, Treloar, Big Spring, Dutzow, Foristell, High
Hill, Rhineland, McKittrick, Holstein and Americus.
This includes Interstate 70 in Missouri between exits 179 and 203.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3888 9164 3887 9095 3854 9094 3856 9101
3861 9106 3860 9113 3862 9122 3865 9123
3871 9132 3870 9135 3871 9149 3868 9155
3870 9165
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1-3 INCHES IN 1 HOUR
$$
Kimble
Action: Continued Issued At: 2026-08-06 05:04:37
234
WGUS73 KLSX 061004
FFSLSX
Flash Flood Statement
National Weather Service St Louis MO
504 AM CDT Thu Aug 6 2026
MOC183-061014-
/O.CAN.KLSX.FF.W.0058.000000T0000Z-260806T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Saint Charles MO-
504 AM CDT Thu Aug 6 2026
...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHWESTERN SAINT CHARLES
COUNTY...
Flash flooding is no longer expected to pose a threat.
A Flood Watch remains in effect until 100 PM CDT Thursday for
portions of Illinois and Missouri.
A Flood Watch remains in effect until 1000 AM CDT for portions of
central, east central, and northeast Missouri.
&&
LAT...LON 3871 9149 3868 9155 3870 9165 3888 9164
3887 9096 3855 9096 3857 9102 3861 9106
3860 9113 3862 9122 3865 9123 3871 9132
3870 9135
$$
MOC139-219-061330-
/O.CON.KLSX.FF.W.0058.000000T0000Z-260806T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Montgomery MO-Warren MO-
504 AM CDT Thu Aug 6 2026
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 AM CDT THIS
MORNING FOR SOUTHERN MONTGOMERY AND WARREN COUNTIES IN EAST CENTRAL
MISSOURI...
At 504 AM CDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. The expected rainfall rate is 1 to 3
inches in 1 hour and 30 minutes. Flash flooding is ongoing or
expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar indicated.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Warrenton, Wright City, Hermann, Marthasville, Jonesburg,
Truesdale, Innsbrook, Treloar, Big Spring, Dutzow, Foristell, High
Hill, Rhineland, McKittrick, Holstein and Americus.
This includes Interstate 70 in Missouri between exits 179 and 200.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
&&
LAT...LON 3871 9149 3868 9155 3870 9165 3888 9164
3887 9096 3855 9096 3857 9102 3861 9106
3860 9113 3862 9122 3865 9123 3871 9132
3870 9135
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1-3 INCHES IN 1 HOUR AND 30 MINUTES
$$
Kimble
Action: Cancelled Issued At: 2026-08-06 05:04:37
234
WGUS73 KLSX 061004
FFSLSX
Flash Flood Statement
National Weather Service St Louis MO
504 AM CDT Thu Aug 6 2026
MOC183-061014-
/O.CAN.KLSX.FF.W.0058.000000T0000Z-260806T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Saint Charles MO-
504 AM CDT Thu Aug 6 2026
...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHWESTERN SAINT CHARLES
COUNTY...
Flash flooding is no longer expected to pose a threat.
A Flood Watch remains in effect until 100 PM CDT Thursday for
portions of Illinois and Missouri.
A Flood Watch remains in effect until 1000 AM CDT for portions of
central, east central, and northeast Missouri.
&&
LAT...LON 3871 9149 3868 9155 3870 9165 3888 9164
3887 9096 3855 9096 3857 9102 3861 9106
3860 9113 3862 9122 3865 9123 3871 9132
3870 9135
$$
MOC139-219-061330-
/O.CON.KLSX.FF.W.0058.000000T0000Z-260806T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Montgomery MO-Warren MO-
504 AM CDT Thu Aug 6 2026
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 AM CDT THIS
MORNING FOR SOUTHERN MONTGOMERY AND WARREN COUNTIES IN EAST CENTRAL
MISSOURI...
At 504 AM CDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. The expected rainfall rate is 1 to 3
inches in 1 hour and 30 minutes. Flash flooding is ongoing or
expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar indicated.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Warrenton, Wright City, Hermann, Marthasville, Jonesburg,
Truesdale, Innsbrook, Treloar, Big Spring, Dutzow, Foristell, High
Hill, Rhineland, McKittrick, Holstein and Americus.
This includes Interstate 70 in Missouri between exits 179 and 200.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
&&
LAT...LON 3871 9149 3868 9155 3870 9165 3888 9164
3887 9096 3855 9096 3857 9102 3861 9106
3860 9113 3862 9122 3865 9123 3871 9132
3870 9135
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1-3 INCHES IN 1 HOUR AND 30 MINUTES
$$
Kimble
Action: Continued Issued At: 2026-08-06 05:43:38
280
WGUS73 KLSX 061043
FFSLSX
Flash Flood Statement
National Weather Service St Louis MO
543 AM CDT Thu Aug 6 2026
MOC139-219-061330-
/O.CON.KLSX.FF.W.0058.000000T0000Z-260806T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Montgomery MO-Warren MO-
543 AM CDT Thu Aug 6 2026
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 AM CDT THIS
MORNING FOR SOUTHERN MONTGOMERY AND WARREN COUNTIES IN EAST CENTRAL
MISSOURI...
At 543 AM CDT, Doppler radar indicated that the heaviest rainfall had
ended. However, rain gauges indicate between 1 and 3 inches of rain
have fallen. Areas of flash flooding are likely to continue.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Warrenton, Wright City, Hermann, Marthasville, Jonesburg,
Truesdale, Innsbrook, Treloar, Big Spring, Dutzow, Foristell, High
Hill, Rhineland, McKittrick, Holstein and Americus.
This includes Interstate 70 in Missouri between exits 179 and 200.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
&&
LAT...LON 3871 9149 3868 9155 3870 9165 3888 9164
3887 9096 3855 9096 3857 9102 3861 9106
3860 9113 3862 9122 3865 9123 3871 9132
3870 9135
FLASH FLOOD...RADAR AND GAUGE INDICATED
$$
Kimble
Action: Cancelled Issued At: 2026-08-06 06:34:10
613
WGUS73 KLSX 061134
FFSLSX
Flash Flood Statement
National Weather Service St Louis MO
634 AM CDT Thu Aug 6 2026
MOC139-219-061144-
/O.CAN.KLSX.FF.W.0058.000000T0000Z-260806T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Montgomery MO-Warren MO-
634 AM CDT Thu Aug 6 2026
...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHERN MONTGOMERY AND
WARREN COUNTIES IN EAST CENTRAL MISSOURI...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
A Flood Watch remains in effect until 100 PM CDT Thursday for
portions of Illinois and Missouri.
A Flood Watch remains in effect until 1000 AM CDT for portions of
central, east central, and northeast Missouri.
&&
LAT...LON 3871 9149 3868 9155 3870 9165 3888 9164
3887 9096 3855 9096 3857 9102 3861 9106
3860 9113 3862 9122 3865 9123 3871 9132
3870 9135
$$
Kimble
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||