Alert archive / Illinois / Flash Flood Warnings in 2026

Flash Flood Warning 13, NWS Lincoln, IL

June 8, 20264 counties in Illinois

NWS Lincoln, IL issued this flash flood warning at Jun 8, 2026, 1:25 PM CDT for 4 counties in Illinois. It was in force for 3 hr. 7 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 8, 2026, 1:25 PM CDT (18:25 UTC)
Expired: Jun 8, 2026, 4:30 PM CDT
In force: 3 hr
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Flood severity: None

Counties Coles County, IL, Cumberland County, IL, Moultrie County, IL, Shelby County, IL

The radar

The Lincoln radar (KILX), 108 km from the middle of the area, began a volume at 18:25 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

Time	Report	Where	Remark
Jun 8, 1:26 PM CDT	FLOOD	1 Sw Mattoon, IL	Lakeland Blvd has water across the roads and is impassable. Water is coming up out of the manhole covers and out of the drainage system.
Jun 8, 1:26 PM CDT	FLOOD	1 W Mattoon, IL	Marshall Ave has water across the roads and is impassable. Water is coming up out of the manhole covers and out of the drainage system.
Jun 8, 1:44 PM CDT	FLOOD	1 Ene Mattoon, IL	Image of water halfway up the tires of a sedan driving down 5th Street and Charleston Ave.
Jun 8, 1:44 PM CDT	FLOOD	Mattoon, IL	Video of water across the roads and reaching over the curbs onto the sidewalks.
Jun 8, 3:35 PM CDT	RAIN 4.5	Lerna, IL
Jun 8, 4:02 PM CDT	RAIN 3.84	Coles County Airport, IL	ASOS station KMTO Coles Co. Mem AP.
Jun 8, 4:21 PM CDT	RAIN 1.55	Neoga, IL

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 12:00Z, 6.4 hours before the alert went out and 79 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 797 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 765 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 82 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

As transmitted.

283 
WGUS53 KILX 081825
FFWILX
ILC029-035-139-173-082130-
/O.NEW.KILX.FF.W.0013.260608T1825Z-260608T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lincoln IL
125 PM CDT Mon Jun 8 2026

The National Weather Service in Lincoln has issued a

* Flash Flood Warning for...
  Southeastern Moultrie County in central Illinois...
  Southeastern Shelby County in central Illinois...
  Southwestern Coles County in east central Illinois...
  Northwestern Cumberland County in east central Illinois...

* Until 430 PM CDT.

* At 125 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1.5 and 3 inches of 
  rain have fallen. Additional rainfall amounts of 1 to 2 inches are 
  possible in the warned area. Flash flooding is ongoing or expected 
  to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Charleston, Mattoon, Neoga, Windsor, Stewardson, Humboldt, Lerna, 
  Allenville, Cooks Mill, Paradise, Strasburg, Sigel, Gays, Loxa, 
  Etna, Trilla, Trowbridge, Coles County Airport and Fairgrange.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3946 8858 3959 8851 3962 8849 3960 8815
      3937 8829 3922 8838 3923 8873

FLASH FLOOD...RADAR INDICATED

$$

Knutsvig

1 follow-up statement

177 
WGUS73 KILX 082131
FFSILX

Flash Flood Statement
National Weather Service Lincoln IL
431 PM CDT Mon Jun 8 2026

ILC029-035-139-173-082141-
/O.EXP.KILX.FF.W.0013.000000T0000Z-260608T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Coles IL-Cumberland IL-Moultrie IL-Shelby IL-
431 PM CDT Mon Jun 8 2026

...FLASH FLOOD WARNING HAS EXPIRED FOR SOUTHEASTERN MOULTRIE, 
SOUTHEASTERN SHELBY, SOUTHWESTERN COLES AND NORTHWESTERN CUMBERLAND 
COUNTIES...

The heavy rain has ended. Please continue to heed remaining road 
closures.

A Flood Watch remains in effect until 700 AM CDT Tuesday for 
portions of central, east central, southeast, and west central 
Illinois.

&&

LAT...LON 3946 8858 3959 8851 3962 8849 3960 8815
      3937 8829 3922 8838 3923 8873

$$

Copple

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 8, 1:37 AM CDT	Flood Watch	ILX	Cass, Champaign, Christian, Clark, Clay, Coles and 29 more	23 hr
Jun 8, 10:22 AM CDT	Flash Flood Warning	ILX	Morgan, Sangamon	3 hr
Jun 8, 10:26 AM CDT	Special Weather Statement	ILX	Logan, Menard	34 min
Jun 8, 11:22 AM CDT	Special Weather Statement	ILX	Tazewell	23 min
Jun 8, 11:55 AM CDT	Flash Flood Warning	ILX	Moultrie, Shelby	5 hr
Jun 8, 1:11 PM CDT	Special Weather Statement	ILX	Coles, Douglas	34 min
Jun 8, 1:44 PM CDT	Special Weather Statement	ILX	Edgar, Vermilion	31 min
Jun 8, 1:58 PM CDT	Flash Flood Warning	ILX	Coles, Effingham, Jasper	6 min
Jun 8, 2:04 PM CDT	Flash Flood Warning	ILX	Coles, Cumberland, Effingham, Jasper	3 hr
Jun 8, 2:21 PM CDT	Areal Flood Advisory	ILX	Knox	3 hr
Jun 8, 2:28 PM CDT	Areal Flood Advisory	ILX	Champaign, Coles, Douglas, Edgar, Moultrie, Piatt and 1 more	3 hr
Jun 8, 3:46 PM CDT	Special Weather Statement	ILX	Jasper	29 min
Jun 8, 4:16 PM CDT	Areal Flood Advisory	ILX	Fulton	85 min
Jun 8, 5:39 PM CDT	Severe Thunderstorm Warning	ILX	Menard, Sangamon	36 min
Jun 8, 6:32 PM CDT	Flash Flood Warning	ILX	Menard, Sangamon	2 hr

Nearby

Flash Flood Warnings in Illinois, 2026 Every flash flood warning in 2026

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.