Alert archive / Illinois / River Flood Warnings in 2021
River Flood Warning 44, NWS Lincoln, IL
NWS Lincoln, IL issued this river flood warning at Jul 17, 2021, 11:10 AM CDT for Piatt County, Illinois. It took effect at Jul 19, 2021, 1:00 PM CDT. It was in force for 55 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 17, 2021, 11:10 AM CDT (16:10 UTC)
- In effect from
- Jul 19, 2021, 1:00 PM CDT
- Expired
- Jul 21, 2021, 8:06 PM CDT
- In force
- 55 hr
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Flood severity
- Minor
County Piatt County, IL
The radar
The Lincoln radar (KILX), 65 km from the middle of the area, began a volume at 16:08 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 Sangamon River at Monticello (MNTI2). The gauge peaked at 13.09 ft at Jul 21, 2021, 4:00 AM CDT.
- Action stage
- 11 ft
- Minor stage
- 13 ft
- Moderate stage
- 17 ft
- Major stage
- 20 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 05572000, 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.
064
WGUS43 KILX 171610
FLWILX
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Lincoln IL
1110 AM CDT Sat Jul 17 2021
...The National Weather Service in Lincoln IL has issued a Flood
Warning for the following rivers in Illinois...
Sangamon River at Monticello affecting Piatt County.
.The following forecasts are based on observed precipitation, soil
moisture conditions, and forecast precipitation.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Persons with interests along this river need to prepare for
flooding. Stay tuned for further updates on this flooding situation.
&&
Additional information is available at www.weather.gov.
ILC147-180815-
/O.NEW.KILX.FL.W.0044.210719T1800Z-210721T0300Z/
/MNTI2.1.ER.210719T1800Z.210720T0600Z.210720T2100Z.NO/
1110 AM CDT Sat Jul 17 2021
The National Weather Service in Lincoln has issued a
* Flood Warning for
the Sangamon River at Monticello.
* From Monday afternoon to late Tuesday evening.
* At 11:00 AM CDT Saturday the stage was 10.5 feet.
* Flood stage is 13.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage early
Monday afternoon to a crest of 13.3 feet early Tuesday morning. It
will then fall below flood stage Tuesday afternoon.
* Impact...At 13.0 feet, Flooding of agricultural areas begins.
&&
Fld Observed Forecasts (1 pm CDT)
Location Stg Stg Day/Time Sun Mon Tue
Sangamon River
Monticello 13.0 10.5 Sat 11 am CD 12.0 13.0 13.1
&&
LAT...LON 4019 8847 4008 8847 4001 8854 3990 8874
4000 8874 4006 8861
$$
Ousley10 follow-up statements
657
WGUS83 KILX 180227
FLSILX
Flood Statement
National Weather Service Lincoln IL
927 PM CDT Sat Jul 17 2021
...The Flood Warning is extended for the following rivers in
Illinois...
Sangamon River near Chandlerville affecting Cass and Mason
Counties.
Sangamon River at Monticello affecting Piatt County.
.The following forecasts are based on observed precipitation, soil
moisture conditions, and forecast precipitation.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Persons with interests along this river need to prepare for
flooding. Stay tuned for further updates on this flooding situation.
&&
Additional information is available at www.weather.gov.
ILC017-125-181830-
/O.EXT.KILX.FL.W.0043.000000T0000Z-210720T2136Z/
/CDLI2.1.ER.210717T2335Z.210719T1200Z.210720T1536Z.NO/
927 PM CDT Sat Jul 17 2021
...The Flood Warning is now in effect until Tuesday afternoon...
The Flood Warning continues for
the Sangamon River near Chandlerville.
* Until Tuesday afternoon.
* At 9:00 PM CDT Saturday the stage was 456.7 feet.
* Flood stage is 456.6 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 9:00 PM CDT Saturday was 456.7 feet.
* Forecast...The river is expected to rise to a crest of 457.9 feet
Monday morning. It will then fall below flood stage late Tuesday
morning.
* Impact...At 459.9 feet, Flooding begins to impact some residences
in Chandlerville.
&&
Fld Observed Forecasts (7 pm CDT)
Location Stg Stg Day/Time Sun Mon Tue
Sangamon River
Chandlerville 456.6 456.7 Sat 9 pm CDT 457.6 457.7 455.8
&&
LAT...LON 4013 9007 4006 9002 4002 9016 4003 9043
4010 9036 4010 9017
$$
ILC147-181830-
/O.EXT.KILX.FL.W.0044.210719T2200Z-210721T1000Z/
/MNTI2.1.ER.210719T2200Z.210720T1200Z.210721T0400Z.NO/
927 PM CDT Sat Jul 17 2021
...The Flood Warning is now in effect until early Wednesday
morning...
The Flood Warning continues for
the Sangamon River at Monticello.
* From Monday afternoon to early Wednesday morning.
* At 9:00 PM CDT Saturday the stage was 10.8 feet.
* Flood stage is 13.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage Monday
afternoon to a crest of 13.5 feet Tuesday morning. It will then
fall below flood stage late Tuesday evening.
* Impact...At 13.0 feet, Flooding of agricultural areas begins.
&&
Fld Observed Forecasts (7 pm CDT)
Location Stg Stg Day/Time Sun Mon Tue
Sangamon River
Monticello 13.0 10.8 Sat 9 pm CDT 11.8 13.1 13.2
&&
LAT...LON 4019 8847 4008 8847 4001 8854 3990 8874
4000 8874 4006 8861
$$
MJA337
WGUS83 KILX 181457
FLSILX
Flood Statement
National Weather Service Lincoln IL
957 AM CDT Sun Jul 18 2021
...The Flood Warning is extended for the following rivers in
Illinois...
Sangamon River at Monticello affecting Piatt County.
.The following forecasts are based on observed precipitation, soil
moisture conditions, and forecast precipitation.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Persons with interests along this river need to prepare for
flooding. Stay tuned for further updates on this flooding situation.
&&
Additional information is available at www.weather.gov.
ILC147-190700-
/O.EXT.KILX.FL.W.0044.210719T2230Z-210722T0600Z/
/MNTI2.1.ER.210719T2230Z.210721T0000Z.210722T0000Z.NO/
957 AM CDT Sun Jul 18 2021
...The Flood Warning is now in effect until early Thursday morning...
The Flood Warning continues for
the Sangamon River at Monticello.
* From Monday afternoon to early Thursday morning.
* At 9:00 AM CDT Sunday the stage was 11.1 feet.
* Flood stage is 13.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage
tomorrow afternoon to a crest of 14.0 feet Tuesday evening. It
will then fall below flood stage Wednesday evening.
* Impact...At 13.0 feet, Flooding of agricultural areas begins.
&&
Fld Observed Forecasts (7 am CDT)
Location Stg Stg Day/Time Mon Tue Wed
Sangamon River
Monticello 13.0 11.1 Sun 9 am CDT 12.3 13.7 13.7
&&
LAT...LON 4019 8847 4008 8847 4001 8854 3990 8874
4000 8874 4006 8861
$$
Barnes691
WGUS83 KILX 190213
FLSILX
Flood Statement
National Weather Service Lincoln IL
913 PM CDT Sun Jul 18 2021
...The Flood Warning continues for the following rivers in
Illinois...
Sangamon River near Chandlerville affecting Cass and Mason
Counties.
Sangamon River at Monticello affecting Piatt County.
.The following forecasts are based on observed precipitation, soil
moisture conditions, and forecast precipitation.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Persons with interests along this river need to prepare for
flooding. Stay tuned for further updates on this flooding situation.
&&
Additional information is available at www.weather.gov.
ILC017-125-191815-
/O.CON.KILX.FL.W.0043.000000T0000Z-210720T1500Z/
/CDLI2.1.ER.210717T2335Z.210719T0600Z.210720T0900Z.NO/
913 PM CDT Sun Jul 18 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Sangamon River near Chandlerville.
* Until late Tuesday morning.
* At 9:00 PM CDT Sunday the stage was 456.9 feet.
* Flood stage is 456.6 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 Sunday was 457.1 feet.
* Forecast...The river is expected to rise to a crest of 457.2 feet
just after midnight tonight. It will then fall below flood stage
early Tuesday morning.
&&
Fld Observed Forecasts (7 pm CDT)
Location Stg Stg Day/Time Mon Tue Wed
Sangamon River
Chandlerville 456.6 456.9 Sun 9 pm CDT 457.0 455.5 453.9
&&
LAT...LON 4013 9007 4006 9002 4002 9016 4003 9043
4010 9036 4010 9017
$$
ILC147-191815-
/O.CON.KILX.FL.W.0044.210719T2230Z-210722T0600Z/
/MNTI2.1.ER.210719T2230Z.210721T0000Z.210722T0000Z.NO/
913 PM CDT Sun Jul 18 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Sangamon River at Monticello.
* From Monday afternoon to early Thursday morning.
* At 9:00 PM CDT Sunday the stage was 11.4 feet.
* Flood stage is 13.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage
tomorrow afternoon to a crest of 14.0 feet Tuesday evening. It
will then fall below flood stage Wednesday evening.
* Impact...At 13.0 feet, Flooding of agricultural areas begins.
&&
Fld Observed Forecasts (7 pm CDT)
Location Stg Stg Day/Time Mon Tue Wed
Sangamon River
Monticello 13.0 11.4 Sun 9 pm CDT 13.1 14.0 13.0
&&
LAT...LON 4019 8847 4008 8847 4001 8854 3990 8874
4000 8874 4006 8861
$$
MJA559
WGUS83 KILX 190410
FLSILX
Flood Statement
National Weather Service Lincoln IL
1110 PM CDT Sun Jul 18 2021
...The Flood Warning is extended for the following rivers in
Illinois...
Sangamon River at Monticello affecting Piatt County.
...The Flood Warning continues for the following rivers in
Illinois...
Sangamon River near Chandlerville affecting Cass and Mason
Counties.
.The following forecasts are based on observed precipitation, soil
moisture conditions, and forecast precipitation.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Persons with interests along this river need to prepare for
flooding. Stay tuned for further updates on this flooding situation.
&&
Additional information is available at www.weather.gov.
ILC017-125-191800-
/O.EXT.KILX.FL.W.0043.000000T0000Z-210719T1800Z/
/CDLI2.1.ER.210717T2335Z.210718T1730Z.210719T1200Z.NO/
1110 PM CDT Sun Jul 18 2021
...The Flood Warning is now in effect until early tomorrow
afternoon...
The Flood Warning continues for
the Sangamon River near Chandlerville.
* Until early tomorrow afternoon.
* At 11:00 PM CDT Sunday the stage was 456.8 feet.
* Flood stage is 456.6 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 11:00 PM CDT Sunday was 457.1 feet.
* Forecast...The river is expected to fall below flood stage
tomorrow morning and continue falling to 451.3 feet Sunday evening.
&&
Fld Observed Forecasts (1 am CDT)
Location Stg Stg Day/Time Tue Wed Thu
Sangamon River
Chandlerville 456.6 456.8 Sun 11 pm CD 455.8 454.2 453.2
&&
LAT...LON 4013 9007 4006 9002 4002 9016 4003 9043
4010 9036 4010 9017
$$
ILC147-192015-
/O.EXT.KILX.FL.W.0044.210719T2248Z-210722T0600Z/
/MNTI2.1.ER.210719T2248Z.210721T0000Z.210722T0000Z.NO/
1110 PM CDT Sun Jul 18 2021
...The Flood Warning is now in effect until early Thursday morning...
The Flood Warning continues for
the Sangamon River at Monticello.
* From Monday afternoon to early Thursday morning.
* At 11:00 PM CDT Sunday the stage was 11.5 feet.
* Flood stage is 13.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage
tomorrow afternoon to a crest of 14.0 feet Tuesday evening. It
will then fall below flood stage Wednesday evening.
* Impact...At 13.0 feet, Flooding of agricultural areas begins.
&&
Fld Observed Forecasts (1 am CDT)
Location Stg Stg Day/Time Tue Wed Thu
Sangamon River
Monticello 13.0 11.5 Sun 11 pm CD 13.4 13.9 12.6
&&
LAT...LON 4019 8847 4008 8847 4001 8854 3990 8874
4000 8874 4006 8861
$$
25537
WGUS83 KILX 191343
FLSILX
Flood Statement
National Weather Service Lincoln IL
843 AM CDT Mon Jul 19 2021
...The Flood Warning continues for the following rivers in
Illinois...
Sangamon River at Monticello affecting Piatt County.
.The following forecasts are based on observed precipitation, soil
moisture conditions, and forecast precipitation.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Persons with interests along this river need to prepare for
flooding. Stay tuned for further updates on this flooding situation.
&&
Additional information is available at www.weather.gov.
ILC147-200545-
/O.EXT.KILX.FL.W.0044.210720T0300Z-210722T0430Z/
/MNTI2.1.ER.210720T0300Z.210721T0000Z.210721T2230Z.NO/
843 AM CDT Mon Jul 19 2021
...The Flood Warning is now in effect until late Wednesday evening...
The Flood Warning continues for
the Sangamon River at Monticello.
* From this evening to late Wednesday evening.
* At 8:00 AM CDT Monday the stage was 11.7 feet.
* Flood stage is 13.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late
this evening to a crest of 14.0 feet tomorrow evening. It will
then fall below flood stage Wednesday afternoon.
* Impact...At 13.0 feet, Flooding of agricultural areas begins.
&&
Fld Observed Forecasts (7 am CDT)
Location Stg Stg Day/Time Tue Wed Thu
Sangamon River
Monticello 13.0 11.7 Mon 8 am CDT 13.8 13.6 12.2
&&
LAT...LON 4019 8847 4008 8847 4001 8854 3990 8874
4000 8874 4006 8861
$$
DRH078
WGUS83 KILX 200157
FLSILX
Flood Statement
National Weather Service Lincoln IL
857 PM CDT Mon Jul 19 2021
...The Flood Warning continues for the following rivers in
Illinois...
Sangamon River at Monticello affecting Piatt County.
.The following forecasts are based on observed precipitation, soil
moisture conditions, and forecast precipitation.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Persons with interests along this river need to prepare for
flooding. Stay tuned for further updates on this flooding situation.
&&
Additional information is available at www.weather.gov.
ILC147-201800-
/O.EXT.KILX.FL.W.0044.210720T1200Z-210721T2136Z/
/MNTI2.1.ER.210720T1200Z.210721T0000Z.210721T1536Z.NO/
857 PM CDT Mon Jul 19 2021
...The Flood Warning is now in effect until Wednesday afternoon...
The Flood Warning continues for
the Sangamon River at Monticello.
* From Tuesday morning to Wednesday afternoon.
* At 8:00 PM CDT Monday the stage was 12.1 feet.
* Flood stage is 13.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage
tomorrow morning to a crest of 13.6 feet tomorrow evening. It will
then fall below flood stage late Wednesday morning.
* Impact...At 13.0 feet, Flooding of agricultural areas begins.
&&
Fld Observed Forecasts (7 pm CDT)
Location Stg Stg Day/Time Tue Wed Thu
Sangamon River
Monticello 13.0 12.1 Mon 8 pm CDT 13.6 12.1 10.4
&&
LAT...LON 4019 8847 4008 8847 4001 8854 3990 8874
4000 8874 4006 8861
$$
MJA453
WGUS83 KILX 201215
FLSILX
Flood Statement
National Weather Service Lincoln IL
715 AM CDT Tue Jul 20 2021
...The Flood Warning is extended for the following rivers in
Illinois...
Sangamon River at Monticello affecting Piatt County.
.The following forecasts are based on observed precipitation, soil
moisture conditions, and forecast precipitation.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Persons with interests along this river need to prepare for
flooding. Stay tuned for further updates on this flooding situation.
&&
Additional information is available at www.weather.gov.
ILC147-210415-
/O.EXT.KILX.FL.W.0044.000000T0000Z-210722T0600Z/
/MNTI2.1.ER.210720T2100Z.210721T0600Z.210722T0000Z.NO/
715 AM CDT Tue Jul 20 2021
...The Flood Warning is now in effect until early Thursday morning...
The Flood Warning continues for
the Sangamon River at Monticello.
* Until early Thursday morning.
* At 7:00 AM CDT Tuesday the stage was 12.6 feet.
* Flood stage is 13.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late
this afternoon to a crest of 13.3 feet just after midnight
tonight. It will then fall below flood stage tomorrow evening.
* Impact...At 13.0 feet, Flooding of agricultural areas begins.
&&
Fld Observed Forecasts (7 am CDT)
Location Stg Stg Day/Time Wed Thu Fri
Sangamon River
Monticello 13.0 12.6 Tue 7 am CDT 13.3 12.5 11.1
&&
LAT...LON 4019 8847 4008 8847 4001 8854 3990 8874
4000 8874 4006 8861
$$
DRH797
WGUS83 KILX 210156
FLSILX
Flood Statement
National Weather Service Lincoln IL
856 PM CDT Tue Jul 20 2021
...The Flood Warning is extended for the following rivers in
Illinois...
Sangamon River at Monticello affecting Piatt County.
.The following forecasts are based on observed precipitation, soil
moisture conditions, and forecast precipitation.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Persons with interests along this river need to prepare for
flooding. Stay tuned for further updates on this flooding situation.
&&
Additional information is available at www.weather.gov.
ILC147-211800-
/O.EXT.KILX.FL.W.0044.000000T0000Z-210722T0800Z/
/MNTI2.1.ER.210721T0127Z.210721T1200Z.210722T0200Z.NO/
856 PM CDT Tue Jul 20 2021
...The Flood Warning is now in effect until early Thursday morning...
The Flood Warning continues for
the Sangamon River at Monticello.
* Until early Thursday morning.
* At 8:00 PM CDT Tuesday the stage was 13.0 feet.
* Flood stage is 13.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise to a crest of 13.3 feet
tomorrow morning. It will then fall below flood stage late
tomorrow evening.
* Impact...At 13.0 feet, Flooding of agricultural areas begins.
&&
Fld Observed Forecasts (7 pm CDT)
Location Stg Stg Day/Time Wed Thu Fri
Sangamon River
Monticello 13.0 13.0 Tue 8 pm CDT 13.1 11.8 10.3
&&
LAT...LON 4019 8847 4008 8847 4001 8854 3990 8874
4000 8874 4006 8861
$$
MJA906
WGUS83 KILX 211421
FLSILX
Flood Statement
National Weather Service Lincoln IL
921 AM CDT Wed Jul 21 2021
...The Flood Warning continues for the following rivers in
Illinois...
Sangamon River at Monticello affecting Piatt County.
.The following forecasts are based on observed precipitation, soil
moisture conditions, and forecast precipitation.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Persons with interests along this river need to prepare for
flooding. Stay tuned for further updates on this flooding situation.
&&
Additional information is available at www.weather.gov.
ILC147-220600-
/O.EXT.KILX.FL.W.0044.000000T0000Z-210722T0600Z/
/MNTI2.1.ER.210721T0127Z.210721T1245Z.210722T0000Z.NO/
921 AM CDT Wed Jul 21 2021
...The Flood Warning is now in effect until just after midnight
tonight...
The Flood Warning continues for
the Sangamon River at Monticello.
* Until just after midnight tonight.
* At 9:00 AM CDT Wednesday the stage was 13.1 feet.
* Flood stage is 13.0 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 Wednesday was 13.1 feet.
* Forecast...The river is expected to rise to a crest of 13.1 feet
this afternoon. It will then fall below flood stage this evening.
* Impact...At 13.0 feet, Flooding of agricultural areas begins.
&&
Fld Observed Forecasts (7 am CDT)
Location Stg Stg Day/Time Thu Fri Sat
Sangamon River
Monticello 13.0 13.1 Wed 9 am CDT 12.5 10.9 9.6
&&
LAT...LON 4019 8847 4008 8847 4001 8854 3990 8874
4000 8874 4006 8861
$$
DRH304
WGUS83 KILX 220106
FLSILX
Flood Statement
National Weather Service Lincoln IL
806 PM CDT Wed Jul 21 2021
...The Flood Warning is cancelled for the following rivers in
Illinois...
Sangamon River at Monticello affecting Piatt County.
.The following forecasts are based on observed precipitation, soil
moisture conditions, and forecast precipitation.
ILC147-220215-
/O.CAN.KILX.FL.W.0044.000000T0000Z-210722T0106Z/
/MNTI2.1.ER.210721T0127Z.210721T1245Z.210722T0000Z.NO/
806 PM CDT Wed Jul 21 2021
...The Flood Warning for the Sangamon River at Monticello has been
cancelled...
The Flood Warning is cancelled for
the Sangamon River at Monticello.
* At 8:00 PM CDT Wednesday the stage was 12.9 feet.
* Flood stage is 13.0 feet.
* Forecast...The river is expected to fall to 8.5 feet Wednesday
morning.
&&
Fld Observed Forecasts (7 pm CDT)
Location Stg Stg Day/Time Thu Fri Sat
Sangamon River
Monticello 13.0 12.9 Wed 8 pm CDT 11.8 10.2 9.2
&&
LAT...LON 4019 8847 4008 8847 4001 8854 3990 8874
4000 8874 4006 8861
$$
MJAThe office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 8:43 PM CDT | River Flood Warning | ILX | Cass, Mason | 60 hr |
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.