Alert archive / Illinois / River Flood Warnings in 2021
River Flood Warning 77, NWS St. Louis, MO
NWS St. Louis, MO issued this river flood warning at Apr 11, 2021, 8:58 PM CDT for Calhoun County, Greene County, Jersey County, Illinois. 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, 8:58 PM CDT (01:58 UTC)
- In effect from
- Apr 12, 2021, 1:00 PM CDT
- Expired
- Apr 16, 2021, 4:07 AM CDT
- In force
- 4 days
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- Minor
Counties Calhoun County, IL, Greene County, IL, Jersey County, IL
The radar
The St Louis radar (KLSX), 62 km from the middle of the area, began a volume at 02:03 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 Illinois River at Hardin (HARI2). The gauge peaked at 25.71 ft at Apr 14, 2021, 11:00 AM CDT.
- Action stage
- 24 ft
- Minor stage
- 25 ft
- Moderate stage
- 31 ft
- Major stage
- 32 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 05587060, 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.
770
WGUS43 KLSX 120158
FLWLSX
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service St Louis MO
858 PM CDT Sun Apr 11 2021
...The National Weather Service in St Louis MO has issued a Flood
Warning for the following rivers in Illinois...
Illinois River at Hardin.
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.
&&
ILC013-061-083-131400-
/O.NEW.KLSX.FL.W.0077.210412T1800Z-000000T0000Z/
/HARI2.1.ER.210412T1800Z.210414T1200Z.000000T0000Z.NO/
858 PM CDT Sun Apr 11 2021
The National Weather Service in St Louis has issued a
* Flood Warning for
the Illinois River at Hardin.
* From Monday afternoon until further notice.
* At 8:30 PM CDT Sunday the stage was 23.9 feet.
* Flood stage is 25.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage early
tomorrow afternoon and continue rising to a crest of 26.4 feet
Wednesday morning.
* Impact...At 25.0 feet, Flood Stage. Lowland flooding of
unprotected agricultural land begins.
&&
Fld Observed Forecasts (7 pm CDT)
Location Stg Stg Day/Time Mon Tue Wed Thu Fri
Illinois River
Hardin 25.0 23.9 Sun 8 pm 25.3 26.2 26.4 26.3 26.0
&&
LAT...LON 3952 9064 3952 9052 3898 9048 3891 9054
3903 9062
$$
Elmore9 follow-up statements
310
WGUS83 KLSX 121613
FLSLSX
Flood Statement
National Weather Service St Louis MO
1113 AM CDT Mon Apr 12 2021
...The Flood Warning continues for the following river in Illinois...
Illinois River at Hardin.
River forecasts are based on observed precipitation and forecast
precipitation for the next 24 hours.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
This product, along with additional weather and stream information,
is available at https://water.weather.gov/ahps2/index.php?wfo=lsx.
&&
ILC013-061-083-140415-
/O.EXT.KLSX.FL.W.0077.210413T0000Z-210419T0600Z/
/HARI2.1.ER.210413T0000Z.210414T0600Z.210418T0000Z.NO/
1113 AM CDT Mon Apr 12 2021
...The Flood Warning is now in effect until early Monday morning...
The Flood Warning continues for
the Illinois River at Hardin.
* From this evening to late Sunday night.
* At 11:00 AM CDT Monday the stage was 24.7 feet.
* Flood stage is 25.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage this
evening to a crest of 26.0 feet early Wednesday morning. It will
then fall below flood stage Saturday evening.
* Impact...At 25.0 feet, Flood Stage. Lowland flooding of
unprotected agricultural land begins.
&&
Fld Observed Forecasts (1 pm CDT)
Location Stg Stg Day/Time Tue Wed Thu Fri Sat
Illinois River
Hardin 25.0 24.7 Mon 11 am 25.7 26.0 25.9 25.7 25.2
&&
LAT...LON 3952 9064 3952 9052 3898 9048 3891 9054
3903 9062
$$
MRM714
WGUS83 KLSX 130103
FLSLSX
Flood Statement
National Weather Service St Louis MO
803 PM CDT Mon Apr 12 2021
...The Flood Warning continues for the following rivers in
Illinois...
Illinois River at Hardin.
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.
&&
ILC013-061-083-141315-
/O.CON.KLSX.FL.W.0077.000000T0000Z-210419T0600Z/
/HARI2.1.ER.210412T2310Z.210414T0600Z.210418T0000Z.NO/
803 PM CDT Mon Apr 12 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Illinois River at Hardin.
* Until late Sunday night.
* At 7:30 PM CDT Monday the stage was 25.1 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 7:30 PM CDT Monday was 25.1 feet.
* Forecast...The river is expected to rise to a crest of 26.0 feet
early Wednesday morning. It will then fall below flood stage
Saturday evening.
* Impact...At 25.0 feet, Flood Stage. Lowland flooding of
unprotected agricultural land begins.
&&
Fld Observed Forecasts (7 pm CDT)
Location Stg Stg Day/Time Tue Wed Thu Fri Sat
Illinois River
Hardin 25.0 25.1 Mon 7 pm 25.9 26.0 25.9 25.6 25.0
&&
LAT...LON 3952 9064 3952 9052 3898 9048 3891 9054
3903 9062
$$
Elmore588
WGUS83 KLSX 131536
FLSLSX
Flood Statement
National Weather Service St Louis MO
1036 AM CDT Tue Apr 13 2021
...The Flood Warning continues for the following river in Illinois...
Illinois River at Hardin.
River forecasts are based on observed precipitation and forecast
precipitation for the next 24 hours.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
This product, along with additional weather and stream information,
is available at https://water.weather.gov/ahps2/index.php?wfo=lsx.
&&
ILC013-061-083-150345-
/O.EXT.KLSX.FL.W.0077.000000T0000Z-210418T1600Z/
/HARI2.1.ER.210412T2310Z.210414T1800Z.210417T1000Z.NO/
1036 AM CDT Tue Apr 13 2021
...The Flood Warning is now in effect until late Sunday morning...
The Flood Warning continues for
the Illinois River at Hardin.
* Until Sunday morning.
* At 10:00 AM CDT Tuesday the stage was 25.4 feet.
* Flood stage is 25.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 10:00 AM CDT Tuesday was 25.4 feet.
* Forecast...The river is expected to rise to a crest of 25.8 feet
early tomorrow afternoon. It will then fall below flood stage
early Saturday morning.
* Impact...At 25.0 feet, Flood Stage. Lowland flooding of
unprotected agricultural land begins.
&&
Fld Observed Forecasts (1 pm CDT)
Location Stg Stg Day/Time Wed Thu Fri Sat Sun
Illinois River
Hardin 25.0 25.4 Tue 10 am 25.8 25.8 25.5 24.7 23.7
&&
LAT...LON 3952 9064 3952 9052 3898 9048 3891 9054
3903 9062
$$
Byrd281
WGUS83 KLSX 140058
FLSLSX
Flood Statement
National Weather Service St Louis MO
758 PM CDT Tue Apr 13 2021
...The Flood Warning is extended for the following rivers in
Illinois...
La Moine River at Ripley.
...The Flood Warning continues for the following rivers in
Illinois...
Illinois River at Hardin.
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.
&&
ILC009-151300-
/O.EXT.KLSX.FL.W.0060.000000T0000Z-210416T1800Z/
/RIPI2.1.ER.210411T1330Z.210415T0000Z.210415T1200Z.NO/
758 PM CDT Tue Apr 13 2021
...The Flood Warning is now in effect until early Friday afternoon...
The Flood Warning continues for
the La Moine River at Ripley.
* Until Friday afternoon.
* At 6:45 PM CDT Tuesday the stage was 21.9 feet.
* Flood stage is 22.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage just
after midnight tonight to a crest of 22.3 feet tomorrow evening.
It will then fall below flood stage Thursday morning.
* Impact...At 22.0 feet, FLOOD STAGE. Farmland flooding and rural
damages begin.
&&
Fld Observed Forecasts (7 pm CDT)
Location Stg Stg Day/Time Wed Thu Fri Sat Sun
La Moine River
Ripley 22.0 21.9 Tue 6 pm 22.3 21.3 17.9 13.1 10.6
&&
LAT...LON 4013 9074 4013 9068 4000 9051 3996 9052
3998 9064
$$
ILC013-061-083-151300-
/O.CON.KLSX.FL.W.0077.000000T0000Z-210418T1600Z/
/HARI2.1.ER.210412T2310Z.210414T1800Z.210417T1000Z.NO/
758 PM CDT Tue Apr 13 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Illinois River at Hardin.
* Until Sunday morning.
* At 7:30 PM CDT Tuesday the stage was 25.6 feet.
* Flood stage is 25.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 7:30 PM CDT Tuesday was 25.6 feet.
* Forecast...The river is expected to rise to a crest of 25.8 feet
early tomorrow afternoon. It will then fall below flood stage
early Saturday morning.
* Impact...At 25.0 feet, Flood Stage. Lowland flooding of
unprotected agricultural land begins.
&&
Fld Observed Forecasts (7 pm CDT)
Location Stg Stg Day/Time Wed Thu Fri Sat Sun
Illinois River
Hardin 25.0 25.6 Tue 7 pm 25.8 25.8 25.4 24.5 23.4
&&
LAT...LON 3952 9064 3952 9052 3898 9048 3891 9054
3903 9062
$$
Elmore062
WGUS83 KLSX 141459
FLSLSX
Flood Statement
National Weather Service St Louis MO
959 AM CDT Wed Apr 14 2021
...The Flood Warning continues for the following rivers in
Illinois...
Illinois River at Hardin.
River forecasts are based on observed precipitation and forecast
precipitation for the next 24 hours.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Caution is urged when walking near riverbanks.
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.
&&
ILC013-061-083-160300-
/O.EXT.KLSX.FL.W.0077.000000T0000Z-210418T0300Z/
/HARI2.1.ER.210412T2310Z.210414T1430Z.210416T2100Z.NO/
959 AM CDT Wed Apr 14 2021
...The Flood Warning is now in effect until late Saturday evening...
The Flood Warning continues for
the Illinois River at Hardin.
* Until Saturday evening.
* At 9:30 AM CDT Wednesday the stage was 25.7 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 9:30 AM CDT Wednesday was 25.7 feet.
* Forecast...The river is expected to fall below flood stage Friday
afternoon and continue falling to 22.1 feet Tuesday morning.
* Impact...At 25.0 feet, Flood Stage. Lowland flooding of
unprotected agricultural land begins.
&&
Fld Observed Forecasts (7 am CDT)
Location Stg Stg Day/Time Thu Fri Sat Sun Mon
Illinois River
Hardin 25.0 25.7 Wed 9 am 25.7 25.3 24.3 23.2 22.4
&&
LAT...LON 3952 9064 3952 9052 3898 9048 3891 9054
3903 9062
$$
MRB591
WGUS83 KLSX 150018
FLSLSX
Flood Statement
National Weather Service St Louis MO
718 PM CDT Wed Apr 14 2021
...The Flood Warning continues for the following river in Illinois...
Illinois River at Hardin.
River forecasts are based on observed precipitation and forecast
precipitation for the next 24 hours.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
This product, along with additional weather and stream information,
is available at https://water.weather.gov/ahps2/index.php?wfo=lsx.
&&
ILC013-061-083-161230-
/O.EXT.KLSX.FL.W.0077.000000T0000Z-210418T0000Z/
/HARI2.1.ER.210412T2310Z.210414T1630Z.210416T1800Z.NO/
718 PM CDT Wed Apr 14 2021
...The Flood Warning is now in effect until Saturday evening...
The Flood Warning continues for
the Illinois River at Hardin.
* Until Saturday evening.
* At 7:00 PM CDT Wednesday the stage was 25.7 feet.
* Flood stage is 25.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast...The river is expected to crest near 25.7 feet late
tonight.
&&
Fld Observed Forecasts (7 pm CDT)
Location Stg Stg Day/Time Thu Fri Sat Sun Mon
Illinois River
Hardin 25.0 25.7 Wed 7 pm 25.4 24.8 23.7 22.8 22.2
&&
LAT...LON 3952 9064 3952 9052 3898 9048 3891 9054
3903 9062
$$
Gosselin058
WGUS83 KLSX 151612
FLSLSX
Flood Statement
National Weather Service St Louis MO
1112 AM CDT Thu Apr 15 2021
...The Flood Warning continues for the following rivers in
Illinois...
Illinois River at Hardin.
River forecasts are based on observed precipitation and forecast
precipitation for the next 24 hours.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
This product, along with additional weather and stream information,
is available at https://water.weather.gov/ahps2/index.php?wfo=lsx.
&&
ILC013-061-083-170415-
/O.EXT.KLSX.FL.W.0077.000000T0000Z-210417T1800Z/
/HARI2.1.ER.210412T2310Z.210414T1630Z.210416T1200Z.NO/
1112 AM CDT Thu Apr 15 2021
...The Flood Warning is now in effect until early Saturday
afternoon...
The Flood Warning continues for
the Illinois River at Hardin.
* Until Saturday afternoon.
* At 11:00 AM CDT Thursday the stage was 25.4 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 11:00 AM CDT Thursday was 25.7 feet.
* Forecast...The river is expected to fall below flood stage
tomorrow morning and continue falling to 21.5 feet Wednesday
morning.
* Impact...At 25.0 feet, Flood Stage. Lowland flooding of
unprotected agricultural land begins.
&&
Fld Observed Forecasts (1 pm CDT)
Location Stg Stg Day/Time Fri Sat Sun Mon Tue
Illinois River
Hardin 25.0 25.4 Thu 11 am 24.7 23.2 22.2 21.8 21.6
&&
LAT...LON 3952 9064 3952 9052 3898 9048 3891 9054
3903 9062
$$
TES376
WGUS83 KLSX 160035
FLSLSX
Flood Statement
National Weather Service St Louis MO
735 PM CDT Thu Apr 15 2021
...The Flood Warning continues for the following river in Illinois...
Illinois River at Hardin.
River forecasts are based on observed precipitation and forecast
precipitation for the next 24 hours.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
This product, along with additional weather and stream information,
is available at https://water.weather.gov/ahps2/index.php?wfo=lsx.
&&
ILC013-061-083-171200-
/O.EXT.KLSX.FL.W.0077.000000T0000Z-210417T1200Z/
/HARI2.1.ER.210412T2310Z.210414T1630Z.210416T0600Z.NO/
735 PM CDT Thu Apr 15 2021
...The Flood Warning is now in effect until Saturday morning...
The Flood Warning continues for
the Illinois River at Hardin.
* Until Saturday morning.
* At 7:00 PM CDT Thursday the stage was 25.2 feet.
* Flood stage is 25.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast...The river is expected to fall below flood stage late
tonight.
&&
Fld Observed Forecasts (7 pm CDT)
Location Stg Stg Day/Time Fri Sat Sun Mon Tue
Illinois River
Hardin 25.0 25.2 Thu 7 pm 24.3 22.9 22.0 21.7 21.6
&&
LAT...LON 3952 9064 3952 9052 3898 9048 3891 9054
3903 9062
$$
Gosselin256
WGUS83 KLSX 160907
FLSLSX
Flood Statement
National Weather Service St Louis MO
407 AM CDT Fri Apr 16 2021
...The Flood Warning is cancelled for the following rivers in
Illinois...
Illinois River at Hardin.
River forecasts are based on observed precipitation and forecast
precipitation for the next 24 hours.
ILC013-061-083-161015-
/O.CAN.KLSX.FL.W.0077.000000T0000Z-210416T0907Z/
/HARI2.1.ER.210412T2310Z.210414T1630Z.210416T0500Z.NO/
407 AM CDT Fri Apr 16 2021
...The Flood Warning for the Illinois River at Hardin has been
cancelled...
The Flood Warning is cancelled for
the Illinois River at Hardin.
* At 3:30 AM CDT Friday the stage was 24.9 feet.
* Flood stage is 25.0 feet.
* Forecast...The river is expected to fall to 21.5 feet early
Wednesday morning.
&&
Fld Observed Forecasts (7 am CDT)
Location Stg Stg Day/Time Sat Sun Mon Tue Wed
Illinois River
Hardin 25.0 24.9 Fri 3 am 23.5 22.4 21.8 21.6 21.5
&&
LAT...LON 3952 9064 3952 9052 3898 9048 3891 9054
3903 9062
$$
BrittThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 11, 9:13 PM CDT | River Flood Warning | LSX | Madison | 4 days |
| Apr 11, 9:13 PM CDT | River Flood Warning | LSX | Adams | 14 hr |
| Apr 11, 9:13 PM CDT | River Flood Warning | LSX | Jackson, Randolph | 6 days |
| Apr 11, 9:13 PM CDT | River Flood Warning | LSX | Jersey | 4 days |
Nearby
River Flood Warnings in Illinois, 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.