Alert archive / Missouri / River Flood Warnings in 2021

River Flood Warning 47, NWS St. Louis, MO

March 18, 2021Jefferson County, Saint Louis County, Missouri

NWS St. Louis, MO issued this river flood warning at Mar 18, 2021, 10:12 AM CDT for Jefferson County, Saint Louis County, Missouri. It took effect at Mar 18, 2021, 9:10 PM CDT. It was in force for 21 days.

The area

The outline as issued.

The facts

Issued: Mar 18, 2021, 10:12 AM CDT (15:12 UTC)
In effect from: Mar 18, 2021, 9:10 PM CDT
Expired: Apr 8, 2021, 10:12 AM CDT
In force: 21 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 15:12 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 30.01 ft at Mar 20, 2021, 10:00 PM CDT.

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.

873 
WGUS43 KLSX 181512
FLWLSX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service St Louis MO
1012 AM CDT Thu Mar 18 2021

...The National Weather Service in St Louis MO has issued a Flood 
Warning for the following river in Missouri...

  Meramec River near Arnold.

River forecasts are based on observed precipitation and forecast 
precipitation for the next 48 hours.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Rainfall heavier than forecast could cause river levels to rise even 
higher than predicted. The National Weather Service will monitor 
this developing situation and issue follow up statements as 
conditions change.

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

  

&&


MOC099-189-200315-
/O.NEW.KLSX.FL.W.0047.210319T0500Z-000000T0000Z/
/ARNM7.1.ER.210319T0500Z.210322T0000Z.000000T0000Z.NO/
1012 AM CDT Thu Mar 18 2021

The National Weather Service in St Louis has issued a

* Flood Warning for
  the Meramec River near Arnold.
* From late tonight until further notice.
* At 9:30 AM CDT Thursday the stage was 20.8 feet.
* Flood stage is 24.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late 
  tonight and continue rising to a crest of 31.0 feet Sunday evening.
* Impact...At 31.0 feet, Near this height, Old Baumgartner Road near 
  Brookstone Terrace Drive begins flooding.

&&


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

Meramec River
Arnold       24.0  20.8  Thu 9 am  26.3  29.7  30.9  30.8  29.5





&&

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

$$

Gosselin

10 follow-up statements

395 
WGUS83 KLSX 190210
FLSLSX

Flood Statement
National Weather Service St Louis MO
910 PM CDT Thu Mar 18 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 48 hours.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Rainfall heavier than forecast could cause river levels to rise even 
higher than predicted. The National Weather Service will monitor 
this developing situation and issue follow up statements as 
conditions change.

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

  

&&


MOC099-189-201415-
/O.EXT.KLSX.FL.W.0047.210319T0210Z-210326T0120Z/
/ARNM7.1.ER.210319T0020Z.210321T1800Z.210324T1920Z.NO/
910 PM CDT Thu Mar 18 2021

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

The Flood Warning continues for
  the Meramec River near Arnold.
* From this evening to Thursday evening.
* At 8:30 PM CDT Thursday the stage was 24.3 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 Thursday was 24.3 feet.
* Forecast...The river is expected to rise to a crest of 32.0 feet 
  early Sunday afternoon. It will then fall below flood stage early 
  Wednesday afternoon.
* Impact...At 32.0 feet, Near this height, New Baumgartner Road in 
  front of the Fred Weber Quarry begins flooding.

&&


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

Meramec River
Arnold       24.0  24.3  Thu 8 pm  28.5  31.0  32.0  30.2  26.9





&&

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

$$

TES

220 
WGUS83 KLSX 191623
FLSLSX

Flood Statement
National Weather Service St Louis MO
1123 AM CDT Fri Mar 19 2021

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

  Big River at Byrnesville.

  Meramec River near Arnold.

River forecasts are based on observed precipitation and forecast 
precipitation for the next 48 hours.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

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.

  

&&


MOC099-210430-
/O.EXT.KLSX.FL.W.0052.000000T0000Z-210321T1800Z/
/BYRM7.1.ER.210319T0637Z.210320T0000Z.210320T1800Z.UU/
1123 AM CDT Fri Mar 19 2021

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

The Flood Warning continues for
  the Big River at Byrnesville.
* Until Sunday afternoon.
* At 10:45 AM CDT Friday the stage was 17.6 feet.
* Flood stage is 16.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast...The river is expected to rise to a crest of 18.7 feet 
  this evening. It will then fall below flood stage early tomorrow 
  afternoon.
* Impact...At 19.0 feet, Dutch Creek Road south of Byrnesville and 
  Byrnesville Road near John McKeever Road north of Byrnesville 
  begin to flood.

&&


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

Big River
Byrnesvill 16.0  17.6  Fri 10 am 16.0  11.0  8.6   7.3   6.7





&&

LAT...LON 3834 9060 3833 9068 3846 9063 3849 9057

$$

MOC099-189-210430-
/O.EXT.KLSX.FL.W.0047.000000T0000Z-210325T2308Z/
/ARNM7.1.ER.210319T0020Z.210321T1800Z.210324T1708Z.NO/
1123 AM CDT Fri Mar 19 2021

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

The Flood Warning continues for
  the Meramec River near Arnold.
* Until Thursday evening.
* At 11:00 AM CDT Friday the stage was 27.2 feet.
* Flood stage is 24.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast...The river is expected to rise to a crest of 32.1 feet 
  early Sunday afternoon. It will then fall below flood stage early 
  Wednesday afternoon.
* Impact...At 32.0 feet, Near this height, New Baumgartner Road in 
  front of the Fred Weber Quarry begins flooding.

&&


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

Meramec River
Arnold       24.0  27.2  Fri 11 am 30.8  32.1  30.7  27.2  23.9





&&

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

$$

Fuchs

675 
WGUS83 KLSX 200057
FLSLSX

Flood Statement
National Weather Service St Louis MO
757 PM CDT Fri Mar 19 2021

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

  Meramec River at Valley Park.

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

  Meramec River near Arnold.

  Meramec River In Fenton.

River forecasts are based on observed precipitation and forecast 
precipitation for the next 48 hours.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Rainfall heavier than forecast could cause river levels to rise even 
higher than predicted. The National Weather Service will monitor 
this developing situation and issue follow up statements as 
conditions change.

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

  

&&


MOC099-189-211300-
/O.EXT.KLSX.FL.W.0047.000000T0000Z-210325T1930Z/
/ARNM7.1.ER.210319T0020Z.210321T0600Z.210324T1330Z.NO/
757 PM CDT Fri Mar 19 2021

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

The Flood Warning continues for
  the Meramec River near Arnold.
* Until Thursday afternoon.
* At 7:30 PM CDT Friday the stage was 28.3 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 7:30 PM CDT Friday was 28.3 feet.
* Forecast...The river is expected to rise to a crest of 30.5 feet 
  early Sunday morning. It will then fall below flood stage 
  Wednesday morning.
* Impact...At 30.0 feet, Wells Road below Suson Woods begins 
  flooding at this height.

&&


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

Meramec River
Arnold       24.0  28.3  Fri 7 pm  30.4  30.3  28.3  25.7  22.7





&&

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

$$

MOC099-189-211300-
/O.EXT.KLSX.FL.W.0053.210320T0800Z-210323T1200Z/
/VLLM7.1.ER.210320T0800Z.210321T0000Z.210322T0600Z.NO/
757 PM CDT Fri Mar 19 2021

...The Flood Warning is now in effect until Tuesday morning...

The Flood Warning continues for
  the Meramec River at Valley Park.
* From late tonight to Tuesday morning.
* At 7:30 PM CDT Friday the stage was 17.1 feet.
* Flood stage is 18.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late 
  tonight to a crest of 19.0 feet tomorrow evening. It will then 
  fall below flood stage early Monday morning.
* Impact...At 19.0 feet, The south riverward side of Marshall Road 
  begins to flood.

&&


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

Meramec River
Valley Park  18.0  17.1  Fri 7 pm  19.0  18.3  16.0  13.0  10.5





&&

LAT...LON 3853 9056 3855 9056 3857 9043 3854 9043

$$

MOC099-189-211300-
/O.EXT.KLSX.FL.W.0054.210321T1200Z-210323T0000Z/
/FNNM7.1.ER.210321T1200Z.210321T1200Z.210321T1800Z.NO/
757 PM CDT Fri Mar 19 2021

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

The Flood Warning continues for
  the Meramec River In Fenton.
* From Sunday morning to Monday evening.
* At 7:31 PM CDT Friday the stage was 20.9 feet.
* Flood stage is 23.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage Sunday 
  morning to a crest of 23.0 feet Sunday morning. It will then fall 
  below flood stage early Sunday afternoon.
* Impact...At 22.9 feet, At this height, the entire boat ramp path 
  at Minnie Ha Ha Park will be submerged.

&&


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

Meramec River
Fenton       23.0  20.9  Fri 7 pm  22.7  22.8  21.0  18.2  15.4





&&

LAT...LON 3854 9045 3854 9042 3848 9039 3848 9045

$$

Maples

552 
WGUS83 KLSX 201557
FLSLSX

Flood Statement
National Weather Service St Louis MO
1057 AM CDT Sat Mar 20 2021

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

  Meramec River at Valley Park.

  Meramec River near Arnold.

River forecasts are based on observed precipitation and forecast 
precipitation for the next 48 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.

  

&&


MOC099-189-220400-
/O.EXT.KLSX.FL.W.0053.000000T0000Z-210322T1800Z/
/VLLM7.1.ER.210320T1048Z.210320T1800Z.210321T1200Z.NO/
1057 AM CDT Sat Mar 20 2021

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

The Flood Warning continues for
  the Meramec River at Valley Park.
* Until Monday afternoon.
* At 10:00 AM CDT Saturday the stage was 18.2 feet.
* Flood stage is 18.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast...The river is expected to rise to a crest of 18.3 feet 
  this afternoon. It will then fall below flood stage tomorrow 
  morning.
* Impact...At 19.0 feet, The south riverward side of Marshall Road 
  begins to flood.

&&


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

Meramec River
Valley Park  18.0  18.2  Sat 10 am 17.6  15.5  13.0  10.4  8.6





&&

LAT...LON 3853 9056 3855 9056 3857 9043 3854 9043

$$

MOC099-189-220400-
/O.EXT.KLSX.FL.W.0047.000000T0000Z-210325T0843Z/
/ARNM7.1.ER.210319T0020Z.210321T1800Z.210324T0243Z.NO/
1057 AM CDT Sat Mar 20 2021

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

The Flood Warning continues for
  the Meramec River near Arnold.
* Until late Wednesday night.
* At 10:00 AM CDT Saturday the stage was 29.6 feet.
* Flood stage is 24.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast...The river is expected to rise to a crest of 30.6 feet 
  early tomorrow afternoon. It will then fall below flood stage late 
  Tuesday evening.
* Impact...At 31.0 feet, Near this height, Old Baumgartner Road near 
  Brookstone Terrace Drive begins flooding.

&&


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

Meramec River
Arnold       24.0  29.6  Sat 10 am 30.6  28.9  25.3  22.1  19.6





&&

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

$$

Britt

441 
WGUS83 KLSX 210032
FLSLSX

Flood Statement
National Weather Service St Louis MO
732 PM CDT Sat Mar 20 2021

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

  Meramec River near Arnold.

...The Flood Warning is cancelled for the following rivers in 
Missouri...

  Meramec River at Valley Park.

River forecasts are based on observed precipitation and forecast 
precipitation for the next 48 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.

  

&&


MOC099-189-210145-
/O.CAN.KLSX.FL.W.0053.000000T0000Z-210321T0032Z/
/VLLM7.1.ER.210320T1048Z.210320T1645Z.210320T2350Z.NO/
732 PM CDT Sat Mar 20 2021

...The Flood Warning for the Meramec River at Valley Park has been 
cancelled...

The Flood Warning is cancelled for
  the Meramec River at Valley Park.
* At 7:00 PM CDT Saturday the stage was 17.9 feet.
* Flood stage is 18.0 feet.
* Forecast...The river is expected to fall to 5.9 feet Friday 
  evening.

&&


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

Meramec River
Valley Park  18.0  17.9  Sat 7 pm  15.8  13.1  10.2  8.3   6.9





&&

LAT...LON 3853 9056 3855 9056 3857 9043 3854 9043

$$

MOC099-189-221245-
/O.EXT.KLSX.FL.W.0047.000000T0000Z-210325T1520Z/
/ARNM7.1.ER.210319T0020Z.210321T0600Z.210324T0920Z.NO/
732 PM CDT Sat Mar 20 2021

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

The Flood Warning continues for
  the Meramec River near Arnold.
* Until Thursday morning.
* At 7:00 PM CDT Saturday the stage was 29.9 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 7:00 PM CDT Saturday was 30.0 feet.
* Forecast...The river is expected to rise to a crest of 30.1 feet 
  just after midnight tonight. It will then fall below flood stage 
  early Wednesday morning.
* Impact...At 30.0 feet, Wells Road below Suson Woods begins 
  flooding at this height.

&&


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

Meramec River
Arnold       24.0  29.9  Sat 7 pm  29.7  28.0  25.3  21.6  19.3





&&

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

$$

Maples

962 
WGUS83 KLSX 211422
FLSLSX

Flood Statement
National Weather Service St Louis MO
922 AM CDT Sun Mar 21 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 48 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.

  

&&


MOC099-189-230230-
/O.EXT.KLSX.FL.W.0047.000000T0000Z-210325T0645Z/
/ARNM7.1.ER.210319T0020Z.210321T0300Z.210324T0045Z.NO/
922 AM CDT Sun Mar 21 2021

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

The Flood Warning continues for
  the Meramec River near Arnold.
* Until late Wednesday night.
* At 9:00 AM CDT Sunday the stage was 29.6 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 9:00 AM CDT Sunday was 30.0 feet.
* Forecast...The river is expected to fall below flood stage Tuesday 
  evening and continue falling to 17.2 feet Saturday morning.
* Impact...At 30.0 feet, Wells Road below Suson Woods begins 
  flooding at this height.

&&


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

Meramec River
Arnold       24.0  29.6  Sun 9 am  27.9  25.5  22.5  20.0  18.5





&&

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

$$

Britt

426 
WGUS83 KLSX 220029 RRA
FLSLSX

Flood Statement
National Weather Service St Louis MO
729 PM CDT Sun Mar 21 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 48 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.

  

&&


MOC099-189-231230-
/O.EXT.KLSX.FL.W.0047.000000T0000Z-210325T0500Z/
/ARNM7.1.ER.210319T0020Z.210321T0300Z.210323T2300Z.NO/
729 PM CDT Sun Mar 21 2021

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

The Flood Warning continues for
  the Meramec River near Arnold.
* Until late Wednesday night.
* At 7:00 PM CDT Sunday the stage was 28.7 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 7:00 PM CDT Sunday was 30.0 feet.
* Forecast...The river is expected to fall below flood stage Tuesday 
  evening and continue falling to 16.5 feet Saturday evening.
* Impact...At 30.0 feet, Wells Road below Suson Woods begins 
  flooding at this height.

&&


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

Meramec River
Arnold       24.0  28.7  Sun 7 pm  26.5  23.9  21.0  19.0  17.7





&&

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

$$

Maples

341 
WGUS83 KLSX 221702
FLSLSX

Flood Statement
National Weather Service St Louis MO
1202 PM CDT Mon Mar 22 2021

...The Flood Warning is cancelled for the following rivers in 
Illinois...

  Illinois River at Valley City.

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

  Illinois River at Hardin.

  Meramec River near Arnold.

  La Moine River at Ripley.

  Mississippi River at Mel Price LD.

  Mississippi River at Chester.

River forecasts are based on observed precipitation and forecast 
precipitation for the next 48 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.

  

&&


ILC149-171-221815-
/O.CAN.KLSX.FL.W.0051.210324T1200Z-210322T1702Z/
/VALI2.1.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
1202 PM CDT Mon Mar 22 2021

...The Flood Warning for the Illinois River at Valley City has been 
cancelled...

The Flood Warning is cancelled for
  the Illinois River at Valley City.
* At 11:30 AM CDT Monday the stage was 13.4 feet.
* Flood stage is 14.0 feet.
* Forecast...The river is expected to hold at 13.5 feet this 
  afternoon.

&&


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

Illinois River
Valley City   14.0  13.4  Mon 11 am 13.5  13.5  13.3  13.2  13.1





&&

LAT...LON 3977 9067 3977 9053 3952 9052 3952 9064

$$

ILC013-061-083-240515-
/O.EXT.KLSX.FL.W.0050.000000T0000Z-210328T0600Z/
/HARI2.1.ER.210319T0522Z.210321T0630Z.210327T0000Z.NO/
1202 PM CDT Mon Mar 22 2021

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

The Flood Warning continues for
  the Illinois River at Hardin.
* Until late Saturday night.
* At 11:30 AM CDT Monday the stage was 25.8 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 11:30 AM CDT Monday was 26.8 feet.
* Forecast...The river is expected to fall below flood stage Friday 
  evening and continue falling to 24.8 feet Sunday morning.
* Flood Stage. Lowland flooding of unprotected agricultural land 
  begins.

&&


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

Illinois River
Hardin        25.0  25.8  Mon 11 am 25.0  25.0  25.0  25.0  24.9





&&

LAT...LON 3952 9064 3952 9052 3898 9048 3891 9054
      3903 9062

$$

MOC099-189-240515-
/O.EXT.KLSX.FL.W.0047.000000T0000Z-210325T0000Z/
/ARNM7.1.ER.210319T0020Z.210321T0300Z.210323T1800Z.NO/
1202 PM CDT Mon Mar 22 2021

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

The Flood Warning continues for
  the Meramec River near Arnold.
* Until Wednesday evening.
* At 11:30 AM CDT Monday the stage was 27.1 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 11:30 AM CDT Monday was 29.3 feet.
* Forecast...The river is expected to fall below flood stage early 
  tomorrow afternoon and continue falling to 20.0 feet Sunday 
  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  27.1  Mon 11 am 24.0  20.9  19.2  19.3  19.8





&&

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

$$

ILC009-240515-
/O.EXT.KLSX.FL.W.0044.000000T0000Z-210324T1030Z/
/RIPI2.2.ER.210318T1502Z.210319T1430Z.210323T0430Z.NO/
1202 PM CDT Mon Mar 22 2021

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

The Flood Warning continues for
  the La Moine River at Ripley.
* Until late Tuesday night.
* At 10:45 AM CDT Monday the stage was 23.4 feet.
* Flood stage is 22.0 feet.
* Moderate flooding is occurring and moderate flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 10:45 AM CDT Monday was 23.5 feet.
* Forecast...The river is expected to fall below flood stage late 
  this evening and continue falling to 12.2 feet Monday morning.
* Impact...At 23.0 feet, Moderate flooding begins.  Extensive 
  cropland is flooded below the gauge near the LaGrange Lock Road 
  bridge.

&&


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

La Moine River
Ripley        22.0  23.4  Mon 10 am 19.6  15.1  14.6  15.0  14.8





&&

LAT...LON 4013 9074 4013 9068 4000 9051 3996 9052
      3998 9064

$$

ILC119-MOC183-240515-
/O.EXT.KLSX.FL.W.0041.000000T0000Z-210324T0712Z/
/ALNI2.1.ER.210319T0228Z.210320T2230Z.210323T0112Z.NO/
1202 PM CDT Mon Mar 22 2021

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

The Flood Warning continues for
  the Mississippi River at Mel Price LD.
* Until late Tuesday night.
* At 11:30 AM CDT Monday the stage was 21.8 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 11:30 AM CDT Monday was 24.0 feet.
* Forecast...The river is expected to fall below flood stage this 
  evening and continue falling to 17.5 feet Sunday morning.
* Impact...At 21.0 feet, Flood Stage.  Minor flooding begins to 
  occur at this level.

&&


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

Mississippi River
Mel Price LD     21.0  21.8  Mon 11 am 19.7  18.1  17.3  17.4  17.5





&&

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

$$

ILC077-157-MOC157-186-240515-
/O.EXT.KLSX.FL.W.0040.000000T0000Z-210326T1500Z/
/CHSI2.1.ER.210319T0130Z.210321T2130Z.210325T0900Z.NO/
1202 PM CDT Mon Mar 22 2021

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

The Flood Warning continues for
  the Mississippi River at Chester.
* Until Friday morning.
* At 11:30 AM CDT Monday the stage was 33.0 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 11:30 AM CDT Monday was 33.9 feet.
* Forecast...The river is expected to fall below flood stage early 
  Thursday morning and continue falling to 24.7 feet Sunday morning.
* Impact...At 33.0 feet, Within a foot of this height, Highway A is 
  closed between County Roads 448 and 460 at Wittenberg in southern 
  Perry County.

&&


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

Mississippi River
Chester          27.0  33.0  Mon 11 am 31.2  28.7  26.2  24.9  24.7





&&

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

$$

Elmore

582 
WGUS83 KLSX 230011
FLSLSX

Flood Statement
National Weather Service St Louis MO
711 PM CDT Mon Mar 22 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 48 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.

  

&&


MOC099-189-241215-
/O.EXT.KLSX.FL.W.0047.000000T0000Z-210325T0234Z/
/ARNM7.1.ER.210319T0020Z.210321T0300Z.210323T2034Z.NO/
711 PM CDT Mon Mar 22 2021

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

The Flood Warning continues for
  the Meramec River near Arnold.
* Until Wednesday evening.
* At 6:30 PM CDT Monday the stage was 26.3 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 6:30 PM CDT Monday was 28.6 feet.
* Forecast...The river is expected to fall below flood stage 
  tomorrow afternoon and continue falling to 20.4 feet Sunday 
  evening.

&&


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

Meramec River
Arnold       24.0  26.3  Mon 6 pm  23.6  20.5  19.4  19.7  20.2





&&

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

$$

Byrd

449 
WGUS83 KLSX 231504
FLSLSX

Flood Statement
National Weather Service St Louis MO
1004 AM CDT Tue Mar 23 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 48 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.

  

&&


MOC099-189-240000-
/O.EXT.KLSX.FL.W.0047.000000T0000Z-210324T0000Z/
/ARNM7.1.ER.210319T0020Z.210321T0300Z.210323T1845Z.NO/
1004 AM CDT Tue Mar 23 2021

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

The Flood Warning continues for
  the Meramec River near Arnold.
* Until this evening.
* At 9:30 AM CDT Tuesday the stage was 24.5 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 9:30 AM CDT Tuesday was 27.2 feet.
* Forecast...The river is expected to fall below flood stage this 
  afternoon and continue falling to 20.2 feet Monday morning.
* Impact...At 24.7 feet, Hawkins Road south of Meramec Bottom Road 
  begins flooding.

&&


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

Meramec River
Arnold       24.0  24.5  Tue 9 am  21.1  19.4  19.5  20.0  20.2





&&

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

$$

BSH

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 17, 8:33 PM CDT	River Flood Warning	LSX	Cole	55 hr
Mar 17, 8:34 PM CDT	River Flood Warning	LSX	Osage	14 hr
Mar 17, 8:54 PM CDT	River Flood Warning	LSX	Lincoln	42 hr
Mar 17, 9:04 PM CDT	River Flood Warning	LSX	Cole, Osage	72 hr
Mar 17, 9:29 PM CDT	River Flood Warning	LSX	Reynolds	41 hr
Mar 17, 9:35 PM CDT	River Flood Warning	LSX	Pike	4 days
Mar 17, 9:35 PM CDT	River Flood Warning	LSX	Marion	66 hr
Mar 17, 9:35 PM CDT	River Flood Warning	LSX	Pike	4 days
Mar 17, 9:35 PM CDT	River Flood Warning	LSX	Perry, Sainte Genevieve	8 days
Mar 17, 9:35 PM CDT	River Flood Warning	LSX	Saint Charles	21 days
Mar 17, 9:35 PM CDT	River Flood Warning	LSX	Saint Louis, City of Saint Louis	4 days
Mar 17, 9:35 PM CDT	River Flood Warning	LSX	Saint Charles	21 days
Mar 18, 2:49 AM CDT	Wind Advisory	LSX	Knox, Lewis, Marion, Shelby	16 hr
Mar 18, 9:41 AM CDT	River Flood Warning	LSX	Lincoln	58 hr
Mar 18, 10:03 AM CDT	River Flood Warning	LSX	Saint Charles	33 hr
Mar 18, 11:53 AM CDT	River Flood Warning	LSX	Lincoln	3 days
Mar 18, 12:15 PM CDT	River Flood Warning	LSX	Ralls	34 hr
Mar 18, 4:11 PM CDT	River Flood Warning	LSX	Jefferson	42 hr

Nearby

River Flood Warnings in Missouri, 2021 Every 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.