Alert archive / Illinois / Tornado Warnings in 2025

Tornado Warning 33, NWS St. Louis, MO

April 2, 2025Randolph County, Illinois

NWS St. Louis, MO issued this tornado warning at Apr 2, 2025, 6:19 PM CDT for Randolph County, Illinois. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 2, 2025, 6:19 PM CDT (23:19 UTC)
Expired
Apr 2, 2025, 6:49 PM CDT
In force
30 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Randolph County, IL

The radar

The St Louis radar (KLSX), 120 km from the middle of the area, began a volume at 23:23 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.

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 2, 4:19 PM CDTTornado WatchSPC3 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.3 hours before the alert went out and 265 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 2025-04-02Temperature 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 2025-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 948 square meters per square second.1939587897Sfc1 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
864 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
948 m²/s²
0-3 km storm-relative helicity
1028 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.9

Open this sounding in Storm Lab

The text

As transmitted.

000 
WFUS53 KLSX 022319
TORLSX
ILC157-030000-
/O.NEW.KLSX.TO.W.0033.250402T2319Z-250403T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
619 PM CDT Wed Apr 2 2025

The National Weather Service in St Louis has issued a

* Tornado Warning for...
  Eastern Randolph County in southwestern Illinois...

* Until 700 PM CDT.

* At 619 PM CDT, a severe thunderstorm capable of producing a 
  tornado was located 9 miles southeast of St. Mary, or 12 miles 
  south of Chester, moving northeast at 65 mph.

  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.

* This tornado will be near...
  Chester around 630 PM CDT.

Other locations impacted by the tornado include Rockwood, Welge, 
Shiloh Hill, Blair and Eden.

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 3822 8960 3822 8959 3796 8960 3786 8966
      3783 8966 3782 8968 3780 8967 3783 8972
      3785 8974 3785 8979 3786 8980 3788 8980
      3791 8984 3787 8990 3787 8992
TIME...MOT...LOC 2319Z 218DEG 56KT 3774 8989

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

$$

19
2 follow-up statements
738 
WWUS53 KLSX 022345
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
645 PM CDT Wed Apr 2 2025

ILC157-030000-
/O.CON.KLSX.TO.W.0033.000000T0000Z-250403T0000Z/
Randolph IL-
645 PM CDT Wed Apr 2 2025

...TORNADO WARNING REMAINS IN EFFECT UNTIL 7 PM CDT FOR NORTHEASTERN 
RANDOLPH COUNTY...

At 645 PM CDT, a severe thunderstorm capable of producing a tornado 
was located near Percy, or 8 miles southeast of Sparta, moving 
northeast at 60 mph.

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.

Other locations impacted by the tornado include Blair and Eden.

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 3808 8960 3796 8960 3805 8975 3822 8960
      3822 8959 3818 8959
TIME...MOT...LOC 2319Z 214DEG 53KT 3776 8988

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

$$

19
573 
WWUS53 KLSX 022349
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
649 PM CDT Wed Apr 2 2025

ILC157-022359-
/O.CAN.KLSX.TO.W.0033.000000T0000Z-250403T0000Z/
Randolph IL-
649 PM CDT Wed Apr 2 2025

...TORNADO WARNING IS CANCELLED FOR NORTHEASTERN RANDOLPH COUNTY...

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 700 PM CDT for a portion of 
southwest Illinois.

&&

LAT...LON 3808 8960 3796 8960 3805 8975 3822 8960
      3822 8959 3818 8959
TIME...MOT...LOC 2345Z 214DEG 53KT 3807 8961

$$

19

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 2, 8:27 AM CDTSevere Thunderstorm WarningLSXAdams, Pike48 min
Apr 2, 9:09 AM CDTSevere Thunderstorm WarningLSXCalhoun, Greene, Pike51 min
Apr 2, 10:27 AM CDTRiver Flood WarningLSXClinton40 days
Apr 2, 3:46 PM CDTSevere Thunderstorm WarningLSXMacoupin13 min
Apr 2, 3:55 PM CDTTornado WarningLSXMonroe, Saint Clair50 min
Apr 2, 4:30 PM CDTSevere Thunderstorm WarningLSXMonroe, Randolph30 min
Apr 2, 4:38 PM CDTSevere Thunderstorm WarningLSXBond, Clinton, Madison, Saint Clair52 min
Apr 2, 5:00 PM CDTSevere Thunderstorm WarningLSXRandolph, Saint Clair, Washington36 min
Apr 2, 5:11 PM CDTSevere Thunderstorm WarningLSXBond, Fayette, Montgomery64 min
Apr 2, 5:16 PM CDTTornado Warning Tornado observedLSXBond, Fayette, Montgomery44 min
Apr 2, 5:25 PM CDTSevere Thunderstorm WarningLSXClinton, Fayette, Marion, Washington50 min
Apr 2, 5:28 PM CDTTornado WarningLSXClinton, Marion, Washington47 min
Apr 2, 5:38 PM CDTTornado WarningLSXFayette34 min
Apr 2, 5:56 PM CDTTornado WarningLSXFayette10 min
Apr 2, 6:15 PM CDTTornado WarningLSXMarion15 min
Apr 2, 6:28 PM CDTTornado WarningLSXWashington15 min
Apr 2, 6:48 PM CDTTornado WarningLSXMarion24 min

Nearby

Tornado Warnings in Illinois, 2025Every tornado warning in 2025Tornadoes in 2025

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.