Alert archive / Missouri / River Flood Warnings in 2021

River Flood Warning 73, NWS St. Louis, MO

April 11, 2021Cole County, Osage County, Missouri

NWS St. Louis, MO issued this river flood warning at Apr 11, 2021, 10:15 AM CDT for Cole County, Osage County, Missouri. It was in force for 3 days.

The area

The outline as issued.

The facts

Issued
Apr 11, 2021, 10:15 AM CDT (15:15 UTC)
Expired
Apr 14, 2021, 11:10 AM CDT
In force
3 days
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Flood severity
Minor

Counties Cole County, MO, Osage County, MO

The radar

The St Louis radar (KLSX), 118 km from the middle of the area, began a volume at 15:18 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 Osage River at Mari-Osa Campground (MOAM7).

Action stage
17 ft
Minor stage
19 ft
Moderate stage
22 ft
Major stage
25 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record, 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.

307 
WGUS43 KLSX 111515
FLWLSX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service St Louis MO
1015 AM CDT Sun Apr 11 2021

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

  Osage River near Mari-Osa Campground.

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.

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.

  

&&


MOC051-151-130315-
/O.NEW.KLSX.FL.W.0073.210411T1515Z-210414T1931Z/
/MOAM7.1.ER.210411T1411Z.210412T0600Z.210413T1330Z.UU/
1015 AM CDT Sun Apr 11 2021

The National Weather Service in St Louis has issued a

* Flood Warning for
  the Osage River near Mari-Osa Campground.
* From this morning to Wednesday afternoon.
* At 7:40 AM CDT Sunday the stage was 18.8 feet.
* Flood stage is 19.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise to a crest of 20.0 feet 
  just after midnight tonight. It will then fall below flood stage 
  Tuesday morning.
* Impact...At 20.0 feet, Near this stage the lowest two campsites at 
  Mari-Osa campground begin flooding.

&&


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

Osage River
Mari-Osa Campgroun 19.0  18.8  Sun 7 am  19.9  18.7  17.1  15.2  MSG





&&

LAT...LON 3849 9199 3849 9202 3847 9202 3853 9204
      3853 9202

$$

Glass
6 follow-up statements
356 
WGUS83 KLSX 120131
FLSLSX

Flood Statement
National Weather Service St Louis MO
831 PM CDT Sun Apr 11 2021

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

  Missouri River at Washington.

  Missouri River at St. Charles.

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

  Osage River near Mari-Osa Campground.

  Missouri River near Chamois.

  Missouri River at Hermann.

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.

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.

  

&&


MOC051-151-131345-
/O.EXT.KLSX.FL.W.0073.000000T0000Z-210414T1930Z/
/MOAM7.1.ER.210411T1411Z.210412T0600Z.210413T1330Z.UU/
831 PM CDT Sun Apr 11 2021

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

The Flood Warning continues for
  the Osage River near Mari-Osa Campground.
* Until Wednesday afternoon.
* At 7:40 AM CDT Sunday the stage was 18.8 feet.
* Flood stage is 19.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise to a crest of 20.0 feet 
  just after midnight tonight. It will then fall below flood stage 
  Tuesday morning.
* Impact...At 20.0 feet, Near this stage the lowest two campsites at 
  Mari-Osa campground begin flooding.

&&


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

Osage River
Mari-Osa Campgroun 19.0  18.8  Sun 7 am  19.7  18.1  16.7  14.8  13.1





&&

LAT...LON 3849 9199 3849 9202 3847 9202 3853 9204
      3853 9202

$$

MOC071-219-131345-
/O.EXT.KLSX.FL.W.0067.000000T0000Z-210415T1648Z/
/WHGM7.1.ER.210411T2342Z.210413T0000Z.210414T0448Z.NO/
831 PM CDT Sun Apr 11 2021

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

The Flood Warning continues for
  the Missouri River at Washington.
* Until Thursday morning.
* At 7:45 PM CDT Sunday 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 7:45 PM CDT Sunday was 20.1 feet.
* Forecast...The river is expected to rise to a crest of 21.5 feet 
  tomorrow evening. It will then fall below flood stage late Tuesday 
  evening.
* Impact...At 21.0 feet, Wastewater plant turns pumps on.

&&


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

Missouri River
Washington    20.0  20.1  Sun 7 pm  21.5  20.4  18.2  15.2  12.5





&&

LAT...LON 3865 9078 3859 9072 3851 9089 3861 9123
      3866 9119

$$

MOC027-151-131345-
/O.EXT.KLSX.FL.W.0066.000000T0000Z-210415T2000Z/
/CMSM7.1.ER.210411T1218Z.210412T1200Z.210414T0800Z.NO/
831 PM CDT Sun Apr 11 2021

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

The Flood Warning continues for
  the Missouri River near Chamois.
* Until Thursday afternoon.
* At 12:21 PM CDT Sunday the stage was 18.3 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 12:21 PM CDT Sunday was 18.3 feet.
* Forecast...The river is expected to rise to a crest of 20.4 feet 
  tomorrow morning. It will then fall below flood stage early 
  Wednesday morning.

&&


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

Missouri River
Chamois       17.0  18.3  Sun 12 pm 19.9  17.7  15.1  11.9  9.6





&&

LAT...LON 3864 9198 3871 9185 3873 9161 3866 9161
      3865 9190 3858 9194

$$

MOC073-139-131345-
/O.EXT.KLSX.FL.W.0065.000000T0000Z-210415T2300Z/
/HRNM7.1.ER.210411T0751Z.210412T1800Z.210414T1700Z.NO/
831 PM CDT Sun Apr 11 2021

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

The Flood Warning continues for
  the Missouri River at Hermann.
* Until Thursday evening.
* At 7:30 PM CDT Sunday the stage was 23.4 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 7:30 PM CDT Sunday was 23.4 feet.
* Forecast...The river is expected to rise to a crest of 24.3 feet 
  early tomorrow afternoon. It will then fall below flood stage 
  early Wednesday afternoon.
* Impact...At 25.0 feet, City Lions Club Athletic Field begins to 
  flood.

&&


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

Missouri River
Hermann       21.0  23.4  Sun 7 pm  24.1  22.5  20.2  17.0  14.6





&&

LAT...LON 3873 9161 3875 9136 3866 9119 3861 9123
      3866 9139 3866 9161

$$

MOC183-189-131345-
/O.EXT.KLSX.FL.W.0068.210412T0445Z-210416T0000Z/
/SCLM7.1.ER.210412T0445Z.210413T0600Z.210414T1800Z.NO/
831 PM CDT Sun Apr 11 2021

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

The Flood Warning continues for
  the Missouri River at St. Charles.
* From this evening to Thursday evening.
* At 8:00 PM CDT Sunday the stage was 24.4 feet.
* Flood stage is 25.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late 
  this evening to a crest of 26.7 feet early Tuesday morning. It 
  will then fall below flood stage early Wednesday afternoon.
* Impact...At 27.0 feet, The Katy Trail begins flooding near this 
  height along Hawning Road, about 2 miles north northeast of the 
  Highway 370 bridge.

&&


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

Missouri River
St. Charles   25.0  24.4  Sun 8 pm  26.6  26.3  24.5  22.2  19.4





&&

LAT...LON 3891 9033 3886 9018 3881 9017 3859 9072
      3865 9078

$$

Elmore
950 
WGUS83 KLSX 121523
FLSLSX

Flood Statement
National Weather Service St Louis MO
1023 AM CDT Mon Apr 12 2021

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

  Osage River near Mari-Osa Campground.

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.

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.

  

&&


MOC051-151-140330-
/O.EXT.KLSX.FL.W.0073.000000T0000Z-210415T1200Z/
/MOAM7.1.ER.210411T1411Z.210412T1400Z.210414T0600Z.UU/
1023 AM CDT Mon Apr 12 2021

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

The Flood Warning continues for
  the Osage River near Mari-Osa Campground.
* Until Thursday morning.
* At 9:00 AM CDT Monday the stage was 20.3 feet.
* Flood stage is 19.0 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 Monday was 20.3 feet.
* Forecast...The river is expected to continue near 20.3 feet 
  through tonight, then fall below flood stage early Wednesday 
  morning.
* Impact...At 20.0 feet, Near this stage the lowest two campsites at 
  Mari-Osa campground begin flooding.

&&


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

Osage River
Mari-Osa Campgroun 19.0  20.3  Mon 9 am  19.6  18.1  16.3  14.3  MSG





&&

LAT...LON 3849 9199 3849 9202 3847 9202 3853 9204
      3853 9202

$$

MRM
481 
WGUS83 KLSX 130135
FLSLSX

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

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

  Osage River near Mari-Osa Campground.

  Missouri River at St. Charles.

  Missouri River at Washington.

  Missouri River near Chamois.

  Missouri River at Hermann.

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.

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.

  

&&


MOC051-151-141345-
/O.EXT.KLSX.FL.W.0073.000000T0000Z-210415T0200Z/
/MOAM7.1.ER.210411T1411Z.210412T1400Z.210413T2000Z.UU/
835 PM CDT Mon Apr 12 2021

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

The Flood Warning continues for
  the Osage River near Mari-Osa Campground.
* Until Wednesday evening.
* At 9:00 AM CDT Monday the stage was 20.3 feet.
* Flood stage is 19.0 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 Monday was 20.3 feet.
* Forecast...The river is expected to fall below flood stage 
  tomorrow afternoon and continue falling to 12.3 feet Saturday 
  evening.
* Impact...At 20.0 feet, Near this stage the lowest two campsites at 
  Mari-Osa campground begin flooding.

&&


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

Osage River
Mari-Osa Campgroun 19.0  20.3  Mon 9 am  18.6  17.0  15.0  13.4  12.3





&&

LAT...LON 3849 9199 3849 9202 3847 9202 3853 9204
      3853 9202

$$

MOC183-189-141345-
/O.EXT.KLSX.FL.W.0068.000000T0000Z-210416T0448Z/
/SCLM7.1.ER.210412T0607Z.210413T1200Z.210414T2248Z.NO/
835 PM CDT Mon Apr 12 2021

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

The Flood Warning continues for
  the Missouri River at St. Charles.
* Until Thursday evening.
* At 8:00 PM CDT Monday the stage was 26.2 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 8:00 PM CDT Monday was 26.2 feet.
* Forecast...The river is expected to rise to a crest of 26.5 feet 
  tomorrow morning. It will then fall below flood stage Wednesday 
  afternoon.
* Impact...At 27.0 feet, The Katy Trail begins flooding near this 
  height along Hawning Road, about 2 miles north northeast of the 
  Highway 370 bridge.

&&


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

Missouri River
St. Charles   25.0  26.2  Mon 8 pm  26.4  24.9  22.5  19.7  17.9





&&

LAT...LON 3891 9033 3886 9018 3881 9017 3859 9072
      3865 9078

$$

MOC071-219-141345-
/O.EXT.KLSX.FL.W.0067.000000T0000Z-210415T2136Z/
/WHGM7.1.ER.210411T2342Z.210413T0600Z.210414T0936Z.NO/
835 PM CDT Mon Apr 12 2021

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

The Flood Warning continues for
  the Missouri River at Washington.
* Until Thursday afternoon.
* At 7:45 PM CDT Monday the stage was 21.3 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 7:45 PM CDT Monday was 21.3 feet.
* Forecast...The river is expected to rise to a crest of 21.4 feet 
  just after midnight tonight. It will then fall below flood stage 
  early Wednesday morning.
* Impact...At 21.0 feet, Wastewater plant turns pumps on.

&&


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

Missouri River
Washington    20.0  21.3  Mon 7 pm  20.8  18.6  15.7  12.7  11.4





&&

LAT...LON 3865 9078 3859 9072 3851 9089 3861 9123
      3866 9119

$$

MOC027-151-141345-
/O.EXT.KLSX.FL.W.0066.000000T0000Z-210415T2300Z/
/CMSM7.1.ER.210411T1218Z.210412T1224Z.210414T1100Z.NO/
835 PM CDT Mon Apr 12 2021

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

The Flood Warning continues for
  the Missouri River near Chamois.
* Until Thursday evening.
* At 7:24 AM CDT Monday the stage was 19.9 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 7:24 AM CDT Monday was 19.9 feet.
* Forecast...The river is expected to fall below flood stage 
  Wednesday morning and continue falling to 8.4 feet Saturday 
  evening.

&&


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

Missouri River
Chamois       17.0  19.9  Mon 7 am  18.1  15.5  12.1  9.8   8.4





&&

LAT...LON 3864 9198 3871 9185 3873 9161 3866 9161
      3865 9190 3858 9194

$$

MOC073-139-141345-
/O.EXT.KLSX.FL.W.0065.000000T0000Z-210416T0234Z/
/HRNM7.1.ER.210411T0751Z.210412T2000Z.210414T2034Z.NO/
835 PM CDT Mon Apr 12 2021

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

The Flood Warning continues for
  the Missouri River at Hermann.
* Until Thursday evening.
* At 7:30 PM CDT Monday the stage was 24.3 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 7:30 PM CDT Monday was 24.4 feet.
* Forecast...The river is expected to fall below flood stage 
  Wednesday afternoon and continue falling to 11.5 feet Monday 
  evening.
* Impact...At 25.0 feet, City Lions Club Athletic Field begins to 
  flood.

&&


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

Missouri River
Hermann       21.0  24.3  Mon 7 pm  23.0  20.6  17.4  14.8  13.5





&&

LAT...LON 3873 9161 3875 9136 3866 9119 3861 9123
      3866 9139 3866 9161

$$

Elmore
989 
WGUS83 KLSX 131510
FLSLSX

Flood Statement
National Weather Service St Louis MO
1010 AM CDT Tue Apr 13 2021

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

  Osage River near Mari-Osa Campground.

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.

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.

  

&&


MOC051-151-150315-
/O.EXT.KLSX.FL.W.0073.000000T0000Z-210415T0700Z/
/MOAM7.1.ER.210411T1411Z.210412T1400Z.210414T0100Z.UU/
1010 AM CDT Tue Apr 13 2021

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

The Flood Warning continues for
  the Osage River near Mari-Osa Campground.
* Until late Wednesday night.
* At 9:00 AM CDT Monday, April 12 the stage was 20.3 feet.
* Flood stage is 19.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast...The river is expected to fall below flood stage this 
  evening and continue falling to 11.0 feet Sunday morning.
* Impact...At 20.0 feet, Near this stage the lowest two campsites at 
  Mari-Osa campground begin flooding.

&&


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

Osage River
Mari-Osa Campgroun 19.0  20.3  Mon 9 am  16.8  14.5  12.8  11.6  MSG





&&

LAT...LON 3849 9199 3849 9202 3847 9202 3853 9204
      3853 9202

$$

TES
576 
WGUS83 KLSX 140139
FLSLSX

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

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

  Osage River near Mari-Osa Campground.

  Missouri River at St. Charles.

  Missouri River near Chamois.

  Missouri River at Hermann.

  Missouri River at Washington.

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.

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.

  

&&


MOC051-151-150045-
/O.EXT.KLSX.FL.W.0073.000000T0000Z-210415T0045Z/
/MOAM7.1.ER.210411T1411Z.210412T1400Z.210413T1845Z.UU/
839 PM CDT Tue Apr 13 2021

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

The Flood Warning continues for
  the Osage River near Mari-Osa Campground.
* Until Wednesday evening.
* At 10:00 AM CDT Tuesday the stage was 19.3 feet.
* Flood stage is 19.0 feet.
* Minor flooding is occurring.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 10:00 AM CDT Tuesday was 19.3 feet.
* Forecast...The river is expected to fall to 10.7 feet Sunday 
  evening.
* Impact...At 20.0 feet, Near this stage the lowest two campsites at 
  Mari-Osa campground begin flooding.

&&


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

Osage River
Mari-Osa Campgroun 19.0  19.3  Tue 10 am 15.9  13.8  12.2  11.2  10.7





&&

LAT...LON 3849 9199 3849 9202 3847 9202 3853 9204
      3853 9202

$$

MOC183-189-151345-
/O.EXT.KLSX.FL.W.0068.000000T0000Z-210415T2136Z/
/SCLM7.1.ER.210412T0607Z.210413T1200Z.210414T1536Z.NO/
839 PM CDT Tue Apr 13 2021

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

The Flood Warning continues for
  the Missouri River at St. Charles.
* Until Thursday afternoon.
* At 8:00 PM CDT Tuesday the stage was 26.0 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 8:00 PM CDT Tuesday was 26.4 feet.
* Forecast...The river is expected to fall below flood stage late 
  tomorrow morning and continue falling to 16.3 feet Sunday evening.
* Impact...At 25.0 feet, The right bank downstream overflows, 
  flooding agricultural bottomland.  Near this stage, Missouri Route 
  H at Island Road will be closed in both directions.

&&


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

Missouri River
St. Charles   25.0  26.0  Tue 8 pm  24.3  21.9  19.3  17.5  16.3





&&

LAT...LON 3891 9033 3886 9018 3881 9017 3859 9072
      3865 9078

$$

MOC027-151-151345-
/O.EXT.KLSX.FL.W.0066.000000T0000Z-210415T2100Z/
/CMSM7.1.ER.210411T1218Z.210412T1224Z.210414T0900Z.NO/
839 PM CDT Tue Apr 13 2021

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

The Flood Warning continues for
  the Missouri River near Chamois.
* Until Thursday afternoon.
* At 7:12 AM CDT Tuesday the stage was 19.4 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 7:12 AM CDT Tuesday was 19.4 feet.
* Forecast...The river is expected to fall below flood stage late 
  tonight and continue falling to 7.2 feet Sunday evening.
* Impact...At 17.0 feet, Flood Stage:  Lower lying bottom land 
  begins to flood.

&&


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

Missouri River
Chamois       17.0  19.4  Tue 7 am  14.7  11.7  9.3   7.8   7.2





&&

LAT...LON 3864 9198 3871 9185 3873 9161 3866 9161
      3865 9190 3858 9194

$$

MOC073-139-151345-
/O.EXT.KLSX.FL.W.0065.000000T0000Z-210415T2308Z/
/HRNM7.1.ER.210411T0751Z.210412T2000Z.210414T1708Z.NO/
839 PM CDT Tue Apr 13 2021

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

The Flood Warning continues for
  the Missouri River at Hermann.
* Until Thursday evening.
* At 7:30 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 7:30 PM CDT Tuesday was 24.3 feet.
* Forecast...The river is expected to fall below flood stage early 
  tomorrow afternoon and continue falling to 11.7 feet Tuesday 
  evening.
* Impact...At 22.3 feet, Southern portions of Old Rock Road and 
  Twisters Road south of Rhineland begin flooding near this height.

&&


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

Missouri River
Hermann       21.0  22.9  Tue 7 pm  20.1  16.8  14.4  13.0  12.2





&&

LAT...LON 3873 9161 3875 9136 3866 9119 3861 9123
      3866 9139 3866 9161

$$

MOC071-219-151345-
/O.CON.KLSX.FL.W.0067.000000T0000Z-210415T1800Z/
/WHGM7.1.ER.210411T2342Z.210413T0330Z.210414T0600Z.NO/
839 PM CDT Tue Apr 13 2021

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

The Flood Warning continues for
  the Missouri River at Washington.
* Until Thursday afternoon.
* At 7:45 PM CDT Tuesday the stage was 20.3 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 7:45 PM CDT Tuesday was 21.3 feet.
* Forecast...The river is expected to fall below flood stage just 
  after midnight tonight and continue falling to 10.2 feet Sunday 
  evening.
* Impact...At 21.0 feet, Wastewater plant turns pumps on.

&&


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

Missouri River
Washington    20.0  20.3  Tue 7 pm  18.0  14.9  12.4  10.9  10.2





&&

LAT...LON 3865 9078 3859 9072 3851 9089 3861 9123
      3866 9119

$$

Elmore
978 
WGUS83 KLSX 141610
FLSLSX

Flood Statement
National Weather Service St Louis MO
1110 AM CDT Wed Apr 14 2021

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

  Osage River near Mari-Osa Campground.

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

MOC051-151-141715-
/O.CAN.KLSX.FL.W.0073.000000T0000Z-210414T1610Z/
/MOAM7.1.ER.210411T1411Z.210412T1400Z.210413T1800Z.UU/
1110 AM CDT Wed Apr 14 2021

...The Flood Warning for the Osage River near Mari-Osa Campground 
has been cancelled...

The Flood Warning is cancelled for
  the Osage River near Mari-Osa Campground.
* At 11:00 AM CDT Wednesday the stage was 16.8 feet.
* Flood stage is 19.0 feet.
* Forecast...The river is expected to fall to 10.7 feet Sunday 
  evening.

&&


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

Osage River
Mari-Osa Campgroun 19.0  16.8  Wed 11 am 14.2  12.5  11.4  10.8  MSG





&&

LAT...LON 3849 9199 3849 9202 3847 9202 3853 9204
      3853 9202

$$

MRB

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 10, 8:06 PM CDTRiver Flood WarningLSXMarion29 hr
Apr 10, 9:13 PM CDTRiver Flood WarningLSXGasconade, Montgomery4 days
Apr 10, 9:13 PM CDTRiver Flood WarningLSXCallaway, Osage4 days
Apr 10, 9:13 PM CDTRiver Flood WarningLSXFranklin, Warren3 days
Apr 10, 9:13 PM CDTRiver Flood WarningLSXSaint Charles, Saint Louis4 days
Apr 10, 9:36 PM CDTRiver Flood WarningLSXPike5 days
Apr 10, 9:36 PM CDTRiver Flood WarningLSXPike5 days
Apr 10, 9:36 PM CDTRiver Flood WarningLSXMarion4 days
Apr 11, 2:10 AM CDTRiver Flood WarningLSXLewis42 hr
Apr 11, 10:58 AM CDTRiver Flood WarningLSXRalls66 hr
Apr 11, 10:58 AM CDTRiver Flood WarningLSXLincoln4 days
Apr 11, 5:29 PM CDTRiver Flood WarningLSXLincoln36 hr

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.