Hazardous Weather Outlook for Affton, Missouri
Hazardous Weather Outlook
National Weather Service St Louis MO
248 PM CDT Wed May 1 2024
ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027-
034>036-041-042-047>052-059>065-072>075-084-085-099-022000-
Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL-
Marion IL-Washington IL-Randolph IL-Adams IL-Brown IL-Pike IL-
Calhoun IL-Jersey IL-Madison IL-Saint Clair IL-Monroe 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-Saint Francois MO-Sainte Genevieve MO-Iron MO-
Madison MO-Reynolds MO-
248 PM CDT Wed May 1 2024
This Hazardous Weather Outlook is for portions of eastern and
central Missouri as well as west central and southwest Illinois.
.DAY ONE...Tonight.
There is a chance of thunderstorms tonight in portions of the area.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
There is a chance of thunderstorms at times Thursday through
Tuesday. An isolated strong to severe thunderstorm is possible
Thursday afternoon and evening in central and eastern Missouri and
west- central Illinois with damaging winds and marginally severe
hail.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
Flood Warning for Affton, Missouri
Flood Statement
National Weather Service St Louis MO
1220 PM CDT Wed May 1 2024
...The Flood Warning is extended for the following rivers in
Illinois...Missouri...
Mississippi River at St. Louis.
Mississippi River at Chester.
Mississippi River near Herculaneum.
River forecasts are based on observed precipitation and forecast
precipitation for the next 24 hours.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.
This product, along with additional weather and stream information,
is available at https://water.weather.gov/ahps2/index.php?wfo=lsx.
The next statement will be issued late Thursday night at 1230 AM CDT.
ILC163-MOC189-510-030530-
/O.EXT.KLSX.FL.W.0045.000000T0000Z-240505T0600Z/
/EADM7.1.ER.240503T1200Z.240503T1200Z.240504T0000Z.NO/
1220 PM CDT Wed May 1 2024
...FLOOD WARNING NOW IN EFFECT UNTIL EARLY SUNDAY MORNING...
* WHAT...Minor flooding is forecast.
* WHERE...Mississippi River at St. Louis.
* WHEN...Until early Sunday morning.
* IMPACTS...At 30.0 feet, Floodwall at Lacledes Landing is closed.
Also at this level, the U.S. Coast Guard may prohibit all
recreational vessel traffic from just above the Chain of Rocks
Canal south entry to just below the mouth of the Meramec River.
* ADDITIONAL DETAILS...
- At 12:00 PM CDT Wednesday the stage was 29.2 feet.
- Forecast...The river will fall to 28.8 feet this afternoon.
It will then rise to flood stage Friday morning. It will fall
to 29.9 feet early Friday afternoon. It will then rise to
flood stage Friday evening. It will fall for the remainder of
the period.
- Flood stage is 30.0 feet.
Fld Observed Forecasts (7:00 am)
Location Stg Stage Thu Fri Sat Sun Mon
Mississippi River
St. Louis 30.0 29.2 29.4 30.0 29.4 26.3 23.3
LAT...LON 3881 9017 3883 9004 3826 9030 3826 9043
3873 9024
Flood Warning for Affton, Missouri
Flood Statement
National Weather Service St Louis MO
1210 PM CDT Wed May 1 2024
...The Flood Warning continues for the following rivers in
Missouri...
Meramec River near Arnold.
River forecasts are based on observed precipitation and forecast
precipitation for the next 24 hours.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.
This product, along with additional weather and stream information,
is available at https://water.weather.gov/ahps2/index.php?wfo=lsx.
The next statement will be issued late Thursday night at 1215 AM CDT.
MOC099-189-030515-
/O.EXT.KLSX.FL.W.0032.000000T0000Z-240506T0240Z/
/ARNM7.1.ER.240430T1955Z.240503T0000Z.240504T2040Z.NO/
1210 PM CDT Wed May 1 2024
...FLOOD WARNING NOW IN EFFECT UNTIL LATE SUNDAY EVENING...
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Meramec River near Arnold.
* WHEN...Until late Sunday evening.
* IMPACTS...At 27.0 feet, Meramec Bottom Road between Wells Road and
Kerth Road begins flooding near this height.
* ADDITIONAL DETAILS...
- At 11:30 AM CDT Wednesday the stage was 26.9 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 11:30 AM CDT Wednesday was 26.9 feet.
- Forecast...The river is expected to rise to a crest of 28.6
feet tomorrow evening. It will then fall below flood stage
Saturday afternoon.
- Flood stage is 24.0 feet.
Fld Observed Forecasts (7:00 am)
Location Stg Stage Thu Fri Sat Sun Mon
Meramec River
Arnold 24.0 26.9 28.1 28.2 25.3 21.4 18.0
LAT...LON 3848 9043 3848 9039 3846 9032 3841 9034
3845 9043
Flood Warning for Affton, Missouri
Flood Statement
National Weather Service St Louis MO
1059 AM CDT Wed May 1 2024
...The Flood Warning is extended for the following rivers in
Missouri...
Missouri River at St. Charles.
Missouri River at Washington.
Missouri River near Chamois.
Missouri River at Hermann.
...The Flood Warning is cancelled for the following rivers in
Missouri...
Missouri River at Jefferson City.
River forecasts are based on observed precipitation and forecast
precipitation for the next 24 hours.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.
This product, along with additional weather and stream information,
is available at https://water.weather.gov/ahps2/index.php?wfo=lsx.
The next statement will be issued this afternoon at noon CDT.
MOC183-189-030400-
/O.EXT.KLSX.FL.W.0036.000000T0000Z-240504T1912Z/
/SCLM7.1.ER.240430T0820Z.240501T0930Z.240503T1312Z.NO/
1059 AM CDT Wed May 1 2024
...FLOOD WARNING NOW IN EFFECT UNTIL EARLY SATURDAY AFTERNOON...
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Missouri River at St. Charles.
* WHEN...Until early Saturday afternoon.
* IMPACTS...At 28.0 feet, Near this height, Aubuchon Road and
Charbonier Road begin flooding between Teson Road and Riverwood
Estates Boulevard.
* ADDITIONAL DETAILS...
- At 10:30 AM CDT Wednesday the stage was 27.5 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 10:30 AM CDT Wednesday was 27.6 feet.
- Forecast...The river is expected to fall below flood stage
Friday morning and continue falling to 18.8 feet Monday
morning.
- Flood stage is 25.0 feet.
Fld Observed Forecasts (7:00 am)
Location Stg Stage Thu Fri Sat Sun Mon
Missouri River
St. Charles 25.0 27.5 26.6 25.1 23.0 20.4 18.8
LAT...LON 3886 9018 3881 9017 3859 9072 3865 9078
3891 9033