Alert archive / Illinois / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 280, NWS Lincoln, IL

June 17, 20267 counties in Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jun 17, 2026, 4:49 PM CDT for 7 counties in Illinois. It was in force for 56 min. 21 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 17, 2026, 4:49 PM CDT (21:49 UTC)
Expired
Jun 17, 2026, 5:45 PM CDT
In force
56 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
60.0 mph

Counties Christian County, IL, DeWitt County, IL, Macon County, IL, Moultrie County, IL, Piatt County, IL, Sangamon County, IL, Shelby County, IL

The radar

The Lincoln radar (KILX), 55 km from the middle of the area, began a volume at 21:53 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 17, 4:50 PM CDTHAIL 1.751 W Illiopolis, ILReport from mPING: Golf Ball (1.75 in.).
Jun 17, 4:53 PM CDTTSTM WND DMG1 Ssw Illiopolis, ILCorrects previous non-tstm wnd dmg report from 1 SSW Illiopolis. social media aerial image of straight line wind damage to trees and a farm outbuilding. time estimated from radar.
Jun 17, 4:53 PM CDTHAIL 1.751 W Illiopolis, ILCorrects previous hail report from 1 W Illiopolis. Report from mPING: Golf Ball (1.75 in.). Time estimated from radar.
Jun 17, 4:53 PM CDTNON-TSTM WND DMG1 Ssw Illiopolis, ILsocial media aerial image of straight line wind damage to trees and a farm outbuilding. time estimated from radar.
Jun 17, 4:55 PM CDTHAIL 1.75Illiopolis, ILCorrects previous hail report from Illiopolis. Golf Ball size hail. Time estimated from radar.
Jun 17, 5:00 PM CDTTSTM WND DMGNiantic, ILShed destroyed by high winds.
Jun 17, 5:02 PM CDTTSTM WND DMG2 Se Niantic, ILSheet metal blown into a field near Niantic.
Jun 17, 5:02 PM CDTHAIL 22 Se Niantic, IL
Jun 17, 5:05 PM CDTTORNADO1 W Blue Mound, ILEF-1, max winds 110 mph, path length 10.7 miles, width 700 yards. The tornado began in northern Christian County in the Griswold Conservation Area, causing extensive tree damage throughout the property. It crossed the county line into Macon County, damaging mo
Jun 17, 5:08 PM CDTHAIL 1.5Boody, ILCorrects previous hail report from Boody. Photo of ping pong size hail with a ruler. Time estimated from radar.
Jun 17, 5:08 PM CDTHAIL 1.75Boody, ILCorrects previous hail report from Boody. Golf ball size hail near route 48 outside of Boody. Time estimated from radar.
Jun 17, 5:10 PM CDTTSTM WND DMGDecatur, ILPowerline line blown down at Shadow Ridge in Decatur.
Jun 17, 5:10 PM CDTHAIL 1.5Elwin, ILPing Pong size hail.
Jun 17, 5:15 PM CDTTSTM WND DMG2 S Macon, ILPower poles snapped off near the ground near highway 51 south of Walker Road.
Jun 17, 5:15 PM CDTTSTM WND DMG4 Se Harristown, IL10 trees snapped.
Jun 17, 5:27 PM CDTTORNADO4 Wsw Bethany, ILEF-1, max winds 100 mph, path length 3.37 miles, width 75 yards. The tornado touched down about 4 miles southwest of Bethany in northeast Christian County where it snapped a softwood tree trunk and removed large branches from hardwood trees. It continued east,
Jun 17, 5:45 PM CDTHAIL 1.75Boody, ILGolf ball size hail near route 48 outside of Boody.
Jun 17, 5:51 PM CDTHAIL 0.75Decatur, ILReport from mPING: Dime (0.75 in.).
Jun 17, 5:51 PM CDTHAIL 1Decatur Airport, IL
Jun 17, 5:52 PM CDTTSTM WND DMGForsyth, ILTree damage and some siding off homes.
Jun 17, 5:53 PM CDTHAIL 11 W Decatur, IL

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

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched 14 storm reports to this severe thunderstorm warning; the first came 1 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 17, 2:14 PM CDTTornado WatchSPC11 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.8 hours before the alert went out and 39 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 12:00Z on 2026-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2026-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 138 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2139 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
138 m²/s²
0-3 km storm-relative helicity
239 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

886 
WUUS53 KILX 172149
SVRILX
ILC021-039-115-139-147-167-173-172245-
/O.NEW.KILX.SV.W.0280.260617T2149Z-260617T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
449 PM CDT Wed Jun 17 2026

The National Weather Service in Lincoln has issued a

* Severe Thunderstorm Warning for...
  Northeastern Christian County in central Illinois...
  Northeastern Sangamon County in central Illinois...
  Moultrie County in central Illinois...
  Northwestern Shelby County in central Illinois...
  Piatt County in central Illinois...
  South central De Witt County in central Illinois...
  Macon County in central Illinois...

* Until 545 PM CDT.

* At 449 PM CDT, severe thunderstorms were located along a line
  extending from near Maroa to near Niantic to near Dawson, moving
  east at 50 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Severe thunderstorms will be near...
  Decatur, Forsyth, Harristown, Argenta, Illiopolis, Oreana, 
  Niantic, Mechanicsburg, Mount Auburn, and Cisco around 455 PM CDT.
  Mount Zion, Cerro Gordo, Long Creek, and Decatur Airport around 
  500 PM CDT.
  Monticello around 505 PM CDT.

Other locations in the path of these severe thunderstorms include
Bement, Blue Mound, Macon, Hammond, Ivesdale, Dalton City, Atwood,
Lovington and Arthur.

This includes Interstate 72 between mile markers 107 and 168.
 
This also includes Lincoln Trail Homestead State Park & Memorial,
Spitler Woods State Natural Area, and Shelbyville State Fish and
Wildlife Area.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

For your protection move to an interior room on the lowest floor of a
building.

A Tornado Watch remains in effect until 1000 PM CDT for central and
east central Illinois.

&&

LAT...LON 3979 8847 3965 8847 3947 8881 3983 8958
      3992 8928 3992 8915 3996 8914 4008 8883
      4007 8846 3979 8846
TIME...MOT...LOC 2149Z 281DEG 44KT 4005 8888 3989 8911 3982 8948 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Erwin

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Jun 17, 3:16 PM CDT, 1 hour 33 minutes earlier. Its key messages:

  • A Tornado Watch is in effect until 10pm CDT for locations along and south of a Macomb to Chenoa line. All severe hazards are possible...with the greatest probability for strong tornadoes focusing south of a Springfield to Paris line.
  • Quiet weather will prevail Thursday through Saturday...with the next chance for thunderstorms arriving by Sunday.
Area forecast discussion, Jun 17, 3:16 PM CDT, 1 hour 33 minutes before
Area Forecast Discussion
National Weather Service Lincoln IL
316 PM CDT Wed Jun 17 2026

.KEY MESSAGES...

- A Tornado Watch is in effect until 10pm CDT for locations
  along and south of a Macomb to Chenoa line. All severe hazards
  are possible...with the greatest probability for strong
  tornadoes focusing south of a Springfield to Paris line.

- Quiet weather will prevail Thursday through Saturday...with
  the next chance for thunderstorms arriving by Sunday.

&&

.DISCUSSION...
Issued at 316 PM CDT Wed Jun 17 2026

19z/2pm mesoanalysis shows an outflow boundary left behind by
the morning convection along a Quincy...to Litchfield...to
Salem line. This is considerably further south than previously
thought: therefore the most significant risk for widespread
severe weather later this afternoon and evening has shifted
south as well. As such, the new Tornado Watch coordinated with
SPC does not include the far northern KILX CWA from the Peoria
area northward.

MLCAPEs are currently under 1000J/kg: however, as the boundary
mixes slowly northward this afternoon, the RAP suggests MLCAPEs
will increase into the 1500-2000J/kg along/southeast of a Quincy
to Champaign line over the next couple of hours. Impressive wind
fields aloft are contributing to very strong 0-6km bulk shear
of 60-80kt...while 0-1km shear values remain in the 30-40kt
range. Given marginal instability and extreme shear, am
expecting supercell thunderstorms to rapidly develop along/ahead
of a slowly advancing cold front across the Illinois River
Valley imminently. All severe hazards will be in play...including
damaging wind gusts in excess of 70mph, hail larger than
golf balls, and tornadoes. The Significant Tornado Parameter
(STP) is currently maximized closer to the outflow boundary
from central/northern Missouri across south-central Illinois,
but is progged to lift northward later this afternoon/evening.
At this time, it appears the highest probability of potentially
strong tornadoes will focus along/south of a Springfield to
Paris line.

Thunderstorms are currently developing in a band from
Galesburg/Rushville eastward to Pontiac/Champaign. CAMs have
generally sped up the development process, as well as the
gradual S/SE movement of the band. As a result, think the
primary severe risk will be focused along the I-72 corridor
between 4pm and 6pm, then will sink toward I-70 by 7pm to 9pm.
The primary line of convection will exit the far SE KILX CWA
around midnight: however, a few showers may linger further north
throughout the evening into the first part of the overnight.

A short-wave trough will bring a period of mid-level cloudiness
to central Illinois Thursday morning, with forecast soundings
suggesting the potential for a few light rain showers mostly
along/south of a Rushville to Robinson line where slight chance
PoPs (20%) are warranted. Once this wave departs, a return to
cool and mostly dry weather will be on tap for Friday and
Saturday. The next significant chance for precipitation will
hold off until late Saturday night into Sunday as a stronger
short-wave trough traverses the Plains and approaches from the
west. Given better deep-layer moisture and strong forcing, think
showers and thunderstorms will become widespread. The severe
weather risk remains uncertain at this time, with several
machine learning algorithms such as Colorado State and NSSL
keeping the greatest probabilities further south. A few NCAR
members do however suggest 15-30% probs northward into central
Illinois, so will need to keep an eye on mesoscale details as
the time nears.

&&

.AVIATION /18Z TAFS THROUGH 18Z THURSDAY/...
Issued at 1247 PM CDT Wed Jun 17 2026

Convection is ongoing across central Illinois early this
afternoon: however, 1740z/1240pm radar imagery shows the back
edge of the precip along a KGBG to KSPI line. Based on
radar/satellite trends, it appears the terminals will see a
couple hour break as the afternoon progresses before a final
line of thunderstorms forms from the Iowa/Missouri border
eastward into the area after 19z/20z. Following the latest
HRRR/RAP solution closely, have highlighted thunder with visbys
down to 1 mile at KPIA between 19z and 21z...then further south
to the I-72 sites between 22z and 00z. Once the convective line
settles further south, scattered showers will remain possible
until early evening. After that, am expecting skies to become
mostly clear through much of the evening before a layer of
mid-level clouds AOA 15,000ft spreads across the area by
Thursday morning. Winds are highly variable at the moment due to
ongoing storms, but will become southeasterly this
afternoon...then westerly this evening as a cold front passes.

&&

.ILX WATCHES/WARNINGS/ADVISORIES...
Flood Watch until 10 PM CDT this evening for ILZ027>031-
036>038.
Wind Advisory until 7 PM CDT this evening for ILZ040>057-
061>063-066>068-071>073.

&&

KEY MESSAGES...Barnes
DISCUSSION...Barnes
AVIATION...Barnes
Hazardous weather outlook, Jun 17, 3:28 PM CDT, 1 hour 21 minutes before
Hazardous Weather Outlook
National Weather Service Lincoln IL
328 PM CDT Wed Jun 17 2026

ILZ036>038-040>057-061>063-066>068-071>073-181100-
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-
328 PM CDT Wed Jun 17 2026

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

.DAY ONE...Tonight.

A broken line of thunderstorms capable of all severe hazards will
settle southward through central Illinois late this afternoon and
evening. The strongest cells within the line will have the potential
to produce tornadoes, damaging wind gusts in excess of 70mph, and hail
large than golf balls. The highest probability for strong tornadoes
will focus along and south of a Springfield to Paris line.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Thunderstorms will develop across the area late Saturday night into
Sunday. At this time it appears the severe weather risk will remain
low.

River flooding is ongoing for portions of central Illinois. Please
refer to the latest flood statements for details.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will be needed through 10pm this evening.

Expected storm motion is toward the east at 60-70mph.

ILZ027>031-181100-
Knox-Stark-Peoria-Marshall-Woodford-
328 PM CDT Wed Jun 17 2026

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

.DAY ONE...Tonight.

A few strong to severe thunderstorms capable of damaging wind gusts
and large hail will track across north-central Illinois late this
afternoon. The storms will drop south of the Peoria area by early
evening.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Thunderstorms will develop across the area late Saturday night into
Sunday. At this time it appears the severe weather risk will remain
low.

River flooding is ongoing for portions of central Illinois. Please
refer to the latest flood statements for details.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed through 5pm this afternoon.

Expected storm motion is toward the east at 60-70mph.

Barnes

In the hours before

Local storm report, Jun 17, 4:25 PM CDT, 24 minutes before
Preliminary Local Storm Report
National Weather Service Lincoln IL
425 PM CDT Wed Jun 17 2026

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

0420 PM     Rain             Saybrook                40.43N 88.53W
06/17/2026  M2.00 Inch       McLean             IL   Emergency Mngr

            Two inches of rainfall in Saybrook so far
            today.

&&
Local storm report, Jun 17, 4:28 PM CDT, 21 minutes before
Preliminary Local Storm Report
National Weather Service Lincoln IL
428 PM CDT Wed Jun 17 2026

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

0415 PM     Flash Flood      Bellflower              40.34N 88.53W
06/17/2026                   McLean             IL   Emergency Mngr

            Water covering highway 136 both lanes at
            3900 E South of Bellflower.

&&
Local storm report, Jun 17, 4:41 PM CDT, 8 minutes before
Preliminary Local Storm Report
National Weather Service Lincoln IL
441 PM CDT Wed Jun 17 2026

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

0438 PM     Flood            Saybrook                40.43N 88.53W
06/17/2026                   McLean             IL   Emergency Mngr

            Saybrook has reports of water flowing on
            several streets as well as standing water in
            yards.

&&
Local storm report, Jun 17, 4:43 PM CDT, 6 minutes before
Preliminary Local Storm Report
National Weather Service Lincoln IL
443 PM CDT Wed Jun 17 2026

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

0440 PM     Funnel Cloud     3 NE Springfield        39.83N 89.61W
06/17/2026                   Sangamon           IL   Broadcast Media

            Funnel cloud on camera.

&&
Local storm report, Jun 17, 4:45 PM CDT, 4 minutes before
Preliminary Local Storm Report
National Weather Service Lincoln IL
445 PM CDT Wed Jun 17 2026

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

0130 PM     Rain             1 SE West Peoria        40.69N 89.62W
06/17/2026  M3.39 Inch       Peoria             IL   Mesonet

            Mesonet station AW321 PEORIA.

&&
Local storm report, Jun 17, 4:48 PM CDT, 1 minute before
Preliminary Local Storm Report
National Weather Service Lincoln IL
448 PM CDT Wed Jun 17 2026

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

0443 PM     Rain             1.8 W Washington        40.70N 89.44W
06/17/2026  M3.97 Inch       Tazewell           IL   Broadcast Media

            Rainfall so far today from Personal Weather
            Station.

&&

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 8:14 AM CDTSevere Thunderstorm WarningILXFulton, Knox, Peoria, Stark61 min
Jun 17, 9:03 AM CDTSevere Thunderstorm Warning Considerable damage threatILXFulton, Marshall, Peoria, Stark, Tazewell, Woodford57 min
Jun 17, 9:11 AM CDTAreal Flood AdvisoryILXKnox3 hr
Jun 17, 9:45 AM CDTSevere Thunderstorm WarningILXLogan, Mason, Menard, Sangamon60 min
Jun 17, 9:54 AM CDTSevere Thunderstorm WarningILXMcLean, Woodford66 min
Jun 17, 10:09 AM CDTSevere Thunderstorm WarningILXDeWitt, Macon, Moultrie, Piatt66 min
Jun 17, 10:58 AM CDTRiver Flood WarningILXMarshall, Putnam11 days
Jun 17, 2:53 PM CDTSevere Thunderstorm WarningILXDeWitt, Fulton, Logan, McLean, Mason, Tazewell50 min
Jun 17, 2:55 PM CDTSevere Thunderstorm WarningILXMcLean, Peoria, Tazewell, Woodford31 min
Jun 17, 3:41 PM CDTFlash Flood WarningILXDeWitt, Logan, McLean, Tazewell3 hr
Jun 17, 3:42 PM CDTSevere Thunderstorm WarningILXDeWitt, Logan, McLean, Macon, Piatt41 min
Jun 17, 3:50 PM CDTFlash Flood WarningILXMcLean, Peoria, Tazewell, Woodford3 hr
Jun 17, 3:50 PM CDTSevere Thunderstorm WarningILXCass, Logan, Mason, Menard, Sangamon55 min
Jun 17, 3:52 PM CDTSevere Thunderstorm WarningILXDeWitt, Logan, McLean, Mason, Tazewell26 min
Jun 17, 3:57 PM CDTSevere Thunderstorm WarningILXCass, Christian, Logan, Mason, Menard, Sangamon63 min
Jun 17, 4:08 PM CDTTornado WarningILXChampaign, DeWitt, Douglas, Macon, Piatt31 min
Jun 17, 4:14 PM CDTSevere Thunderstorm WarningILXFulton, Mason, Tazewell28 min
Jun 17, 4:19 PM CDTFlash Flood WarningILXChampaign, DeWitt, McLean, Piatt3 hr
Jun 17, 4:19 PM CDTTornado WarningILXLogan, Menard, Sangamon41 min
Jun 17, 4:23 PM CDTTornado WarningILXDeWitt, Logan, Macon52 min
Jun 17, 4:29 PM CDTSevere Thunderstorm WarningILXCass, Fulton, Mason, Schuyler61 min
Jun 17, 4:42 PM CDTSevere Thunderstorm Warning Considerable damage threatILXChristian, Logan, Menard, Sangamon19 min
Jun 17, 4:54 PM CDTTornado WarningILXChristian, Macon38 min
Jun 17, 5:05 PM CDTSevere Thunderstorm WarningILXLogan, Menard, Sangamon40 min
Jun 17, 5:11 PM CDTTornado WarningILXChristian, Macon, Moultrie, Shelby21 min
Jun 17, 5:14 PM CDTSevere Thunderstorm WarningILXDeWitt, Logan, Macon26 min
Jun 17, 5:18 PM CDTSevere Thunderstorm WarningILXCass, Morgan, Scott38 min
Jun 17, 5:21 PM CDTTornado WarningILXChampaign, Douglas, Piatt39 min
Jun 17, 5:23 PM CDTTornado WarningILXMacon, Moultrie, Piatt, Shelby30 min
Jun 17, 5:26 PM CDTSevere Thunderstorm WarningILXLogan, Mason, Menard, Sangamon34 min
Jun 17, 5:43 PM CDTSevere Thunderstorm WarningILXChristian, Logan, Macon, Moultrie, Piatt, Sangamon and 1 more44 min
Jun 17, 5:46 PM CDTTornado WarningILXColes, Douglas44 min
Jun 17, 6:09 PM CDTTornado WarningILXClark, Edgar53 min
Jun 17, 6:11 PM CDTFlash Flood WarningILXChristian, Logan, Macon, Menard, Moultrie, Sangamon4 hr
Jun 17, 6:16 PM CDTFlash Flood WarningILXChampaign, Piatt, Vermilion4 hr
Jun 17, 6:18 PM CDTSevere Thunderstorm Warning Destructive damage threatILXColes, Douglas, Moultrie, Piatt42 min
Jun 17, 6:33 PM CDTSevere Thunderstorm WarningILXMorgan, Sangamon, Scott45 min
Jun 17, 6:40 PM CDTFlash Flood WarningILXClark, Coles, Douglas, Edgar3 hr
Jun 17, 6:44 PM CDTSevere Thunderstorm Warning Destructive damage threatILXColes, Cumberland, Douglas46 min
Jun 17, 6:46 PM CDTTornado WarningILXColes, Cumberland29 min
Jun 17, 6:47 PM CDTTornado WarningILXChristian, Sangamon43 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2026Every severe thunderstorm 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.