Alert archive / Missouri / River Flood Warnings in 2021

River Flood Warning 82, NWS St. Louis, MO

April 11, 2021Jefferson County, Saint Louis County, Missouri

NWS St. Louis, MO issued this river flood warning at Apr 11, 2021, 9:30 PM CDT for Jefferson County, Saint Louis County, Missouri. It took effect at Apr 12, 2021, 1:00 PM CDT. It was in force for 4 days.

The area

The outline as issued.

The facts

Issued
Apr 11, 2021, 9:30 PM CDT (02:30 UTC)
In effect from
Apr 12, 2021, 1:00 PM CDT
Expired
Apr 16, 2021, 8:46 AM CDT
In force
4 days
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Flood severity
Minor

Counties Jefferson County, MO, Saint Louis County, MO

The radar

The St Louis radar (KLSX), 37 km from the middle of the area, began a volume at 02:31 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The river

Written for the forecast point Meramec River at Arnold (ARNM7). The gauge peaked at 26.61 ft at Apr 14, 2021, 3:00 AM CDT.

actionminormoderate2025303504/1204/1304/1404/1504/1604/17
Action stage
22 ft
Minor stage
24 ft
Moderate stage
35 ft
Major stage
38 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 07019300, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The text

As transmitted.

390 
WGUS43 KLSX 120230
FLWLSX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service St Louis MO
930 PM CDT Sun Apr 11 2021

...The National Weather Service in St Louis MO has issued a Flood 
Warning 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...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

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.

  

&&


MOC099-189-131430-
/O.NEW.KLSX.FL.W.0082.210412T2308Z-210418T1800Z/
/ARNM7.1.ER.210412T2308Z.210414T1800Z.210417T1200Z.NO/
930 PM CDT Sun Apr 11 2021

The National Weather Service in St Louis has issued a

* Flood Warning for
  the Meramec River near Arnold.
* From Monday evening to Sunday afternoon.
* At 9:00 PM CDT Sunday the stage was 21.6 feet.
* Flood stage is 24.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage 
  tomorrow evening to a crest of 27.0 feet early Wednesday 
  afternoon. It will then fall below flood stage Saturday morning.
* Impact...At 27.0 feet, Meramec Bottom Road between Wells Road and 
  Kerth Road begins flooding near this height.

&&


             Fld   Observed        Forecasts (7 pm CDT)
Location     Stg   Stg   Day/Time  Mon   Tue   Wed   Thu   Fri

Meramec River
Arnold       24.0  21.6  Sun 9 pm  24.1  26.4  27.0  26.6  25.0





&&

LAT...LON 3848 9043 3848 9039 3846 9032 3841 9034
      3845 9043

$$

Elmore
9 follow-up statements
101 
WGUS83 KLSX 121614
FLSLSX

Flood Statement
National Weather Service St Louis MO
1114 AM CDT Mon Apr 12 2021

...The Flood Warning is extended for the following river in 
Missouri...

  Meramec River near Arnold.

River forecasts are based on observed precipitation and forecast 
precipitation for the next 24 hours.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

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.

  

&&


MOC099-189-140415-
/O.EXT.KLSX.FL.W.0082.210412T1800Z-210418T1800Z/
/ARNM7.1.ER.210412T1800Z.210415T0000Z.210417T1200Z.NO/
1114 AM CDT Mon Apr 12 2021

...The Flood Warning is now in effect until early Sunday afternoon...

The Flood Warning continues for
  the Meramec River near Arnold.
* Until Sunday afternoon.
* At 10:30 AM CDT Monday the stage was 23.9 feet.
* Flood stage is 24.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage this 
  afternoon to a crest of 27.7 feet Wednesday evening. It will then 
  fall below flood stage Saturday morning.
* Impact...At 27.0 feet, Meramec Bottom Road between Wells Road and 
  Kerth Road begins flooding near this height.

&&


             Fld   Observed        Forecasts (1 pm CDT)
Location     Stg   Stg   Day/Time  Tue   Wed   Thu   Fri   Sat

Meramec River
Arnold       24.0  23.9  Mon 10 am 26.4  27.6  27.2  25.5  23.4





&&

LAT...LON 3848 9043 3848 9039 3846 9032 3841 9034
      3845 9043

$$

MRM
918 
WGUS83 KLSX 130218
FLSLSX

Flood Statement
National Weather Service St Louis MO
918 PM CDT Mon Apr 12 2021

...The Flood Warning continues for the following rivers in 
Missouri...Illinois...

  Mississippi River at Grafton.

  Mississippi River at Chester.

  Mississippi River at Mel Price LD.

  Mississippi River at Winfield.

  Mississippi River at Saverton.

  Mississippi River at Hannibal.

  Mississippi River at Clarksville.

  Mississippi River at Louisiana.

  Meramec River near Arnold.

River forecasts are based on observed precipitation and forecast 
precipitation for the next 24 hours.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

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.

  

&&


ILC083-MOC183-141430-
/O.EXT.KLSX.FL.W.0081.000000T0000Z-210417T1800Z/
/GRFI2.1.ER.210413T0007Z.210414T0000Z.210416T1200Z.NO/
918 PM CDT Mon Apr 12 2021

...The Flood Warning is now in effect until early Saturday 
afternoon...

The Flood Warning continues for
  the Mississippi River at Grafton.
* Until Saturday afternoon.
* At 8:30 PM CDT Monday the stage was 20.1 feet.
* Flood stage is 20.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 8:30 PM CDT Monday was 20.1 feet.
* Forecast...The river is expected to rise to a crest of 20.6 feet 
  tomorrow evening. It will then fall below flood stage Friday 
  morning.
* Impact...At 21.0 feet, Water begins flooding the floor at the 
  Palisades Marina in Portage Des Sioux.  Access to homes along 
  North Shore Drive in eastern St. Charles County becomes cut off 
  near this height.

&&


                 Fld   Observed        Forecasts (7 pm CDT)
Location         Stg   Stg   Day/Time  Tue   Wed   Thu   Fri   Sat

Mississippi River
Grafton          20.0  20.1  Mon 8 pm  20.6  20.6  20.3  19.5  18.5





&&

LAT...LON 3881 9057 3888 9057 3899 9046 3895 9028
      3882 9048

$$

ILC077-157-MOC157-186-141430-
/O.EXT.KLSX.FL.W.0080.000000T0000Z-210419T1618Z/
/CHSI2.1.ER.210412T1813Z.210415T1200Z.210418T1017Z.NO/
918 PM CDT Mon Apr 12 2021

...The Flood Warning is now in effect until late Monday morning...

The Flood Warning continues for
  the Mississippi River at Chester.
* Until Monday morning.
* At 9:00 PM CDT Monday the stage was 27.8 feet.
* Flood stage is 27.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 9:00 PM CDT Monday was 27.8 feet.
* Forecast...The river is expected to rise to a crest of 31.4 feet 
  Thursday morning. It will then fall below flood stage early Sunday 
  morning.
* Impact...At 28.0 feet, Unleveed islands near Chester and the 
  prison farm floods.
* Impact...At 31.5 feet, In Perry County, Highway E is closed 
  between County Road 322 and Levee Road (County Road 354) at Bois 
  Brule Creek.

&&


                 Fld   Observed        Forecasts (7 pm CDT)
Location         Stg   Stg   Day/Time  Tue   Wed   Thu   Fri   Sat

Mississippi River
Chester          27.0  27.8  Mon 9 pm  30.3  31.2  31.3  30.5  28.2





&&

LAT...LON 3826 9043 3826 9030 3769 8935 3769 8959
      3787 9003

$$

ILC119-MOC183-141430-
/O.EXT.KLSX.FL.W.0078.000000T0000Z-210417T2100Z/
/ALNI2.1.ER.210412T1421Z.210414T0600Z.210416T1500Z.NO/
918 PM CDT Mon Apr 12 2021

...The Flood Warning is now in effect until Saturday afternoon...

The Flood Warning continues for
  the Mississippi River at Mel Price LD.
* Until Saturday afternoon.
* At 8:30 PM CDT Monday the stage was 22.1 feet.
* Flood stage is 21.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 8:30 PM CDT Monday was 22.1 feet.
* Forecast...The river is expected to rise to a crest of 23.5 feet 
  early Wednesday morning. It will then fall below flood stage late 
  Friday morning.
* Impact...At 23.0 feet, Dresser Island Drive floods within a foot 
  of this level.

&&


                 Fld   Observed        Forecasts (7 pm CDT)
Location         Stg   Stg   Day/Time  Tue   Wed   Thu   Fri   Sat

Mississippi River
Mel Price LD     21.0  22.1  Mon 8 pm  23.4  23.2  22.0  20.4  18.7





&&

LAT...LON 3891 9033 3895 9028 3883 9003 3881 9017
      3886 9017

$$

ILC013-MOC113-141430-
/O.EXT.KLSX.FL.W.0075.000000T0000Z-210418T1000Z/
/CAGM7.1.ER.210412T0450Z.210414T0000Z.210417T0400Z.NO/
918 PM CDT Mon Apr 12 2021

...The Flood Warning is now in effect until early Sunday morning...

The Flood Warning continues for
  the Mississippi River at Winfield.
* Until late Saturday night.
* At 8:30 PM CDT Monday the stage was 27.4 feet.
* Flood stage is 26.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 8:30 PM CDT Monday was 27.4 feet.
* Forecast...The river is expected to rise to a crest of 28.2 feet 
  tomorrow evening. It will then fall below flood stage late Friday 
  evening.
* Impact...At 27.8 feet, Near this height, Wilson Road just north of 
  Washeon Road and Lehmond Island Road south of Sunset Drive in 
  northern St. Charles County begin flooding.
* Impact...At 28.3 feet, Near this height, Lakeview Drive becomes 
  impassable and Kampville Road begins flooding in northern St. 
  Charles County.

&&


                 Fld   Observed        Forecasts (7 pm CDT)
Location         Stg   Stg   Day/Time  Tue   Wed   Thu   Fri   Sat

Mississippi River
Winfield         26.0  27.4  Mon 8 pm  28.2  28.0  27.2  26.2  25.0





&&

LAT...LON 3922 9081 3923 9071 3888 9057 3881 9057
      3887 9074

$$

ILC149-MOC173-141430-
/O.EXT.KLSX.FL.W.0074.000000T0000Z-210416T0600Z/
/SVRM7.1.ER.210411T2349Z.210413T0600Z.210415T0000Z.NO/
918 PM CDT Mon Apr 12 2021

...The Flood Warning is now in effect until early Friday morning...

The Flood Warning continues for
  the Mississippi River at Saverton.
* Until late Thursday night.
* At 8:00 PM CDT Monday the stage was 17.2 feet.
* Flood stage is 16.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 8:00 PM CDT Monday was 17.3 feet.
* Forecast...The river is expected to rise to a crest of 17.3 feet 
  just after midnight tonight. It will then fall below flood stage 
  Wednesday evening.
* Impact...At 15.5 feet, An access road to riverside raised homes on 
  the riverward side of the Sny levee begins to flood near this 
  level.

&&


                 Fld   Observed        Forecasts (7 pm CDT)
Location         Stg   Stg   Day/Time  Tue   Wed   Thu   Fri   Sat

Mississippi River
Saverton         16.0  17.2  Mon 8 pm  16.9  16.0  15.0  13.5  12.1





&&

LAT...LON 3967 9135 3974 9121 3970 9114 3952 9097
      3945 9111

$$

ILC149-MOC127-141430-
/O.EXT.KLSX.FL.W.0071.000000T0000Z-210416T1800Z/
/HNNM7.1.ER.210411T1145Z.210412T2200Z.210415T1200Z.NO/
918 PM CDT Mon Apr 12 2021

...The Flood Warning is now in effect until early Friday afternoon...

The Flood Warning continues for
  the Mississippi River at Hannibal.
* Until Friday afternoon.
* At 8:15 PM CDT Monday the stage was 19.0 feet.
* Flood stage is 17.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 8:15 PM CDT Monday was 19.0 feet.
* Forecast...The river is expected to rise to a crest of 19.0 feet 
  just after midnight tonight. It will then fall below flood stage 
  Thursday morning.
* Impact...At 19.0 feet, The Corps of Engineers begins flood fight 
  procedures.  At this level, preparations are made to install two 
  flood gates at Hill Street and Center Street if the forecast 
  exceeds 20.5 feet.

&&


                 Fld   Observed        Forecasts (7 pm CDT)
Location         Stg   Stg   Day/Time  Tue   Wed   Thu   Fri   Sat

Mississippi River
Hannibal         17.0  19.0  Mon 8 pm  18.5  17.6  16.6  15.6  14.7





&&

LAT...LON 3983 9148 3983 9135 3974 9121 3967 9135

$$

ILC013-MOC163-141430-
/O.EXT.KLSX.FL.W.0070.000000T0000Z-210418T1030Z/
/CLKM7.1.ER.210411T1242Z.210413T1200Z.210417T0430Z.NO/
918 PM CDT Mon Apr 12 2021

...The Flood Warning is now in effect until early Sunday morning...

The Flood Warning continues for
  the Mississippi River at Clarksville.
* Until late Saturday night.
* At 8:30 PM CDT Monday the stage was 27.6 feet.
* Flood stage is 25.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 8:30 PM CDT Monday was 27.6 feet.
* Forecast...The river is expected to rise to a crest of 27.8 feet 
  tomorrow morning. It will then fall below flood stage late Friday 
  evening.
* Impact...At 27.2 feet, Silo Park just northwest of Clarksville off 
  Highway 79 begins flooding.

&&


                 Fld   Observed        Forecasts (7 pm CDT)
Location         Stg   Stg   Day/Time  Tue   Wed   Thu   Fri   Sat

Mississippi River
Clarksville      25.0  27.6  Mon 8 pm  27.7  27.1  26.4  25.3  23.9





&&

LAT...LON 3939 9097 3945 9089 3938 9077 3923 9071
      3922 9081

$$

ILC149-MOC163-141430-
/O.EXT.KLSX.FL.W.0069.000000T0000Z-210418T0200Z/
/LUSM7.1.ER.210411T1126Z.210413T0600Z.210416T2000Z.NO/
918 PM CDT Mon Apr 12 2021

...The Flood Warning is now in effect until late Saturday evening...

The Flood Warning continues for
  the Mississippi River at Louisiana.
* Until Saturday evening.
* At 8:30 PM CDT Monday the stage was 17.4 feet.
* Flood stage is 15.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 8:30 PM CDT Monday was 17.4 feet.
* Forecast...The river is expected to rise to a crest of 17.5 feet 
  just after midnight tonight. It will then fall below flood stage 
  Friday afternoon.
* Impact...At 17.0 feet, The parking area at the boat house floods.

&&


                 Fld   Observed        Forecasts (7 pm CDT)
Location         Stg   Stg   Day/Time  Tue   Wed   Thu   Fri   Sat

Mississippi River
Louisiana        15.0  17.4  Mon 8 pm  17.4  16.7  16.0  14.8  13.3





&&

LAT...LON 3945 9111 3952 9097 3945 9089 3939 9097

$$

MOC099-189-141430-
/O.CON.KLSX.FL.W.0082.000000T0000Z-210418T1800Z/
/ARNM7.1.ER.210412T1611Z.210414T1800Z.210417T1200Z.NO/
918 PM CDT Mon Apr 12 2021

...The Flood Warning remains in effect...

The Flood Warning continues for
  the Meramec River near Arnold.
* Until Sunday afternoon.
* At 8:30 PM CDT Monday the stage was 25.2 feet.
* Flood stage is 24.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 8:30 PM CDT Monday was 25.2 feet.
* Forecast...The river is expected to rise to a crest of 27.5 feet 
  early Wednesday afternoon. It will then fall below flood stage 
  Saturday morning.
* Impact...At 27.0 feet, Meramec Bottom Road between Wells Road and 
  Kerth Road begins flooding near this height.

&&


             Fld   Observed        Forecasts (7 pm CDT)
Location     Stg   Stg   Day/Time  Tue   Wed   Thu   Fri   Sat

Meramec River
Arnold       24.0  25.2  Mon 8 pm  26.8  27.5  26.8  25.1  22.9





&&

LAT...LON 3848 9043 3848 9039 3846 9032 3841 9034
      3845 9043

$$

Elmore
292 
WGUS83 KLSX 131506
FLSLSX

Flood Statement
National Weather Service St Louis MO
1006 AM CDT Tue Apr 13 2021

...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...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

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.

  

&&


MOC099-189-150315-
/O.EXT.KLSX.FL.W.0082.000000T0000Z-210418T0417Z/
/ARNM7.1.ER.210412T1611Z.210414T0600Z.210416T2217Z.NO/
1006 AM CDT Tue Apr 13 2021

...The Flood Warning is now in effect until late Saturday evening...

The Flood Warning continues for
  the Meramec River near Arnold.
* Until Saturday evening.
* At 9:30 AM CDT Tuesday the stage was 26.2 feet.
* Flood stage is 24.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 9:30 AM CDT Tuesday was 26.2 feet.
* Forecast...The river is expected to rise to a crest of 26.7 feet 
  just after midnight tonight. It will then fall below flood stage 
  Friday afternoon.
* Impact...At 27.0 feet, Meramec Bottom Road between Wells Road and 
  Kerth Road begins flooding near this height.

&&


             Fld   Observed        Forecasts (1 pm CDT)
Location     Stg   Stg   Day/Time  Wed   Thu   Fri   Sat   Sun

Meramec River
Arnold       24.0  26.2  Tue 9 am  26.7  26.2  24.5  22.1  19.9





&&

LAT...LON 3848 9043 3848 9039 3846 9032 3841 9034
      3845 9043

$$

TES
046 
WGUS83 KLSX 140158
FLSLSX

Flood Statement
National Weather Service St Louis MO
858 PM CDT Tue Apr 13 2021

...The Flood Warning is extended for the following rivers in 
Missouri...Illinois...

  Mississippi River at Saverton.

...The Flood Warning continues for the following rivers in 
Missouri...Illinois...

  Meramec River near Arnold.

  Mississippi River at Grafton.

  Mississippi River at Chester.

  Mississippi River at Mel Price LD.

  Mississippi River at Winfield.

  Mississippi River at Hannibal.

  Mississippi River at Clarksville.

  Mississippi River at Louisiana.

River forecasts are based on observed precipitation and forecast 
precipitation for the next 24 hours.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

This product, along with additional weather and stream information, 
is available at https://water.weather.gov/ahps2/index.php?wfo=lsx.

  

&&


MOC099-189-151400-
/O.EXT.KLSX.FL.W.0082.000000T0000Z-210418T0400Z/
/ARNM7.1.ER.210412T1611Z.210414T1200Z.210416T2200Z.NO/
858 PM CDT Tue Apr 13 2021

...The Flood Warning is now in effect until late Saturday evening...

The Flood Warning continues for
  the Meramec River near Arnold.
* Until Saturday evening.
* At 8:30 PM CDT Tuesday the stage was 26.5 feet.
* Flood stage is 24.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 8:30 PM CDT Tuesday was 26.6 feet.
* Forecast...The river is expected to rise to a crest of 26.7 feet 
  tomorrow morning. It will then fall below flood stage Friday 
  afternoon.
* Impact...At 27.0 feet, Meramec Bottom Road between Wells Road and 
  Kerth Road begins flooding near this height.

&&


             Fld   Observed        Forecasts (7 pm CDT)
Location     Stg   Stg   Day/Time  Wed   Thu   Fri   Sat   Sun

Meramec River
Arnold       24.0  26.5  Tue 8 pm  26.7  25.8  23.8  21.6  19.3





&&

LAT...LON 3848 9043 3848 9039 3846 9032 3841 9034
      3845 9043

$$

ILC083-MOC183-151400-
/O.EXT.KLSX.FL.W.0081.000000T0000Z-210417T0900Z/
/GRFI2.1.ER.210413T0007Z.210414T0130Z.210416T0300Z.NO/
858 PM CDT Tue Apr 13 2021

...The Flood Warning is now in effect until early Saturday morning...

The Flood Warning continues for
  the Mississippi River at Grafton.
* Until late Friday night.
* At 8:30 PM CDT Tuesday the stage was 20.6 feet.
* Flood stage is 20.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 8:30 PM CDT Tuesday was 20.6 feet.
* Forecast...The river is expected to fall below flood stage late 
  Thursday evening and continue falling to 16.4 feet Monday evening.
* Impact...At 21.0 feet, Water begins flooding the floor at the 
  Palisades Marina in Portage Des Sioux.  Access to homes along 
  North Shore Drive in eastern St. Charles County becomes cut off 
  near this height.

&&


                 Fld   Observed        Forecasts (7 pm CDT)
Location         Stg   Stg   Day/Time  Wed   Thu   Fri   Sat   Sun

Mississippi River
Grafton          20.0  20.6  Tue 8 pm  20.5  20.1  19.0  17.8  17.1





&&

LAT...LON 3881 9057 3888 9057 3899 9046 3895 9028
      3882 9048

$$

ILC077-157-MOC157-186-151400-
/O.EXT.KLSX.FL.W.0080.000000T0000Z-210418T2308Z/
/CHSI2.1.ER.210412T1813Z.210415T0000Z.210417T1708Z.NO/
858 PM CDT Tue Apr 13 2021

...The Flood Warning is now in effect until Sunday evening...

The Flood Warning continues for
  the Mississippi River at Chester.
* Until Sunday evening.
* At 8:30 PM CDT Tuesday the stage was 29.9 feet.
* Flood stage is 27.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 8:30 PM CDT Tuesday was 29.9 feet.
* Forecast...The river is expected to rise to a crest of 30.5 feet 
  tomorrow evening. It will then fall below flood stage early 
  Saturday afternoon.
* Impact...At 31.5 feet, In Perry County, Highway E is closed 
  between County Road 322 and Levee Road (County Road 354) at Bois 
  Brule Creek.

&&


                 Fld   Observed        Forecasts (7 pm CDT)
Location         Stg   Stg   Day/Time  Wed   Thu   Fri   Sat   Sun

Mississippi River
Chester          27.0  29.9  Tue 8 pm  30.5  30.3  28.9  26.2  23.3





&&

LAT...LON 3826 9043 3826 9030 3769 8935 3769 8959
      3787 9003

$$

ILC119-MOC183-151400-
/O.EXT.KLSX.FL.W.0078.000000T0000Z-210417T0730Z/
/ALNI2.1.ER.210412T1421Z.210414T0130Z.210416T0130Z.NO/
858 PM CDT Tue Apr 13 2021

...The Flood Warning is now in effect until early Saturday morning...

The Flood Warning continues for
  the Mississippi River at Mel Price LD.
* Until late Friday night.
* At 8:30 PM CDT Tuesday the stage was 22.9 feet.
* Flood stage is 21.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 8:30 PM CDT Tuesday was 22.9 feet.
* Forecast...The river is expected to fall below flood stage 
  Thursday evening and continue falling to 14.2 feet Monday evening.
* Impact...At 23.0 feet, Dresser Island Drive floods within a foot 
  of this level.

&&


                 Fld   Observed        Forecasts (7 pm CDT)
Location         Stg   Stg   Day/Time  Wed   Thu   Fri   Sat   Sun

Mississippi River
Mel Price LD     21.0  22.9  Tue 8 pm  22.7  21.1  19.2  17.1  15.2





&&

LAT...LON 3891 9033 3895 9028 3883 9003 3881 9017
      3886 9017

$$

ILC013-MOC113-151400-
/O.EXT.KLSX.FL.W.0075.000000T0000Z-210417T0600Z/
/CAGM7.1.ER.210412T0450Z.210414T0100Z.210416T0000Z.NO/
858 PM CDT Tue Apr 13 2021

...The Flood Warning is now in effect until early Saturday morning...

The Flood Warning continues for
  the Mississippi River at Winfield.
* Until late Friday night.
* At 8:30 PM CDT Tuesday the stage was 27.7 feet.
* Flood stage is 26.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 8:30 PM CDT Tuesday was 27.7 feet.
* Forecast...The river is expected to rise to a crest of 27.7 feet 
  just after midnight tonight. It will then fall below flood stage 
  Thursday evening.
* Impact...At 27.8 feet, Near this height, Wilson Road just north of 
  Washeon Road and Lehmond Island Road south of Sunset Drive in 
  northern St. Charles County begin flooding.

&&


                 Fld   Observed        Forecasts (7 pm CDT)
Location         Stg   Stg   Day/Time  Wed   Thu   Fri   Sat   Sun

Mississippi River
Winfield         26.0  27.7  Tue 8 pm  27.2  26.0  24.4  22.8  22.0





&&

LAT...LON 3922 9081 3923 9071 3888 9057 3881 9057
      3887 9074

$$

ILC149-MOC173-151045-
/O.EXT.KLSX.FL.W.0074.000000T0000Z-210415T1043Z/
/SVRM7.1.ER.210411T2349Z.210412T2300Z.210414T0443Z.NO/
858 PM CDT Tue Apr 13 2021

...The Flood Warning is now in effect until early Thursday morning...

The Flood Warning continues for
  the Mississippi River at Saverton.
* Until late Wednesday night.
* At 8:00 PM CDT Tuesday the stage was 16.3 feet.
* Flood stage is 16.0 feet.
* Minor flooding is occurring.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 8:00 PM CDT Tuesday was 17.2 feet.
* Forecast...The river is expected to fall below flood stage late 
  this evening and continue falling to 10.8 feet Monday evening.
* Impact...At 15.5 feet, An access road to riverside raised homes on 
  the riverward side of the Sny levee begins to flood near this 
  level.

&&


                 Fld   Observed        Forecasts (7 pm CDT)
Location         Stg   Stg   Day/Time  Wed   Thu   Fri   Sat   Sun

Mississippi River
Saverton         16.0  16.3  Tue 8 pm  14.8  13.7  12.6  11.7  11.1





&&

LAT...LON 3967 9135 3974 9121 3970 9114 3952 9097
      3945 9111

$$

ILC149-MOC127-151400-
/O.EXT.KLSX.FL.W.0071.000000T0000Z-210416T0000Z/
/HNNM7.1.ER.210411T1145Z.210412T2200Z.210414T1800Z.NO/
858 PM CDT Tue Apr 13 2021

...The Flood Warning is now in effect until Thursday evening...

The Flood Warning continues for
  the Mississippi River at Hannibal.
* Until Thursday evening.
* At 8:15 PM CDT Tuesday the stage was 17.9 feet.
* Flood stage is 17.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 8:15 PM CDT Tuesday was 19.0 feet.
* Forecast...The river is expected to fall below flood stage early 
  tomorrow afternoon and continue falling to 14.1 feet Monday 
  evening.
* Impact...At 18.0 feet, The northern end of Southside Recreation #2 
  Park along Bear Creek begins flooding at this height. Gate wells 
  are shut down to prevent the sewers from backing up.  Also at this 
  level pumps are set to standby.

&&


                 Fld   Observed        Forecasts (7 pm CDT)
Location         Stg   Stg   Day/Time  Wed   Thu   Fri   Sat   Sun

Mississippi River
Hannibal         17.0  17.9  Tue 8 pm  16.7  15.9  15.2  14.7  14.3





&&

LAT...LON 3983 9148 3983 9135 3974 9121 3967 9135

$$

ILC013-MOC163-151400-
/O.EXT.KLSX.FL.W.0070.000000T0000Z-210417T0200Z/
/CLKM7.1.ER.210411T1242Z.210413T0930Z.210415T2000Z.NO/
858 PM CDT Tue Apr 13 2021

...The Flood Warning is now in effect until late Friday evening...

The Flood Warning continues for
  the Mississippi River at Clarksville.
* Until Friday evening.
* At 8:30 PM CDT Tuesday the stage was 27.5 feet.
* Flood stage is 25.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 8:30 PM CDT Tuesday was 27.8 feet.
* Forecast...The river is expected to fall below flood stage 
  Thursday afternoon and continue falling to 21.4 feet Monday 
  evening.
* Impact...At 27.2 feet, Silo Park just northwest of Clarksville off 
  Highway 79 begins flooding.

&&


                 Fld   Observed        Forecasts (7 pm CDT)
Location         Stg   Stg   Day/Time  Wed   Thu   Fri   Sat   Sun

Mississippi River
Clarksville      25.0  27.5  Tue 8 pm  26.1  24.8  23.6  22.6  21.8





&&

LAT...LON 3939 9097 3945 9089 3938 9077 3923 9071
      3922 9081

$$

ILC149-MOC163-151400-
/O.EXT.KLSX.FL.W.0069.000000T0000Z-210416T2200Z/
/LUSM7.1.ER.210411T1126Z.210413T0730Z.210415T1600Z.NO/
858 PM CDT Tue Apr 13 2021

...The Flood Warning is now in effect until Friday afternoon...

The Flood Warning continues for
  the Mississippi River at Louisiana.
* Until Friday afternoon.
* At 8:30 PM CDT Tuesday the stage was 17.0 feet.
* Flood stage is 15.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 8:30 PM CDT Tuesday was 17.5 feet.
* Forecast...The river is expected to fall below flood stage late 
  Thursday morning and continue falling to 12.3 feet Monday evening.
* Impact...At 17.0 feet, The parking area at the boat house floods.

&&


                 Fld   Observed        Forecasts (7 pm CDT)
Location         Stg   Stg   Day/Time  Wed   Thu   Fri   Sat   Sun

Mississippi River
Louisiana        15.0  17.0  Tue 8 pm  15.8  14.6  13.6  12.9  12.5





&&

LAT...LON 3945 9111 3952 9097 3945 9089 3939 9097

$$

Elmore
676 
WGUS83 KLSX 141809
FLSLSX

Flood Statement
National Weather Service St Louis MO
109 PM CDT Wed Apr 14 2021

...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...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

Caution is urged when walking near riverbanks.

This product, along with additional weather and stream information, 
is available at https://water.weather.gov/ahps2/index.php?wfo=lsx.

  

&&


MOC099-189-160615-
/O.EXT.KLSX.FL.W.0082.000000T0000Z-210417T2136Z/
/ARNM7.1.ER.210412T1611Z.210414T1015Z.210416T1536Z.NO/
109 PM CDT Wed Apr 14 2021

...The Flood Warning is now in effect until Saturday afternoon...

The Flood Warning continues for
  the Meramec River near Arnold.
* Until Saturday afternoon.
* At 12:00 PM CDT Wednesday the stage was 26.5 feet.
* Flood stage is 24.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 12:00 PM CDT Wednesday was 26.6 feet.
* Forecast...The river is expected to fall below flood stage late 
  Friday morning and continue falling to 15.3 feet Tuesday morning.
* Impact...At 26.0 feet, Athletic fields east of I-55 begin flooding 
  near this height.

&&


             Fld   Observed        Forecasts (1 pm CDT)
Location     Stg   Stg   Day/Time  Thu   Fri   Sat   Sun   Mon

Meramec River
Arnold       24.0  26.5  Wed 12 pm 25.5  23.8  21.3  18.7  16.5





&&

LAT...LON 3848 9043 3848 9039 3846 9032 3841 9034
      3845 9043

$$

MRB
040 
WGUS83 KLSX 150100
FLSLSX

Flood Statement
National Weather Service St Louis MO
800 PM CDT Wed Apr 14 2021

...The Flood Warning continues for the following river in Missouri...

  Meramec River near Arnold.

River forecasts are based on observed precipitation and forecast 
precipitation for the next 24 hours.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

This product, along with additional weather and stream information, 
is available at https://water.weather.gov/ahps2/index.php?wfo=lsx.

  

&&


MOC099-189-161300-
/O.CON.KLSX.FL.W.0082.000000T0000Z-210417T2136Z/
/ARNM7.1.ER.210412T1611Z.210414T1015Z.210416T1536Z.NO/
800 PM CDT Wed Apr 14 2021

...The Flood Warning remains in effect...

The Flood Warning continues for
  the Meramec River near Arnold.
* Until Saturday afternoon.
* At 7:30 PM CDT Wednesday the stage was 26.3 feet.
* Flood stage is 24.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast...The river is expected to fall below flood stage late 
  Friday morning.

&&


             Fld   Observed        Forecasts (7 pm CDT)
Location     Stg   Stg   Day/Time  Thu   Fri   Sat   Sun   Mon

Meramec River
Arnold       24.0  26.3  Wed 7 pm  25.1  23.2  20.6  18.1  16.0





&&

LAT...LON 3848 9043 3848 9039 3846 9032 3841 9034
      3845 9043

$$

Gosselin
795 
WGUS83 KLSX 151504
FLSLSX

Flood Statement
National Weather Service St Louis MO
1004 AM CDT Thu Apr 15 2021

...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...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

This product, along with additional weather and stream information, 
is available at https://water.weather.gov/ahps2/index.php?wfo=lsx.

  

&&


MOC099-189-170315-
/O.EXT.KLSX.FL.W.0082.000000T0000Z-210417T1800Z/
/ARNM7.1.ER.210412T1611Z.210414T1015Z.210416T1200Z.NO/
1004 AM CDT Thu Apr 15 2021

...The Flood Warning is now in effect until early Saturday 
afternoon...

The Flood Warning continues for
  the Meramec River near Arnold.
* Until Saturday afternoon.
* At 9:30 AM CDT Thursday the stage was 25.6 feet.
* Flood stage is 24.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 9:30 AM CDT Thursday was 26.6 feet.
* Forecast...The river is expected to fall below flood stage 
  tomorrow morning and continue falling to 13.9 feet Wednesday 
  morning.
* Impact...At 26.0 feet, Athletic fields east of I-55 begin flooding 
  near this height.

&&


             Fld   Observed        Forecasts (1 pm CDT)
Location     Stg   Stg   Day/Time  Fri   Sat   Sun   Mon   Tue

Meramec River
Arnold       24.0  25.6  Thu 9 am  23.5  20.0  17.0  15.2  14.2





&&

LAT...LON 3848 9043 3848 9039 3846 9032 3841 9034
      3845 9043

$$

Maples
400 
WGUS83 KLSX 160036
FLSLSX

Flood Statement
National Weather Service St Louis MO
736 PM CDT Thu Apr 15 2021

...The Flood Warning is extended for the following river in 
Missouri...

  Meramec River near Arnold.

River forecasts are based on observed precipitation and forecast 
precipitation for the next 24 hours.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

This product, along with additional weather and stream information, 
is available at https://water.weather.gov/ahps2/index.php?wfo=lsx.

  

&&


MOC099-189-171245-
/O.EXT.KLSX.FL.W.0082.000000T0000Z-210417T1912Z/
/ARNM7.1.ER.210412T1611Z.210414T1015Z.210416T1312Z.NO/
736 PM CDT Thu Apr 15 2021

...The Flood Warning is now in effect until early Saturday 
afternoon...

The Flood Warning continues for
  the Meramec River near Arnold.
* Until Saturday afternoon.
* At 7:00 PM CDT Thursday the stage was 24.8 feet.
* Flood stage is 24.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast...The river is expected to fall below flood stage Friday 
  morning.

&&


             Fld   Observed        Forecasts (7 pm CDT)
Location     Stg   Stg   Day/Time  Fri   Sat   Sun   Mon   Tue

Meramec River
Arnold       24.0  24.8  Thu 7 pm  22.9  19.5  16.7  14.8  13.9





&&

LAT...LON 3848 9043 3848 9039 3846 9032 3841 9034
      3845 9043

$$

Gosselin
809 
WGUS83 KLSX 161346
FLSLSX

Flood Statement
National Weather Service St Louis MO
846 AM CDT Fri Apr 16 2021

...The Flood Warning is cancelled 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.

MOC099-189-161500-
/O.CAN.KLSX.FL.W.0082.000000T0000Z-210416T1346Z/
/ARNM7.1.ER.210412T1611Z.210414T1015Z.210416T1026Z.NO/
846 AM CDT Fri Apr 16 2021

...The Flood Warning for the Meramec River near Arnold has been 
cancelled...

The Flood Warning is cancelled for
  the Meramec River near Arnold.
* At 8:30 AM CDT Friday the stage was 23.7 feet.
* Flood stage is 24.0 feet.
* Forecast...The river is expected to fall to 13.0 feet Thursday 
  morning.

&&


             Fld   Observed        Forecasts (7 am CDT)
Location     Stg   Stg   Day/Time  Sat   Sun   Mon   Tue   Wed

Meramec River
Arnold       24.0  23.7  Fri 8 am  21.3  18.0  15.6  14.3  13.5





&&

LAT...LON 3848 9043 3848 9039 3846 9032 3841 9034
      3845 9043

$$

TES

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 11, 9:13 PM CDTRiver Flood WarningLSXSaint Charles4 days
Apr 11, 9:13 PM CDTRiver Flood WarningLSXLewis14 hr
Apr 11, 9:13 PM CDTRiver Flood WarningLSXPerry, Sainte Genevieve6 days
Apr 11, 9:13 PM CDTRiver Flood WarningLSXSaint Charles4 days

Nearby

River Flood Warnings in Missouri, 2021Every river flood warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.