Alert archive / Illinois / Areal Flood Warnings in 2021

Areal Flood Warning 1, NWS Lincoln, IL

June 26, 20216 counties in Illinois

NWS Lincoln, IL issued this areal flood warning at Jun 26, 2021, 2:34 AM CDT for 6 counties in Illinois. It was in force for 61 hr. 22 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 26, 2021, 2:34 AM CDT (07:34 UTC)
Expired
Jun 28, 2021, 3:48 PM CDT
In force
61 hr
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Flood severity
None

Counties DeWitt County, IL, Logan County, IL, Mason County, IL, McLean County, IL, Piatt County, IL, Tazewell County, IL

The radar

The Lincoln radar (KILX), 23 km from the middle of the area, began a volume at 07:37 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.

What was reported inside it

TimeReportWhereRemark
Jun 26, 6:00 AM CDTHEAVY RAIN 6.351 E Heyworth, ILCOCORAHS STATION IL-MCL-31 HEYWORTH 0.6 E.
Jun 26, 7:00 AM CDTHEAVY RAIN 4.32Central Illinois Airpor, IL
Jun 26, 7:00 AM CDTHEAVY RAIN 4.912 E Bloomington, ILMOST OF THE RAIN FELL IN FRIDAY EVENING.
Jun 26, 7:00 AM CDTHEAVY RAIN 5.643 Sw Bloomington, ILMOST OF RAIN FELL FRIDAY EVENING.
Jun 26, 8:00 AM CDTHEAVY RAIN 6.943 Nnw Downs, ILCOCORAHS STATION IL-MCL-62 2 NW DOWNS.
Jun 26, 8:30 AM CDTHEAVY RAIN 6.35Heyworth, IL24-HOUR TOTAL.
Jun 26, 4:27 PM CDTFLASH FLOODDowns, ILI-74 IS FLOODED NEAR THE DOWNS EXIT.
Jun 26, 4:30 PM CDTFLASH FLOODBloomington, ILSEVERAL INTERSECTIONS FLOODED. NUMEROUS CARS STRANDED REQUIRING TOW TRUCKS, BUT NO WATER RESCUES REPORTED.
Jun 27, 5:00 AM CDTHEAVY RAIN 1.744 Ne Normal, IL24 HOUR TOTAL.
Jun 27, 6:00 AM CDTHEAVY RAIN 2.034 Ese Bloomington, IL24 HOUR TOTAL.
Jun 27, 7:00 AM CDTHEAVY RAIN 1.041 E Heyworth, IL24 HOUR TOTAL.
Jun 27, 7:00 AM CDTHEAVY RAIN 1.421 Wnw Normal, IL24 HOUR TOTAL.
Jun 27, 7:00 AM CDTHEAVY RAIN 1.553 E Hartsburg, IL24 HOUR TOTAL.
Jun 27, 7:00 AM CDTHEAVY RAIN 1.792 Wsw Bloomington, IL24 HOUR TOTAL.
Jun 27, 7:00 AM CDTHEAVY RAIN 2.05Central Illinois Airpor, IL24 HOUR TOTAL.
Jun 27, 7:00 AM CDTHEAVY RAIN 2.231 Sse Normal, IL24 HOUR TOTAL.
Jun 27, 7:00 AM CDTHEAVY RAIN 2.42 Se Normal, IL24 HOUR TOTAL.
Jun 27, 7:00 AM CDTHEAVY RAIN 2.431 Ese Normal, IL24 HOUR TOTAL.
Jun 27, 7:00 AM CDTHEAVY RAIN 2.553 Ne Bloomington, IL24 HOUR TOTAL.
Jun 27, 7:00 AM CDTHEAVY RAIN 3.472 Ese Bloomington, IL24 HOUR TOTAL.
Jun 27, 8:00 AM CDTHEAVY RAIN 1.625 Se Bloomington, IL24 HOUR TOTAL.
Jun 28, 7:00 AM CDTHEAVY RAIN 1.23 Wsw Farmer City, IL24 HOUR TOTAL.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 7.6 hours before the alert went out and 66 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Lincoln, IL at 00:00Z on 2021-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1254 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2021-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1254 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
910 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
204 m²/s²
Significant tornado parameter
0.7
Supercell composite
6.6

Open this sounding in Storm Lab

The text

As transmitted.

720 
WGUS43 KILX 260734
FLWILX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Lincoln IL
234 AM CDT Sat Jun 26 2021

ILC039-107-113-125-147-179-261915-
/O.NEW.KILX.FA.W.0001.210626T0734Z-210626T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
De Witt IL-Logan IL-McLean IL-Mason IL-Piatt IL-Tazewell IL-
234 AM CDT Sat Jun 26 2021

The National Weather Service in Lincoln has issued a

* Flood Warning for...
  Northern De Witt County in central Illinois...
  Northern Logan County in central Illinois...
  McLean County in central Illinois...
  Eastern Mason County in central Illinois...
  Northeastern Piatt County in central Illinois...
  Southeastern Tazewell County in central Illinois...

* Until 215 PM CDT Saturday.

* At 234 AM CDT, Heavy rain from thunderstorms Friday evening 
  resulted in flooding across the warned area. Between 4 and 7 
  inches of rain have fallen. Water remains high in some locations 
  and is impacting area roads.

Some locations that will experience flooding include...
  Bloomington, Normal, Le Roy, Heyworth, Farmer City, Mackinaw, 
  Atlanta, Delavan, Minier, Downs, Hopedale, McLean, Green Valley, 
  Saybrook, San Jose, Stanford, Wapella, Emden, Towanda and 
  Waynesville.

Additional rainfall amounts up to 1 inch are possible in the warned 
area.

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.

&&

LAT...LON 4044 8972 4053 8934 4050 8916 4060 8876
      4050 8848 4025 8847 4017 8865 4022 8915
      4018 8953 4022 8955 4022 8960 4032 8960
      4032 8971 4036 8972 4039 8972 4043 8972

$$

Deubelbeiss
8 follow-up statements
758 
WGUS83 KILX 261837
FLSILX

Flood Statement
National Weather Service Lincoln IL
137 PM CDT Sat Jun 26 2021

ILC125-147-261847-
/O.CAN.KILX.FA.W.0001.000000T0000Z-210626T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Mason IL-Piatt IL-
137 PM CDT Sat Jun 26 2021

...FLOOD WARNING IS CANCELLED FOR EASTERN MASON AND NORTHEASTERN 
PIATT COUNTIES...

Flooding is no longer expected to pose a threat. Please continue to 
heed remaining road closures.

A Flash Flood Watch remains in effect until 700 AM CDT Sunday for 
portions of central Illinois...east central Illinois and west 
central Illinois.

LAT...LON 4035 8941 4044 8927 4050 8916 4044 8903
      4035 8884 4028 8901 4022 8915 4018 8953
      4022 8955

$$

ILC039-107-113-179-261915-
/O.CON.KILX.FA.W.0001.000000T0000Z-210626T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
De Witt IL-Logan IL-McLean IL-Tazewell IL-
137 PM CDT Sat Jun 26 2021

...FLOOD WARNING REMAINS IN EFFECT UNTIL 215 PM CDT THIS AFTERNOON 
FOR NORTHWESTERN DE WITT, NORTHERN LOGAN, SOUTHWESTERN MCLEAN AND 
SOUTHEASTERN TAZEWELL COUNTIES...

At 137 PM CDT, emergency management reported ongoing flooding and 
road damage in the flood warning area. Flooding was reported on 
Sugar Creek and Kickapoo Creek from near Hartsburg, Atlanta, and 
Lawndale to near McLean and Heyworth. I-55 and Route 136 have been 
reported to have flooding and damage. Between 4 and 7 inches of rain 
have fallen.

Some locations that will experience flooding include...
  Bloomington, Heyworth, Atlanta, McLean, Stanford, Waynesville, 
  Armington, Hartsburg, Lawndale and Shirley.

Additional rainfall amounts of 1 to 3 inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4035 8941 4044 8927 4050 8916 4044 8903
      4035 8884 4028 8901 4022 8915 4018 8953
      4022 8955

$$

37
374 
WGUS43 KILX 261846
FLWILX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Lincoln IL
146 PM CDT Sat Jun 26 2021

ILC039-107-113-179-270715-
/O.EXT.KILX.FA.W.0001.000000T0000Z-210627T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
De Witt IL-Logan IL-McLean IL-Tazewell IL-
146 PM CDT Sat Jun 26 2021

The National Weather Service in Lincoln has extended the

* Flood Warning for...
  Northwestern De Witt County in central Illinois...
  Northern Logan County in central Illinois...
  Southwestern McLean County in central Illinois...
  Southeastern Tazewell County in central Illinois...

* Until 215 AM CDT Sunday.

* At 146 PM CDT, emergency management reported ongoing flooding and 
  road damage in the flood warning area. Flooding was reported on 
  Sugar Creek and Kickapoo Creek from near Hartsburg, Atlanta, and 
  Lawndale to near McLean and Heyworth. I-55 and Route 136 have been 
  reported to have flooding and damage. Between 4 and 7 inches of 
  rain have fallen.

Some locations that will experience flooding include...
  Bloomington, Heyworth, Atlanta, McLean, Stanford, Waynesville, 
  Armington, Hartsburg, Lawndale and Shirley.

Additional rainfall amounts of 1 to 3 inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4035 8941 4044 8927 4050 8916 4044 8903
      4035 8884 4028 8901 4022 8915 4018 8953
      4022 8955

$$

37
601 
WGUS43 KILX 270101
FLWILX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Lincoln IL
801 PM CDT Sat Jun 26 2021

ILC039-107-113-179-271415-
/O.EXT.KILX.FA.W.0001.000000T0000Z-210627T1415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
De Witt IL-Logan IL-McLean IL-Tazewell IL-
801 PM CDT Sat Jun 26 2021

The National Weather Service in Lincoln has extended the

* Flood Warning for...
  Northwestern De Witt County in central Illinois...
  Northern Logan County in central Illinois...
  Southwestern McLean County in central Illinois...
  Southeastern Tazewell County in central Illinois...

* Until 915 AM CDT Sunday.

* At 801 PM CDT, emergency management reported ongoing flooding and 
  road damage in the flood warning area. Flooding was reported on 
  Sugar Creek and Kickapoo Creek from near Hartsburg, Atlanta, and 
  Lawndale to near McLean and Heyworth. I-55 and Route 136 have been 
  reported to have flooding and damage. Between 5 and 10 inches of 
  rain have fallen.

Some locations that will experience flooding include...
  Bloomington, Heyworth, Atlanta, McLean, Stanford, Waynesville, 
  Armington, Hartsburg, Lawndale and Shirley.

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.

&&

LAT...LON 4035 8941 4044 8927 4050 8916 4044 8903
      4035 8884 4028 8901 4022 8915 4018 8953
      4022 8955

$$

37
157 
WGUS43 KILX 271402
FLWILX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Lincoln IL
902 AM CDT Sun Jun 27 2021

ILC039-107-113-179-280215-
/O.EXT.KILX.FA.W.0001.000000T0000Z-210628T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
De Witt IL-Logan IL-McLean IL-Tazewell IL-
902 AM CDT Sun Jun 27 2021

The National Weather Service in Lincoln has extended the

* Flood Warning for...
  Northwestern De Witt County in central Illinois...
  Northern Logan County in central Illinois...
  Southwestern McLean County in central Illinois...
  Southeastern Tazewell County in central Illinois...

* Until 915 PM CDT Sunday.

* At 902 AM CDT, emergency management reported lingering impacts 
  from previous days heavy rainfall. Between 5 and 10 inches of rain 
  have fallen. Continue to heed any road closures.

Some locations that will experience flooding include...
  Bloomington, Heyworth, Atlanta, McLean, Stanford, Waynesville, 
  Armington, Hartsburg, Lawndale and Shirley.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Warning means that flooding is imminent or occurring. All 
interested parties should take necessary precautions immediately.

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

&&

LAT...LON 4035 8941 4044 8927 4050 8916 4044 8903
      4035 8884 4028 8901 4022 8915 4018 8953
      4022 8955

$$

NMB
185 
WGUS83 KILX 271941
FLSILX

Flood Statement
National Weather Service Lincoln IL
241 PM CDT Sun Jun 27 2021

ILC039-107-113-179-280215-
/O.CON.KILX.FA.W.0001.000000T0000Z-210628T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
De Witt IL-Logan IL-McLean IL-Tazewell IL-
241 PM CDT Sun Jun 27 2021

...FLOOD WARNING REMAINS IN EFFECT UNTIL 915 PM CDT THIS EVENING FOR 
NORTHWESTERN DE WITT, NORTHERN LOGAN, SOUTHWESTERN MCLEAN AND 
SOUTHEASTERN TAZEWELL COUNTIES...

At 241 PM CDT, Logan County emergency management reported that 
sandbagging efforts are taking place in Lawndale, due to high water 
on Kickapoo Creek. The creek crested above record levels upstream at 
Waynesville yesterday evening. Elsewhere, lingering flooding 
continues in some locations. Highway 136 is closed in portions of 
McLean and Logan Counties due to flooding.

Some locations that will experience flooding include...
Waynesville, Armington, Hartsburg, and Lawndale.

Areas along Kickapoo creek downstream from Lawndale should also 
prepared for high water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Warning means that flooding is imminent or occurring. All 
interested parties should take necessary precautions immediately.

Excessive runoff from heavy rainfall will cause flooding of small 
creeks and streams, country roads, farmland, and other low lying 
spots.

&&

LAT...LON 4035 8941 4044 8927 4050 8916 4044 8903
      4035 8884 4028 8901 4022 8915 4018 8953
      4022 8955

$$

Geelhart
986 
WGUS83 KILX 272351
FLSILX

Flood Statement
National Weather Service Lincoln IL
651 PM CDT Sun Jun 27 2021

ILC179-280001-
/O.CAN.KILX.FA.W.0001.000000T0000Z-210628T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Tazewell IL-
651 PM CDT Sun Jun 27 2021

...FLOOD WARNING IS CANCELLED FOR SOUTHEASTERN TAZEWELL COUNTY...

Flooding has largely receded, though localized ponding of water may 
still be present in a few areas. Please continue to heed remaining 
road closures.

LAT...LON 4032 8937 4032 8933 4033 8904 4033 8889
      4028 8901 4022 8915 4020 8942 4025 8942

$$

ILC039-107-113-280215-
/O.CON.KILX.FA.W.0001.000000T0000Z-210628T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
De Witt IL-Logan IL-McLean IL-
651 PM CDT Sun Jun 27 2021

...FLOOD WARNING REMAINS IN EFFECT UNTIL 915 PM CDT THIS EVENING FOR 
NORTHWESTERN DE WITT, NORTHEASTERN LOGAN AND SOUTHWESTERN MCLEAN 
COUNTIES...

At 651 PM CDT, Logan County emergency management reported that 
sandbagging efforts continue in Lawndale, due to high water on 
Kickapoo Creek. The creek crested above record levels upstream at 
Waynesville Saturday evening. Elsewhere, flooding continues to 
impact portions of highway 136 in northeast Logan and southwest 
McLean Counties, but flooding has largely receded north of there.

Some locations that will experience flooding include...
Waynesville and Lawndale.

Areas along Kickapoo Creek downstream from Lawndale should also 
prepare for high water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Excessive runoff from heavy rainfall will cause flooding of small 
creeks and streams, country roads, farmland, and other low lying 
spots.

&&

LAT...LON 4032 8937 4032 8933 4033 8904 4033 8889
      4028 8901 4022 8915 4020 8942 4025 8942

$$

Geelhart
046 
WGUS43 KILX 280205
FLWILX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Lincoln IL
905 PM CDT Sun Jun 27 2021

ILC039-107-113-282100-
/O.EXT.KILX.FA.W.0001.000000T0000Z-210628T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
De Witt IL-Logan IL-McLean IL-
905 PM CDT Sun Jun 27 2021

The National Weather Service in Lincoln has extended the

* Flood Warning for...
  Northwestern De Witt County in central Illinois...
  Northeastern Logan County in central Illinois...
  Southwestern McLean County in central Illinois...

* Until 400 PM CDT Monday.

* At 905 PM CDT, emergency management reported flooding continues in 
  the warned area due to the weekend excessive rainfall. Sandbagging 
  is being used in Lawndale for Kickapoo Creek flooding, and 
  portions of highway 136 continue to have water over the road from 
  Heyworth to west of McLean. De Witt County emergency management 
  reports that county road 17 north of Waynesville remains flooded.

Some locations that will experience flooding include...
Waynesville and Lawndale.

Areas along Kickapoo Creek downstream from Lawndale should also be 
prepared for high water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive across flooded roads. It can be difficult to judge the 
depth of the water, especially at night.

&&

LAT...LON 4032 8937 4032 8933 4033 8904 4033 8889
      4028 8901 4022 8915 4020 8942 4025 8942

$$

Geelhart
569 
WGUS83 KILX 282048
FLSILX

Flood Statement
National Weather Service Lincoln IL
348 PM CDT Mon Jun 28 2021

ILC039-107-113-282058-
/O.CAN.KILX.FA.W.0001.000000T0000Z-210628T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
De Witt IL-Logan IL-McLean IL-
348 PM CDT Mon Jun 28 2021

...FLOOD WARNING IS CANCELLED FOR NORTHWESTERN DE WITT, NORTHEASTERN 
LOGAN AND SOUTHWESTERN MCLEAN COUNTIES...

Flood waters have receded. Flooding is no longer expected to pose a 
threat. Please continue to heed remaining road closures.

LAT...LON 4032 8937 4032 8933 4033 8904 4033 8889
      4028 8901 4022 8915 4020 8942 4025 8942

$$

Miller

What forecasters said that day

The local office's own words before this areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Lincoln, IL wrote its last area forecast discussion before this areal flood warning went out at Jun 26, 12:33 AM CDT, 2 hours 1 minute earlier.

Area forecast discussion, Jun 26, 12:33 AM CDT, 2 hours 1 minute before
Area Forecast Discussion
National Weather Service Lincoln IL
1233 AM CDT Sat Jun 26 2021

.SYNOPSIS...
Issued at 646 PM CDT Fri Jun 25 2021

Thunderstorms will develop across central Illinois this
evening...particularly along and north of a Shelbyville to Paris
line where some of the storms could potentially produce damaging
wind gusts and heavy rainfall. The storms will gradually diminish
toward dawn Saturday.

&&

.UPDATE...
Issued at 857 PM CDT Fri Jun 25 2021

Thunderstorms continue to develop along an outflow boundary from
central Missouri E/NE into central Illinois this evening. The
storms are being aided by a 30-40kt 850mb jet oriented from the
Ozarks northward into Illinois. 0150z/850pm radar imagery shows
the strongest cells along a Jacksonville...to Lincoln...to
Bloomington line. Based on radar trends and latest HRRR forecast,
think the line will gradually shift southward and will focus
along the I-72 corridor for the next few hours. While overall
severe threat will decrease as daytime instability wanes,
attention will turn to potential flash flooding as training echoes
drop locally heavy rainfall across that area. Most model guidance
suggests the rainfall will slowly decrease in intensity after
midnight as the precip becomes more scattered in nature toward
dawn Saturday. Updated the forecast to better reflect PoP trends
for the remainder of the night.

&&

.SHORT TERM...(This evening through Saturday)
ISSUED AT 343 PM CDT Fri Jun 25 2021

Surface analysis this afternoon depicts a stationary front
stretched from northern IL into IA well north of the area. An
outflow boundary is positioned across southeast IL into central MO
with convection ongoing in our far southeast IL counties as well
as new activity firing over central MO as of 3 PM. Elsewhere, a
break from the precipitation is occurring with some breaks in the
clouds noted across west-central portions of the state. SPC
mesoanalysis depicts MLCAPE starting to build northward with
clearing, though we remain capped (50-150 J/kg) from about I-70
northward from earlier convection. This will prevent anything from
developing in these areas for the next few hours. Confidence in
the evolution of activity going into tonight remains low. Once the
CAP erodes, scattered storms should develop across west-central
IL along the ouflow boundary sometime later this afternoon or
early evening, which the 25.18Z HRRR picks up on. However, CAMs
have not been performing well. The idea is that coverage will
increase by tonight as a few mid-level waves ripple through the
southwest flow aloft and the LLJ kicks in. Strong to severe storms
remain possible across locations south of I-74 with damaging
winds and large hail being the main threats. However, decent low-
level shear with a boundary in the area could support a brief
tornado or two.

Additional rainfall amounts through Saturday morning look to range
from 1-2" north of I-70, with higher amounts possible where storms
train. With 1 to 3 hr flash flood guidance ranging from 1.5 to 2.5"
due to recent soaking rains. Because of this, a Flash Flood Watch
remains in effect for counties north of I-70 through Saturday
morning.

.LONG TERM...(Saturday night through Friday)
ISSUED AT 343 PM CDT Fri Jun 25 2021

The upper-level pattern remains in a blocking regime this weekend
and even into the new week, keeping periods of showers and storms
possible. Shower and storm chances look to taper off Saturday
morning as the LLJ recedes. Additional thunderstorm development
looks likely along any remnant boundaries by the afternoon into
evening hours of Saturday, pending how quickly the atmosphere
destabilizes after overnight convection. A similar story going
into Sunday with the same set up. All in all, additional rainfall
amounts Saturday through Monday morning look to range from 1-3"
north of I- 70.

Shower and storm chances remain possible through a good portion of
the week with the blocking pattern keeping southwest flow positioned
over the local area. Let the NBM handle PoPs through the week for
the time being. The pattern finally begins to change by the end of
the week into next weekend as the ridging over the eastern
CONUS/Atlantic breaks down.

&&

.AVIATION...(For the 06Z TAFS through 06Z Saturday night)
Issued at 1229 AM CDT Sat Jun 26 2021

A line of thunderstorms continues from roughly CMI through DEC and
through TAZ this hour and will very slowly shift east and weaken
with time. Further west, precip is more stratiform with embedded
thunder. Anticipate precip coverage to diminish overnight, but
spotty showers and storms will be possible through the period.
Thunderstorms will redevelop Saturday afternoon and evening,
somewhere near the I-55 corridor though have low confidence in
specifics. Wherever these storms develop, storms will move NE but
the line will very slowly progress eastward. S/SW winds will
prevail through the period outside the influence of storms.

&&

.ILX WATCHES/WARNINGS/ADVISORIES...
Flash Flood Watch through Sunday morning for ILZ027>031-036>038-
040>057-061.

&&

UPDATE...Barnes
SYNOPSIS...Barnes
SHORT TERM...NMB
LONG TERM...NMB
AVIATION...Deubelbeiss
Hazardous weather outlook, Jun 25, 3:07 PM CDT, 11 hours 27 minutes before
Hazardous Weather Outlook
National Weather Service Lincoln IL
307 PM CDT Fri Jun 25 2021

ILZ027>031-036>038-261100-
Fulton-Knox-Marshall-McLean-Peoria-Stark-Tazewell-Woodford-
307 PM CDT Fri Jun 25 2021

...FLASH FLOOD WATCH IN EFFECT THROUGH SATURDAY MORNING...

This Hazardous Weather Outlook is for portions of central
Illinois and west central Illinois.

.DAY ONE...TONIGHT...

Strong to severe storms are possible this evening. Damaging wind
gusts, large hail, and flash flooding are the primary threats,
though a brief tornado is possible.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY...

Another round of strong to severe thunderstorms is possible
Saturday afternoon into Saturday night and again on Sunday.
Damaging wind gusts, large hail, and flash flooding are the main
threats.

Heavy rainfall remains a concern through the upcoming weekend.
The latest indications suggest rainfall totals of 2 to 5 inches
north of I-70 through Sunday. This could lead to significant
rises on area rivers, creeks, and streams as well as produce flash
flooding.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed later this afternoon and
evening.

ILZ040>057-061-261100-
Cass-Champaign-Christian-Coles-De Witt-Douglas-Edgar-Logan-Macon-
Mason-Menard-Morgan-Moultrie-Piatt-Sangamon-Schuyler-Scott-Shelby-
Vermilion-
307 PM CDT Fri Jun 25 2021

...FLASH FLOOD WATCH IN EFFECT THROUGH SATURDAY MORNING...

This Hazardous Weather Outlook is for portions of central
Illinois, east central Illinois and west central Illinois.

.DAY ONE...TONIGHT...

Severe storms are possible this evening through tonight. Damaging
wind gusts, large hail, and flash flooding are the primary
threats, though a brief tornado is also possible.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY...

Another round of strong to severe thunderstorms is possible
Saturday afternoon into Saturday night and again on Sunday.
Damaging wind gusts, large hail, and flash flooding are the main
threats.

Heavy rainfall remains a concern through the upcoming weekend.
The latest indications suggest rainfall totals of 2 to 5 inches
north of I-70 through Sunday. This could lead to significant
rises on area rivers, creeks, and streams as well as produce flash
flooding.

Minor flooding is expected to develop along portions of the Spoon
River between London Mills and Seville this weekend and along the
Illinois River between Havana and Beardstown early next week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed later this afternoon through
tonight.

ILZ062-063-066>068-071>073-261100-
Clark-Clay-Crawford-Cumberland-Effingham-Jasper-Lawrence-Richland-
307 PM CDT Fri Jun 25 2021

This Hazardous Weather Outlook is for portions of east central
Illinois and southeast Illinois.

.DAY ONE...TONIGHT...

Strong to isolated severe storms are possible across southeast IL
this evening. Primary threats will be gusty winds, large hail,
and heavy rainfall.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY...

Another round of thunderstorms is possible Saturday afternoon
into Saturday night and again on Sunday. The severe threat appears
low at this time, but locally heavy rain is possible.

Periods of showers and storms will occur going into this weekend
with rainfall amounts up to 2 inches possible south of I-70
through Sunday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed later this afternoon through
tonight.

Auten

In the hours before

Local storm report, Jun 26, 12:13 AM CDT, 2 hours 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1213 AM CDT SAT JUN 26 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1155 PM     FLASH FLOOD      2 WSW BLOOMINGTON       40.47N 89.03W
06/25/2021                   MCLEAN             IL   EMERGENCY MNGR

            VEHICLE STALLED IN HIGH WATER NEAR MM 159 ON
            INTERSTATE 55 NEAR BLOOMINGTON.

&&
Local storm report, Jun 26, 12:15 AM CDT, 2 hours 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1215 AM CDT SAT JUN 26 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1155 PM     FLASH FLOOD      2 N LE ROY              40.37N 88.76W
06/25/2021                   MCLEAN             IL   EMERGENCY MNGR

            CAR STALLED IN HIGH WATER WITH 3 PEOPLE
            STRANDED.

&&
Local storm report, Jun 26, 12:17 AM CDT, 2 hours 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1217 AM CDT SAT JUN 26 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1155 PM     FLASH FLOOD      1 W DOWNS               40.40N 88.89W
06/25/2021                   MCLEAN             IL   EMERGENCY MNGR

            VEHICLE STRANDED AT INTERSTATE 74 EXIT 142
            BY KICKAPOO CREEK BRIDGE.

&&
Local storm report, Jun 26, 12:51 AM CDT, 1 hour 43 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE LINCOLN IL
1251 AM CDT SAT JUN 26 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1103 PM     FLASH FLOOD      2 S WINCHESTER          39.60N 90.46W
06/25/2021                   SCOTT              IL   LAW ENFORCEMENT

            SEVERAL COUNTY ROADS FLOODED SOUTH OF
            WINCHESTER.

1100 PM     FLASH FLOOD      2 S SOUTH JACKSONVILLE  39.68N 90.23W
06/25/2021                   MORGAN             IL   EMERGENCY MNGR

            MORGAN COUNTY EMERGENCY MANAGER REPORTED RT
            267 AT NEW LAKE ROAD WAS FLOODED AN CLOSED.
            OTHER TYPICALLY FLOOD PRONE AREAS ALSO
            FLOODED AND CLOSED SUCH AS PORTIONS OF RT
            104 NEAR FRANKLIN.

1100 PM     FLASH FLOOD      4 NW MURRAYVILLE        39.62N 90.30W
06/25/2021                   MORGAN             IL   LAW ENFORCEMENT

            DELAYED REPORT. CAR SUBMERGED IN WATER EAST
            OF WINCHESTER ALONG RT 67.

0948 PM     FLASH FLOOD      HEYWORTH                40.31N 88.99W
06/25/2021                   MCLEAN             IL   PUBLIC

            REPORT FROM MPING: STREET/ROAD FLOODING;
            STREET/ROAD CLOSED; VEHICLES STRANDED.

0824 PM     FLASH FLOOD      HARTSBURG               40.25N 89.43W
06/25/2021                   LOGAN              IL   PUBLIC

            REPORT FROM MPING: STREET/ROAD FLOODING;
            STREET/ROAD CLOSED; VEHICLES STRANDED.

0742 PM     FLASH FLOOD      2 E WASHINGTON          40.70N 89.37W
06/25/2021                   TAZEWELL           IL   PUBLIC

            REPORT FROM MPING: STREET/ROAD FLOODING;
            STREET/ROAD CLOSED; VEHICLES STRANDED.

&&
Local storm report, Jun 26, 12:52 AM CDT, 1 hour 42 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE LINCOLN IL
1252 AM CDT SAT JUN 26 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0742 PM     FLASH FLOOD      2 E WASHINGTON          40.70N 89.37W
06/25/2021                   TAZEWELL           IL   PUBLIC

            REPORT FROM MPING: STREET/ROAD FLOODING;
            STREET/ROAD CLOSED; VEHICLES STRANDED.

0824 PM     FLASH FLOOD      HARTSBURG               40.25N 89.43W
06/25/2021                   LOGAN              IL   PUBLIC

            REPORT FROM MPING: STREET/ROAD FLOODING;
            STREET/ROAD CLOSED; VEHICLES STRANDED.

0948 PM     FLASH FLOOD      HEYWORTH                40.31N 88.99W
06/25/2021                   MCLEAN             IL   PUBLIC

            REPORT FROM MPING: STREET/ROAD FLOODING;
            STREET/ROAD CLOSED; VEHICLES STRANDED.

1100 PM     FLASH FLOOD      2 S SOUTH JACKSONVILLE  39.68N 90.23W
06/25/2021                   MORGAN             IL   EMERGENCY MNGR

            MORGAN COUNTY EMERGENCY MANAGER REPORTED RT
            267 AT NEW LAKE ROAD WAS FLOODED AN CLOSED.
            OTHER TYPICALLY FLOOD PRONE AREAS ALSO
            FLOODED AND CLOSED SUCH AS PORTIONS OF RT
            104 NEAR FRANKLIN.

1100 PM     FLASH FLOOD      4 NW MURRAYVILLE        39.62N 90.30W
06/25/2021                   MORGAN             IL   LAW ENFORCEMENT

            DELAYED REPORT. CAR SUBMERGED IN WATER EAST
            OF WINCHESTER ALONG RT 67.

1103 PM     FLASH FLOOD      2 S WINCHESTER          39.60N 90.46W
06/25/2021                   SCOTT              IL   LAW ENFORCEMENT

            SEVERAL COUNTY ROADS FLOODED SOUTH OF
            WINCHESTER.

1107 PM     FLASH FLOOD      MANCHESTER              39.54N 90.34W
06/25/2021                   SCOTT              IL   LAW ENFORCEMENT

            DELAYED REPORT. VAN SUBMERGED IN WATER ON RT
            67 WEST OF MANCHESTER.

1130 PM     FLASH FLOOD      3 SW SHIRLEY            40.37N 89.10W
06/25/2021                   MCLEAN             IL   EMERGENCY MNGR

            WATER RESCUE. DIVE TEAM FROM HUDSON
            ACTIVATED FOR STRANDED MOTORIST.

1155 PM     FLASH FLOOD      1 N HEYWORTH            40.32N 88.98W
06/25/2021                   MCLEAN             IL   EMERGENCY MNGR

            HOME OWNER STRANDED BY HIGH WATER
            SURROUNDING PROPERTY.

1155 PM     FLASH FLOOD      2 WSW BLOOMINGTON       40.47N 89.03W
06/25/2021                   MCLEAN             IL   EMERGENCY MNGR

            VEHICLE STALLED IN HIGH WATER NEAR MM 159 ON
            INTERSTATE 55 NEAR BLOOMINGTON.

1155 PM     FLASH FLOOD      1 W DOWNS               40.40N 88.89W
06/25/2021                   MCLEAN             IL   EMERGENCY MNGR

            VEHICLE STRANDED AT INTERSTATE 74 EXIT 142
            BY KICKAPOO CREEK BRIDGE.

1155 PM     FLASH FLOOD      2 N LE ROY              40.37N 88.76W
06/25/2021                   MCLEAN             IL   EMERGENCY MNGR

            CAR STALLED IN HIGH WATER WITH 3 PEOPLE
            STRANDED.

&&
Local storm report, Jun 26, 12:57 AM CDT, 1 hour 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1257 AM CDT SAT JUN 26 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1008 PM     TSTM WND GST     1 E DECATUR AIRPORT     39.83N 88.85W
06/25/2021  M68 MPH          MACON              IL   ASOS

            ASOS STATION KDEC DECATUR AP.

&&

BMD

The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 25, 7:21 PM CDTSevere Thunderstorm WarningILXLogan, Mason, Tazewell39 min
Jun 25, 7:33 PM CDTSpecial Weather StatementILXMcLean42 min
Jun 25, 7:38 PM CDTSevere Thunderstorm WarningILXMorgan, Scott67 min
Jun 25, 7:53 PM CDTSevere Thunderstorm WarningILXDeWitt, Logan, McLean, Tazewell67 min
Jun 25, 8:16 PM CDTSevere Thunderstorm WarningILXCass, Menard, Morgan, Sangamon44 min
Jun 25, 8:29 PM CDTTornado WarningILXMcLean30 min
Jun 25, 8:49 PM CDTSevere Thunderstorm WarningILXDeWitt, McLean, Macon, Piatt41 min
Jun 25, 8:54 PM CDTFlash Flood WarningILXDeWitt, Logan, McLean, Mason, Tazewell6 hr
Jun 25, 9:05 PM CDTSevere Thunderstorm WarningILXLogan, Mason, Menard, Tazewell25 min
Jun 25, 9:47 PM CDTFlash Flood WarningILXMorgan, Scott6 hr
Jun 25, 9:59 PM CDTFlash Flood WarningILXDeWitt, McLean, Piatt5 hr
Jun 25, 10:18 PM CDTSevere Thunderstorm WarningILXChampaign, Coles, DeWitt, Douglas, Macon, Moultrie and 1 more27 min
Jun 26, 6:03 AM CDTRiver Flood WarningILXPiatt8 days
Jun 26, 9:44 AM CDTRiver Flood WarningILXMason, Menard4 days
Jun 26, 12:21 PM CDTTornado WarningILXMcLean24 min
Jun 26, 1:24 PM CDTTornado WarningILXMorgan, Scott36 min
Jun 26, 1:53 PM CDTTornado WarningILXMorgan37 min
Jun 26, 2:17 PM CDTTornado WarningILXMorgan, Sangamon28 min
Jun 26, 2:38 PM CDTTornado WarningILXMcLean, Woodford37 min
Jun 26, 3:12 PM CDTTornado WarningILXMcLean33 min
Jun 26, 3:19 PM CDTTornado WarningILXLogan, Sangamon26 min
Jun 26, 3:25 PM CDTFlash Flood WarningILXDeWitt, Logan, McLean, Macon, Mason, Menard and 3 more4 hr
Jun 26, 3:33 PM CDTSevere Thunderstorm WarningILXLogan27 min
Jun 26, 3:37 PM CDTTornado WarningILXMcLean23 min
Jun 26, 3:39 PM CDTTornado WarningILXLogan, Sangamon36 min
Jun 26, 4:04 PM CDTTornado WarningILXDeWitt26 min
Jun 26, 4:43 PM CDTSevere Thunderstorm WarningILXChampaign, DeWitt, McLean, Piatt32 min
Jun 26, 5:16 PM CDTSevere Thunderstorm WarningILXChampaign, DeWitt, McLean, Piatt44 min
Jun 26, 5:47 PM CDTTornado WarningILXDouglas, Moultrie, Piatt43 min
Jun 26, 5:50 PM CDTSevere Thunderstorm WarningILXVermilion40 min
Jun 26, 6:03 PM CDTTornado WarningILXChampaign, Douglas27 min
Jun 26, 6:24 PM CDTSevere Thunderstorm WarningILXChampaign, Douglas, Edgar, Vermilion81 min

Nearby

Areal Flood Warnings in Illinois, 2021Every areal 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.