Flood Warning
Flood Statement
National Weather Service Lincoln IL
336 PM CDT Thu Aug 20 2026
...The Flood Warning continues for the following rivers in
Illinois...
Illinois River at Beardstown affecting Schuyler, Morgan, Brown and
Cass Counties.
Illinois River near Havana affecting Cass, Mason and Fulton
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 remain aware of the
latest forecasts and associated flood risk for their area. Stay tuned
for further updates on this flooding situation.
Additional information is available at www.weather.gov.
The next statement will be issued late tonight at 345 AM CDT.
&&
ILC009-017-137-169-210845-
/O.CON.KILX.FL.W.0038.000000T0000Z-000000T0000Z/
/BEAI2.1.ER.260818T0330Z.260822T1200Z.000000T0000Z.NO/
336 PM CDT Thu Aug 20 2026
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Illinois River at Beardstown.
* WHEN...Until further notice.
* IMPACTS...At 18.0 feet, Seepage problems begin in the Lost Creek
Drainage and Levee District.
* ADDITIONAL DETAILS...
- At 2:45 PM CDT Thursday the stage was 16.1 feet.
- Recent Activity...The maximum river stage in the 24 hours ending
at 2:45 PM CDT Thursday was 16.1 feet.
- Forecast...The river is expected to rise to a crest of 16.5 feet
Saturday morning.
- Flood stage is 14.0 feet.
- http://www.weather.gov/safety/flood
&&
All Times CDT Fld Observed Forecasts (1 pm)
Location Stg Stg Day/Time Fri Sat Sun
Illinois River
Beardstown 14.0 16.1 Thu 2 pm 16.3 16.5 16.4
&&
LAT...LON 4018 9023 4012 9017 4008 9037 3999 9046
3999 9058 4015 9043
$$
Flood Statement
National Weather Service Lincoln IL
336 PM CDT Thu Aug 20 2026
...The Flood Warning continues for the following rivers in
Illinois...
Illinois River at Beardstown affecting Schuyler, Morgan, Brown and
Cass Counties.
Illinois River near Havana affecting Cass, Mason and Fulton
Counties.
.The following forecasts are based on observed precipitation, soil
moisture conditions, and forecast precipitation.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Persons with interests along this river need to remain aware of the
latest forecasts and associated flood risk for their area. Stay tuned
for further updates on this flooding situation.
Additional information is available at www.weather.gov.
The next statement will be issued late tonight at 345 AM CDT.
&&
ILC017-057-125-210845-
/O.CON.KILX.FL.W.0037.000000T0000Z-000000T0000Z/
/HAVI2.1.ER.260816T0245Z.260821T0000Z.000000T0000Z.NO/
336 PM CDT Thu Aug 20 2026
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Illinois River near Havana.
* WHEN...Until further notice.
* ADDITIONAL DETAILS...
- At 2:45 PM CDT Thursday the stage was 16.8 feet.
- Recent Activity...The maximum river stage in the 24 hours ending
at 2:45 PM CDT Thursday was 16.9 feet.
- Forecast...The river is expected to rise to a crest of 16.9 feet
this evening.
- Flood stage is 14.0 feet.
- http://www.weather.gov/safety/flood
&&
All Times CDT Fld Observed Forecasts (1 pm)
Location Stg Stg Day/Time Fri Sat Sun
Illinois River
Havana 14.0 16.8 Thu 2 pm 16.9 16.8 16.7
&&
LAT...LON 4053 8988 4047 8980 4034 9002 4012 9017
4018 9023 4039 9010
$$
Flood Statement
National Weather Service Indianapolis IN
1246 PM EDT Thu Aug 20 2026
...The Flood Warning is extended for the following rivers in
Indiana...Illinois...
Wabash River at Lafayette.
Wildcat Creek near Lafayette.
Wabash River at Riverton.
Wabash River at Terre Haute.
Wabash River at Hutsonville Legacy Power Plant Site.
Wabash River at Montezuma.
Wabash River at Covington.
Wabash River at Vincennes.
.Heavy to extreme rainfall across northern central Indiana
since last week has produced minor to moderate flooding along most
of the Wabash River from Lafayette down to Riverton already, with
the crest in moderate flood passing Montezuma very slowly as of
Thursday afternoon. Moderate flooding has also reached Terre Haute
and the crest will take a couple of days to pass. This first crest
should reach Vincennes around Tuesday. The heavy rainfall Wednesday
through early Thursday morning across the area is bringing a
secondary crest and renewed flooding to the Lafayette area, but this
secondary crest will spread out by the time it gets further
downriver and should not raise the primary crest but instead keep
the river in flood longer.
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.
Additional information is available at www.weather.gov/ind.
The next statement should be issued late tonight by around 400 AM
EDT /300 AM CDT/.
&&
ILC023-033-INC153-167-210800-
/O.EXT.KIND.FL.W.0161.000000T0000Z-260828T0738Z/
/TERI3.2.ER.260814T2043Z.260821T1200Z.260827T1938Z.NO/
1246 PM EDT Thu Aug 20 2026 /1146 AM CDT Thu Aug 20 2026/
...FLOOD WARNING NOW IN EFFECT UNTIL FRIDAY, AUGUST 28...
* WHAT...Moderate flooding is occurring and moderate flooding is
forecast.
* WHERE...Wabash River at Terre Haute.
* WHEN...Until Friday, August 28.
* IMPACTS...At 24.9 feet, On May 3, 2011 two homes in West Terre
Haute area affected by seep water. River crested near 26.7 feet
about 2 days before.
* ADDITIONAL DETAILS...
- At 11:30 AM EDT Thursday /10:30 AM CDT Thursday/ the stage
was 24.6 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 11:30 AM EDT Thursday /10:30 AM CDT Thursday/ was
24.6 feet.
- Forecast...The river is expected to rise to a crest of 24.9
feet tomorrow morning. It will then fall below flood stage
Thursday, August 27.
- Flood stage is 16.5 feet.
- http://www.weather.gov/safety/flood
&&
LAT...LON 3961 8736 3943 8740 3930 8757 3932 8763
3945 8747 3961 8741
$$
Flood Statement
National Weather Service Indianapolis IN
1246 PM EDT Thu Aug 20 2026
...The Flood Warning is extended for the following rivers in
Indiana...Illinois...
Wabash River at Lafayette.
Wildcat Creek near Lafayette.
Wabash River at Riverton.
Wabash River at Terre Haute.
Wabash River at Hutsonville Legacy Power Plant Site.
Wabash River at Montezuma.
Wabash River at Covington.
Wabash River at Vincennes.
.Heavy to extreme rainfall across northern central Indiana
since last week has produced minor to moderate flooding along most
of the Wabash River from Lafayette down to Riverton already, with
the crest in moderate flood passing Montezuma very slowly as of
Thursday afternoon. Moderate flooding has also reached Terre Haute
and the crest will take a couple of days to pass. This first crest
should reach Vincennes around Tuesday. The heavy rainfall Wednesday
through early Thursday morning across the area is bringing a
secondary crest and renewed flooding to the Lafayette area, but this
secondary crest will spread out by the time it gets further
downriver and should not raise the primary crest but instead keep
the river in flood longer.
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.
Additional information is available at www.weather.gov/ind.
The next statement should be issued late tonight by around 400 AM
EDT /300 AM CDT/.
&&
ILC033-101-INC083-153-210800-
/O.EXT.KIND.FL.W.0162.000000T0000Z-260829T1525Z/
/RVTI3.1.ER.260815T1605Z.260824T0000Z.260829T0325Z.NO/
1246 PM EDT Thu Aug 20 2026 /1146 AM CDT Thu Aug 20 2026/
...FLOOD WARNING NOW IN EFFECT UNTIL SATURDAY, AUGUST 29...
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Wabash River at Riverton.
* WHEN...Until Saturday, August 29.
* IMPACTS...At 21.0 feet, Shortcut (gravel road) to Riverton floods
at 20 to 21 feet as Wabash River backs up Turtle Creek a few miles
south of Merom.
* ADDITIONAL DETAILS...
- At 12:00 PM EDT Thursday /11:00 AM CDT Thursday/ the stage
was 18.9 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 12:00 PM EDT Thursday /11:00 AM CDT Thursday/ was
18.9 feet.
- Forecast...The river is expected to rise to a crest of 21.5
feet Sunday evening. It will then fall below flood stage
Friday, August 28.
- Flood stage is 15.0 feet.
- http://www.weather.gov/safety/flood
&&
LAT...LON 3913 8761 3899 8748 3886 8750 3885 8756
3898 8759 3913 8768
$$
Flood Statement
National Weather Service Indianapolis IN
1246 PM EDT Thu Aug 20 2026
...The Flood Warning is extended for the following rivers in
Indiana...Illinois...
Wabash River at Lafayette.
Wildcat Creek near Lafayette.
Wabash River at Riverton.
Wabash River at Terre Haute.
Wabash River at Hutsonville Legacy Power Plant Site.
Wabash River at Montezuma.
Wabash River at Covington.
Wabash River at Vincennes.
.Heavy to extreme rainfall across northern central Indiana
since last week has produced minor to moderate flooding along most
of the Wabash River from Lafayette down to Riverton already, with
the crest in moderate flood passing Montezuma very slowly as of
Thursday afternoon. Moderate flooding has also reached Terre Haute
and the crest will take a couple of days to pass. This first crest
should reach Vincennes around Tuesday. The heavy rainfall Wednesday
through early Thursday morning across the area is bringing a
secondary crest and renewed flooding to the Lafayette area, but this
secondary crest will spread out by the time it gets further
downriver and should not raise the primary crest but instead keep
the river in flood longer.
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.
Additional information is available at www.weather.gov/ind.
The next statement should be issued late tonight by around 400 AM
EDT /300 AM CDT/.
&&
ILC033-101-INC083-153-210800-
/O.EXT.KIND.FL.W.0160.000000T0000Z-260830T0430Z/
/HUTI2.1.ER.000000T0000Z.260823T1200Z.260829T1630Z.NO/
1246 PM EDT Thu Aug 20 2026 /1146 AM CDT Thu Aug 20 2026/
...FLOOD WARNING NOW IN EFFECT UNTIL SUNDAY, AUGUST 30...
* WHAT...Minor flooding is forecast.
* WHERE...Wabash River at Hutsonville Legacy Power Plant Site.
* WHEN...Until Sunday, August 30.
* IMPACTS...At 23.8 feet, Ball field in Hutsonville is extensively
flooded. Blacktop road that runs along the Wabash River from
Hutsonville to Palestine is still above flood waters. Most all of
the roads leading from this road to the Wabash are underwater,
some by several feet of water.
* ADDITIONAL DETAILS...
- There is no current observed data.
- Forecast...The river is expected to rise to a crest of 23.4
feet Sunday morning. It will then fall below flood stage
Saturday, August 29.
- Flood stage is 16.0 feet.
- http://www.weather.gov/safety/flood
&&
LAT...LON 3930 8757 3923 8754 3912 8762 3912 8768
3922 8762 3932 8763
$$
Flood Statement
National Weather Service Indianapolis IN
1246 PM EDT Thu Aug 20 2026
...The Flood Warning is extended for the following rivers in
Indiana...Illinois...
Wabash River at Lafayette.
Wildcat Creek near Lafayette.
Wabash River at Riverton.
Wabash River at Terre Haute.
Wabash River at Hutsonville Legacy Power Plant Site.
Wabash River at Montezuma.
Wabash River at Covington.
Wabash River at Vincennes.
.Heavy to extreme rainfall across northern central Indiana
since last week has produced minor to moderate flooding along most
of the Wabash River from Lafayette down to Riverton already, with
the crest in moderate flood passing Montezuma very slowly as of
Thursday afternoon. Moderate flooding has also reached Terre Haute
and the crest will take a couple of days to pass. This first crest
should reach Vincennes around Tuesday. The heavy rainfall Wednesday
through early Thursday morning across the area is bringing a
secondary crest and renewed flooding to the Lafayette area, but this
secondary crest will spread out by the time it gets further
downriver and should not raise the primary crest but instead keep
the river in flood longer.
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.
Additional information is available at www.weather.gov/ind.
The next statement should be issued late tonight by around 400 AM
EDT /300 AM CDT/.
&&
ILC101-185-INC083-210800-
/O.EXT.KIND.FL.W.0174.260821T1800Z-260830T0313Z/
/VCNI3.1.ER.260821T1800Z.260825T1200Z.260829T1513Z.NO/
1246 PM EDT Thu Aug 20 2026 /1146 AM CDT Thu Aug 20 2026/
...FLOOD WARNING NOW IN EFFECT FROM FRIDAY AFTERNOON TO SATURDAY,
AUGUST 29...
* WHAT...Minor flooding is forecast.
* WHERE...Wabash River at Vincennes.
* WHEN...From Friday afternoon to Saturday, August 29.
* IMPACTS...At 20.0 feet, Kimmell Park at Vincennes is extensively
flooded. River cabins begin to flood. Extensive lowland flooding
occurs in unprotected areas.
* ADDITIONAL DETAILS...
- At 11:45 AM EDT Thursday /10:45 AM CDT Thursday/ the stage
was 14.9 feet.
- Forecast...The river is expected to rise above flood stage
early tomorrow afternoon to a crest of 19.9 feet Tuesday
morning. It will then fall below flood stage Saturday, August
29.
- Flood stage is 16.0 feet.
- http://www.weather.gov/safety/flood
&&
LAT...LON 3887 8750 3874 8746 3846 8764 3847 8778
3873 8756 3886 8756
$$
CP
Flood Statement
National Weather Service Indianapolis IN
1225 PM EDT Thu Aug 20 2026
...The Flood Warning is extended for the following rivers in
Indiana...
White River at Hazleton.
White River at Petersburg.
White River at Edwardsport.
White River at Newberry.
White River at Spencer.
White River at Elliston.
...The Flood Warning continues for the following rivers in Indiana...
White River near Centerton.
White River at Ravenswood.
White River below Eagle Valley Power Plant.
.Very heavy rainfall from Wednesday evening through the overnight of
2 to over 3 inches will bring parts of the middle White back into
minor flooding with a second crest and lengthen the amount of time
in flood for points downstream. The primary, higher crest is past
Spencer and should reach Elliston on Friday and make its way down to
Hazleton late Sunday.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Additional information is available at www.weather.gov/ind.
The next statement should be issued late tonight by around 330 AM
EDT /230 AM CDT/.
&&
INC051-083-210730-
/O.EXT.KIND.FL.W.0175.000000T0000Z-260828T0500Z/
/HAZI3.1.ER.000000T0000Z.260824T0600Z.260827T1700Z.NO/
1225 PM EDT Thu Aug 20 2026 /1125 AM CDT Thu Aug 20 2026/
...FLOOD WARNING NOW IN EFFECT UNTIL FRIDAY, AUGUST 28...
* WHAT...Minor flooding is forecast.
* WHERE...White River at Hazleton.
* WHEN...Until Friday, August 28.
* IMPACTS...At 20.0 feet, Most of the low bottomlands flood.
Flooding begins in higher bottomlands. High water affects any
residents in Pottsville river cabins. Pottsville Road...North C
Street on river side of railroad tracks and Catt Street near U.S.
Highway 41 are flooded. Water is near or starting on Giro Road in
the vicinity of submerged Pottsville Road. Oil stripped fields
flood. Flood gates must be installed at Hazleton.
* ADDITIONAL DETAILS...
- There is no current observed data.
- Forecast...The river is expected to rise to a crest of 20.5
feet early Monday morning. It will then fall below flood
stage Thursday, August 27.
- Flood stage is 16.0 feet.
- http://www.weather.gov/safety/flood
&&
LAT...LON 3851 8744 3844 8760 3841 8773 3843 8773
3852 8755 3854 8744
$$
Flood Statement
National Weather Service Indianapolis IN
1225 PM EDT Thu Aug 20 2026
...The Flood Warning is extended for the following rivers in
Indiana...
White River at Hazleton.
White River at Petersburg.
White River at Edwardsport.
White River at Newberry.
White River at Spencer.
White River at Elliston.
...The Flood Warning continues for the following rivers in Indiana...
White River near Centerton.
White River at Ravenswood.
White River below Eagle Valley Power Plant.
.Very heavy rainfall from Wednesday evening through the overnight of
2 to over 3 inches will bring parts of the middle White back into
minor flooding with a second crest and lengthen the amount of time
in flood for points downstream. The primary, higher crest is past
Spencer and should reach Elliston on Friday and make its way down to
Hazleton late Sunday.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Additional information is available at www.weather.gov/ind.
The next statement should be issued late tonight by around 330 AM
EDT /230 AM CDT/.
&&
INC027-051-083-125-210730-
/O.EXT.KIND.FL.W.0172.000000T0000Z-260827T1342Z/
/PTRI3.1.ER.260819T2115Z.260823T1800Z.260827T0142Z.NO/
1225 PM EDT Thu Aug 20 2026 /1125 AM CDT Thu Aug 20 2026/
...FLOOD WARNING NOW IN EFFECT UNTIL THURSDAY, AUGUST 27...
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...White River at Petersburg.
* WHEN...Until Thursday, August 27.
* IMPACTS...At 20.9 feet, During June 2010 State Road 257 south of
Washington began to flood at this crest level at Petersburg after
Shoals crested at 18.19 feet. About a week later Petersburg
crested at 21.34 feet...about one half foot higher...but the water
did not reach State Road 257 after Shoals crested at 15.59 feet...
about 2.5 feet lower. Lost River did not contribute much water
during this June flood and locally it was not extremely wet.
* ADDITIONAL DETAILS...
- At 11:45 AM EDT Thursday /10:45 AM CDT Thursday/ the stage
was 17.3 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 11:45 AM EDT Thursday /10:45 AM CDT Thursday/ was
17.3 feet.
- Forecast...The river is expected to rise to a crest of 20.7
feet early Sunday afternoon. It will then fall below flood
stage late Wednesday evening.
- Flood stage is 16.0 feet.
- http://www.weather.gov/safety/flood
&&
LAT...LON 3852 8723 3850 8729 3851 8744 3854 8744
3855 8736 3853 8729 3856 8723
$$
Flood Statement
National Weather Service Indianapolis IN
1225 PM EDT Thu Aug 20 2026
...The Flood Warning is extended for the following rivers in
Indiana...
White River at Hazleton.
White River at Petersburg.
White River at Edwardsport.
White River at Newberry.
White River at Spencer.
White River at Elliston.
...The Flood Warning continues for the following rivers in Indiana...
White River near Centerton.
White River at Ravenswood.
White River below Eagle Valley Power Plant.
.Very heavy rainfall from Wednesday evening through the overnight of
2 to over 3 inches will bring parts of the middle White back into
minor flooding with a second crest and lengthen the amount of time
in flood for points downstream. The primary, higher crest is past
Spencer and should reach Elliston on Friday and make its way down to
Hazleton late Sunday.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Additional information is available at www.weather.gov/ind.
The next statement should be issued late tonight by around 330 AM
EDT /230 AM CDT/.
&&
INC027-051-083-125-210730-
/O.EXT.KIND.FL.W.0171.000000T0000Z-260827T1600Z/
/FREI3.1.ER.260818T0223Z.260823T0000Z.260827T0400Z.NO/
1225 PM EDT Thu Aug 20 2026 /1125 AM CDT Thu Aug 20 2026/
...FLOOD WARNING NOW IN EFFECT UNTIL THURSDAY, AUGUST 27...
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...White River at Edwardsport.
* WHEN...Until Thursday, August 27.
* IMPACTS...At 20.0 feet, Water is at critical levels for makeshift
levees. Most of bottomlands flood. Old Vincennes road and State
Road 358 between Plainville and Edwardsport are impassable by
several feet. High water surrounds river cabins. This type of
flood occurs on average about once a year.
* ADDITIONAL DETAILS...
- At 7:00 AM EDT Thursday /6:00 AM CDT Thursday/ the stage was
17.5 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 7:00 AM EDT Thursday /6:00 AM CDT Thursday/ was
17.5 feet.
- Forecast...The river is expected to rise to a crest of 20.1
feet Saturday evening. It will then fall below flood stage
Thursday, August 27.
- Flood stage is 15.0 feet.
- http://www.weather.gov/safety/flood
&&
LAT...LON 3885 8712 3877 8723 3855 8723 3854 8726
3879 8729 3887 8715
$$
Flood Statement
National Weather Service Lincoln IL
Issued by National Weather Service St Louis MO
955 AM CDT Thu Aug 20 2026
...The Flood Warning is extended for the following rivers in
Illinois...
Sangamon River at Monticello affecting Piatt County.
.The following forecasts are based on observed precipitation, soil
moisture conditions, and forecast precipitation.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not attempt to drive around barricades or drive cars
through flooded areas.
Additional information is available at www.weather.gov.
The next statement will be issued late tonight at 200 AM CDT.
&&
ILC147-210700-
/O.EXT.KILX.FL.W.0039.000000T0000Z-260823T0800Z/
/MNTI2.2.ER.260816T1055Z.260818T0800Z.260823T0200Z.NO/
955 AM CDT Thu Aug 20 2026
...FLOOD WARNING NOW IN EFFECT UNTIL LATE SATURDAY NIGHT...
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Sangamon River at Monticello.
* WHEN...Until late Saturday night.
* ADDITIONAL DETAILS...
- At 9:00 AM CDT Thursday the stage was 15.5 feet.
- Recent Activity...The maximum river stage in the 24 hours ending
at 9:00 AM CDT Thursday was 16.2 feet.
- Forecast...The river is expected to fall below flood stage late
Saturday evening and continue falling to 9.7 feet Thursday,
August 27.
- Flood stage is 13.0 feet.
- http://www.weather.gov/safety/flood
&&
All Times CDT Fld Observed Forecasts (7 am)
Location Stg Stg Day/Time Fri Sat Sun
Sangamon River
Monticello 13.0 15.5 Thu 9 am 14.7 13.6 12.6
&&
LAT...LON 4019 8847 4008 8847 4001 8854 3990 8874
4000 8874 4006 8861
$$
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Paducah KY
223 PM CDT Thu Aug 20 2026
ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087-
100-107>112-114-211000-
Jefferson-Wayne IL-Edwards-Wabash-Perry IL-Franklin-Hamilton-
White-Jackson-Williamson-Saline-Gallatin-Union-Johnson-Pope-
Hardin-Alexander-Pulaski-Massac-Gibson-Pike-Posey-Vanderburgh-
Warrick-Spencer-Fulton-Hickman-Carlisle-Ballard-McCracken-Graves-
Livingston-Marshall-Calloway-Crittenden-Lyon-Trigg-Caldwell-
Union KY-Webster-Hopkins-Christian-Henderson-Daviess-McLean-
Muhlenberg-Todd-Perry MO-Bollinger-Cape Girardeau-Wayne MO-Carter-
Ripley-Butler-Stoddard-Scott-Mississippi-New Madrid-
223 PM CDT Thu Aug 20 2026 /323 PM EDT Thu Aug 20 2026/
This Hazardous Weather Outlook is for portions of southern
Illinois, southwest Indiana, western Kentucky, and southeast
Missouri.
.DAY ONE...This Afternoon and Tonight
An isolated thunderstorm or two will be possible this afternoon
mainly over southeast Illinois. Brief heavy downpours and a few
lightning strikes will be the main concerns.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday
Small chances of thunderstorms are forecast mainly over southeast
Missouri Saturday, and then over some portion of the Quad State
Sunday night through Wednesday. Locally heavy rainfall and
lightning will be the primary concerns.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated.
$$
DRS
Hazardous Weather Outlook
National Weather Service Lincoln IL
204 PM CDT Thu Aug 20 2026
ILZ027>031-036>038-040>057-061>063-066>068-071>073-211915-
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-Schuyler-
Mason-Logan-De Witt-Piatt-Champaign-Vermilion-Cass-Menard-Scott-
Morgan-Sangamon-Christian-Macon-Moultrie-Douglas-Coles-Edgar-Shelby-
Cumberland-Clark-Effingham-Jasper-Crawford-Clay-Richland-Lawrence-
204 PM CDT Thu Aug 20 2026
This Hazardous Weather Outlook is for central Illinois, east
central Illinois, southeast Illinois and west central Illinois.
.DAY ONE...Tonight.
Due to recent heavy rainfall, river flooding is occurring on
portions of the Illinois, Sangamon, and Wabash rivers.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Scattered thunderstorms are possible (30-40% chance) Friday
afternoon and evening. Damaging wind gusts and heavy rain are the
main hazards.
Flooding will continue for several days for portions of the
Illinois, Sangamon, and Wabash Rivers.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated tonight.
$$
NMA
Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
141 PM CDT Thu Aug 20 2026
IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-211845-
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll-
Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-
Warren-Hancock-McDonough-Scotland-Clark-
141 PM CDT Thu Aug 20 2026
This Hazardous Weather Outlook is for portions of north central
Illinois...northwest Illinois...west central Illinois...east
central Iowa...northeast Iowa...southeast Iowa and northeast
Missouri.
.DAY ONE...THIS AFTERNOON AND TONIGHT
There is a 20 to 30 percent chance for thunderstorms late
tonight, mainly along and north of U.S. Highway 30. The main
hazard is lightning.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY
There is a chance for thunderstorms Friday. A few strong to severe
storms are possible in the afternoon and early evening with gusty
winds the primary hazard. The Storm Prediction Center has a
Marginal, level 1 out of 5, Risk of severe storms for the area.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed tonight. Spotter activation
is possible Friday afternoon and evening.
$$
Hazardous Weather Outlook
National Weather Service Springfield MO
108 PM CDT Thu Aug 20 2026
KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-211815-
Bourbon-Crawford-Cherokee-Benton-Morgan-Miller-Maries-Vernon-
St. Clair-Hickory-Camden-Pulaski-Phelps-Barton-Cedar-Polk-Dallas-
Laclede-Texas-Dent-Jasper-Dade-Greene-Webster-Wright-Newton-
Lawrence-Christian-Douglas-Howell-Shannon-McDonald-Barry-Stone-
Taney-Ozark-Oregon-
108 PM CDT Thu Aug 20 2026
This Hazardous Weather Outlook is for portions of the Missouri
Ozarks and extreme southeast Kansas.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Elevated extreme heat risk.
DISCUSSION...
Afternoon heat indicies in the upper 90s to around 100 can be
expected southwest of Springfield.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
There is a marginal risk for severe storms late Friday night into
early Saturday morning across eastern Kansas and west central
Missouri. Confidence is low however a thunderstorm complex may
move across these areas. Additional shower and thunderstorm
chances exist on a daily basis this weekend into early next week
however many locations will remain dry.
Hot and conditions are expected again across the area through the
end of the week and into the weekend. The hottest conditions will
occur southwest of Springfield and across southeast Kansas.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed through tonight.
&&
More detailed information can be accessed at:
http://www.weather.gov/sgf/dsspacket
This product in graphical format...along with other weather...
hydrological and climate information...at
http://www.weather.gov/sgf
$$
Burchfield