Alert archive / Illinois / Tornado Warnings in 2026

Tornado Warning 75, NWS St. Louis, MO

June 21, 2026Marion County, Illinois

NWS St. Louis, MO issued this tornado warning at Jun 21, 2026, 6:15 PM CDT for Marion County, Illinois. It was in force for 37 min. 4 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 21, 2026, 6:15 PM CDT (23:15 UTC)
Expired
Jun 21, 2026, 6:52 PM CDT
In force
37 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Marion County, IL

The radar

The Evansville,IN radar (KVWX), 116 km from the middle of the area, began a volume at 23:16 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 21, 6:21 PM CDTTSTM WND DMG2 N Sandoval, ILAn officer was blown off the road on Highway 51 north of Sandoval.
Jun 21, 6:21 PM CDTTORNADO2 W Odin, ILReport of tornado briefly on the ground.
Jun 21, 6:26 PM CDTTSTM WND DMG2 Ese Sandoval, ILDrone video showed scattered damage to tree limbs from RFD winds in the area.
Jun 21, 6:41 PM CDTTSTM WND DMG4 Nne Stephen Forbes St, ILDamage to a structure on Meacham Road.

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

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 21, 1:28 PM CDTTornado WatchSPC9 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.3 hours before the alert went out and 175 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 2026-06-21Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2026-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 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
1482 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
35 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

584 
WFUS53 KLSX 212315
TORLSX
ILC121-220015-
/O.NEW.KLSX.TO.W.0075.260621T2315Z-260622T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
615 PM CDT Sun Jun 21 2026

The National Weather Service in St Louis has issued a

* Tornado Warning for...
  Marion County in south central Illinois...

* Until 715 PM CDT.

* At 615 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Shattuc, or 8 miles northwest of Centralia, moving
  east at 35 mph. Another rotating thunderstorm has developed in
  northern Marion county and is capable of producing a tornado.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without
           shelter. Mobile homes will be damaged or destroyed. Damage
           to roofs, windows and vehicles will occur. Tree damage is
           likely.

* Locations impacted include...
  Wamac, Junction City, Central City, Centralia, Sandoval, Fairman,
  Patoka, Vernon, Odin, Walnut Hill, Salem, Tonti, Alma, Kell,
  Kinmundy, Farina, Iuka, Omega, Stephen Forbes Station and Helm.

This includes the following State Parks...
Stephen A. Forbes State Recreation Area.

This includes Interstate 57 in Illinois between exits 109 and 127.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.

&&

LAT...LON 3848 8914 3882 8914 3882 8906 3883 8870
      3848 8870 3848 8892 3847 8900
TIME...MOT...LOC 2314Z 272DEG 31KT 3863 8920

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

BSH
8 follow-up statements
853 
WWUS53 KLSX 212321
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
621 PM CDT Sun Jun 21 2026

ILC121-220015-
/O.CON.KLSX.TO.W.0075.000000T0000Z-260622T0015Z/
Marion IL-
621 PM CDT Sun Jun 21 2026

...TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR MARION
COUNTY IN SOUTH CENTRAL ILLINOIS...

At 621 PM CDT, a confirmed tornado was west of Odin, or 6 miles north
of Centralia, moving east at 35 mph.

HAZARD...Damaging tornado.

SOURCE...Emergency management confirmed tornado.

IMPACT...Flying debris will be dangerous to those caught without
         shelter. Mobile homes will be damaged or destroyed. Damage
         to roofs, windows and vehicles will occur. Tree damage is
         likely.

Locations impacted include...
  Wamac, Sandoval, Central City, Patoka, Vernon, Junction City,
  Fairman, Centralia, Odin, Walnut Hill, Tonti, Salem, Alma, Kell,
  Kinmundy, Farina, Iuka, Omega, Stephen Forbes Station and Helm.

This includes the following State Parks...
Stephen A. Forbes State Recreation Area.

This includes Interstate 57 in Illinois between exits 109 and 127.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.

&&

LAT...LON 3848 8914 3882 8914 3882 8906 3883 8870
      3848 8870 3848 8892 3847 8900
TIME...MOT...LOC 2315Z 275DEG 30KT 3862 8919

TORNADO...OBSERVED
MAX HAIL SIZE...0.00 IN

$$

BSH
404 
WWUS53 KLSX 212324
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
624 PM CDT Sun Jun 21 2026

ILC121-220015-
/O.CON.KLSX.TO.W.0075.000000T0000Z-260622T0015Z/
Marion IL-
624 PM CDT Sun Jun 21 2026

...TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR MARION
COUNTY IN SOUTH CENTRAL ILLINOIS...

At 624 PM CDT, a confirmed tornado was located over Sandoval, or 6
miles north of Centralia, moving east at 35 mph. There is another
area of rotation capable of producing a tornado to the northwest of
Kinmundy, IL

HAZARD...Damaging tornado.

SOURCE...Emergency management confirmed tornado.

IMPACT...Flying debris will be dangerous to those caught without
         shelter. Mobile homes will be damaged or destroyed. Damage
         to roofs, windows and vehicles will occur. Tree damage is
         likely.

Locations impacted include...
  Wamac, Sandoval, Central City, Junction City, Fairman, Centralia,
  Odin, Walnut Hill, Selmaville, Tonti, Salem, Alma, Brubaker, Kell,
  Kinmundy, Farina, Iuka, Omega, Stephen Forbes Station and Helm.

This includes the following State Parks...
Stephen A. Forbes State Recreation Area.

This includes Interstate 57 in Illinois between exits 109 and 127.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.

&&

LAT...LON 3848 8914 3868 8914 3882 8901 3882 8887
      3883 8870 3848 8870 3848 8895 3847 8904
TIME...MOT...LOC 2321Z 275DEG 30KT 3861 8913

TORNADO...OBSERVED
MAX HAIL SIZE...0.00 IN

$$

BSH
476 
WWUS53 KLSX 212330
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
630 PM CDT Sun Jun 21 2026

ILC121-220015-
/O.CON.KLSX.TO.W.0075.000000T0000Z-260622T0015Z/
Marion IL-
630 PM CDT Sun Jun 21 2026

...TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR MARION
COUNTY IN SOUTH CENTRAL ILLINOIS...

At 630 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Odin, or near Salem, moving east at 35 mph. There is
another area of rotation capable of producing a tornado to the
northwest of Kinmundy, IL

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without
         shelter. Mobile homes will be damaged or destroyed. Damage
         to roofs, windows and vehicles will occur. Tree damage is
         likely.

Locations impacted include...
  Odin, Walnut Hill, Selmaville, Tonti, Salem, Alma, Cartter,
  Brubaker, Kell, Kinmundy, Farina, Iuka, Omega, Stephen Forbes
  Station and Helm.

This includes the following State Parks...
Stephen A. Forbes State Recreation Area.

This includes Interstate 57 in Illinois between exits 109 and 127.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.

&&

LAT...LON 3847 8909 3865 8908 3882 8893 3882 8879
      3883 8870 3848 8870 3848 8895 3847 8901
TIME...MOT...LOC 2324Z 275DEG 30KT 3861 8909

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

BSH
722 
WWUS53 KLSX 212331
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
631 PM CDT Sun Jun 21 2026

ILC121-220015-
/O.CON.KLSX.TO.W.0075.000000T0000Z-260622T0015Z/
Marion IL-
631 PM CDT Sun Jun 21 2026

...TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR MARION
COUNTY IN SOUTH CENTRAL ILLINOIS...

At 631 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Odin, or near Salem, moving east at 35 mph.

HAZARD...Tornado and quarter size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without
         shelter. Mobile homes will be damaged or destroyed. Damage
         to roofs, windows and vehicles will occur. Tree damage is
         likely.

Locations impacted include...
  Odin, Walnut Hill, Selmaville, Tonti, Salem, Alma, Cartter,
  Brubaker, Kell, Kinmundy, Farina, Iuka, Omega, Stephen Forbes
  Station and Helm.

This includes the following State Parks...
Stephen A. Forbes State Recreation Area.

This includes Interstate 57 in Illinois between exits 109 and 127.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.

&&

LAT...LON 3847 8909 3865 8908 3882 8893 3882 8879
      3883 8870 3848 8870 3848 8895 3847 8901
TIME...MOT...LOC 2330Z 275DEG 30KT 3861 8903

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

BSH
292 
WWUS53 KLSX 212337
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
637 PM CDT Sun Jun 21 2026

ILC121-220015-
/O.CON.KLSX.TO.W.0075.000000T0000Z-260622T0015Z/
Marion IL-
637 PM CDT Sun Jun 21 2026

...TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR EASTERN
MARION COUNTY IN SOUTH CENTRAL ILLINOIS...

At 637 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Salem, moving east at 35 mph.

HAZARD...Tornado and quarter size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without
         shelter. Mobile homes will be damaged or destroyed. Damage
         to roofs, windows and vehicles will occur. Tree damage is
         likely.

Locations impacted include...
  Selmaville, Salem, Cartter, Kell, Kinmundy, Farina, Iuka, Omega,
  Stephen Forbes Station and Helm.

This includes the following State Parks...
Stephen A. Forbes State Recreation Area.

This includes Interstate 57 in Illinois between exits 109 and 116.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.

&&

LAT...LON 3847 8901 3864 8900 3870 8885 3882 8884
      3882 8879 3883 8874 3883 8870 3848 8870
      3848 8898
TIME...MOT...LOC 2331Z 275DEG 30KT 3861 8902

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

BSH
733 
WWUS53 KLSX 212343
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
643 PM CDT Sun Jun 21 2026

ILC121-220015-
/O.CON.KLSX.TO.W.0075.000000T0000Z-260622T0015Z/
Marion IL-
643 PM CDT Sun Jun 21 2026

...TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR EASTERN
MARION COUNTY IN SOUTH CENTRAL ILLINOIS...

At 643 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Salem, moving east at 35 mph.

HAZARD...Tornado and quarter size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without
         shelter. Mobile homes will be damaged or destroyed. Damage
         to roofs, windows and vehicles will occur. Tree damage is
         likely.

Locations impacted include...
  Cartter, Kell, Iuka, Omega, Stephen Forbes Station and Helm.

This includes the following State Parks...
Stephen A. Forbes State Recreation Area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.

&&

LAT...LON 3848 8896 3864 8891 3870 8885 3879 8878
      3883 8871 3883 8870 3848 8870
TIME...MOT...LOC 2337Z 275DEG 30KT 3860 8896

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

BSH
349 
WWUS53 KLSX 212347
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
647 PM CDT Sun Jun 21 2026

ILC121-220015-
/O.CON.KLSX.TO.W.0075.000000T0000Z-260622T0015Z/
Marion IL-
647 PM CDT Sun Jun 21 2026

...TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR
SOUTHEASTERN MARION COUNTY IN SOUTH CENTRAL ILLINOIS...

At 647 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Helm, or 14 miles southeast of Salem, moving east at
35 mph.

HAZARD...Tornado and quarter size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without
         shelter. Mobile homes will be damaged or destroyed. Damage
         to roofs, windows and vehicles will occur. Tree damage is
         likely.

Locations impacted include...
  Kell, Cartter, Iuka and Helm.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.

&&

LAT...LON 3848 8896 3856 8893 3869 8870 3848 8870
TIME...MOT...LOC 2343Z 266DEG 30KT 3850 8879

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

BSH
607 
WWUS53 KLSX 212352
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
652 PM CDT Sun Jun 21 2026

ILC121-220002-
/O.CAN.KLSX.TO.W.0075.000000T0000Z-260622T0015Z/
Marion IL-
652 PM CDT Sun Jun 21 2026

...TORNADO WARNING IS CANCELLED FOR SOUTHEASTERN MARION COUNTY IN
SOUTH CENTRAL ILLINOIS...

The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 900 PM CDT for a portion of
south central Illinois.

&&

LAT...LON 3848 8896 3856 8893 3869 8870 3848 8870
TIME...MOT...LOC 2347Z 266DEG 30KT 3850 8875

$$

BSH

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 21, 2:47 PM CDTSevere Thunderstorm WarningLSXFayette43 min
Jun 21, 2:54 PM CDTTornado WarningLSXBond, Madison36 min
Jun 21, 3:03 PM CDTTornado WarningLSXFayette15 min
Jun 21, 3:23 PM CDTTornado WarningLSXBond, Fayette52 min
Jun 21, 3:26 PM CDTFlash Flood WarningLSXBond, Fayette, Montgomery4 hr
Jun 21, 3:44 PM CDTFlash Flood WarningLSXFayette6 hr
Jun 21, 3:45 PM CDTTornado WarningLSXFayette, Marion60 min
Jun 21, 4:27 PM CDTFlash Flood WarningLSXMarion6 hr
Jun 21, 5:02 PM CDTTornado WarningLSXClinton, Madison, Saint Clair43 min
Jun 21, 5:07 PM CDTTornado WarningLSXBond, Fayette, Marion38 min
Jun 21, 5:19 PM CDTTornado WarningLSXFayette, Marion41 min
Jun 21, 5:35 PM CDTSevere Thunderstorm WarningLSXClinton, Marion70 min
Jun 21, 5:40 PM CDTTornado WarningLSXMarion39 min
Jun 21, 5:43 PM CDTSevere Thunderstorm WarningLSXClinton39 min
Jun 21, 5:50 PM CDTTornado WarningLSXClinton32 min
Jun 21, 6:08 PM CDTTornado WarningLSXMarion10 min

Nearby

Tornado Warnings in Illinois, 2026Every tornado warning in 2026Tornadoes 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.