Alert archive / Illinois / Tornado Warnings in 2025

Tornado Warning 39, NWS Lincoln, IL

April 20, 2025Tazewell County, Woodford County, Illinois

NWS Lincoln, IL issued this tornado warning at Apr 20, 2025, 8:59 PM CDT for Tazewell County, Woodford County, Illinois. It was in force for 17 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 20, 2025, 8:59 PM CDT (01:59 UTC)
Expired
Apr 20, 2025, 9:16 PM CDT
In force
17 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Tazewell County, IL, Woodford County, IL

The radar

The Lincoln radar (KILX), 57 km from the middle of the area, began a volume at 02:02 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 20, 3:41 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 2.0 hours before the alert went out and 84 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 2025-04-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 182 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2025-04-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 377 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
182 J/kg
Mixed-layer CIN
-136 J/kg
Mixed-layer LCL
1336 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
377 m²/s²
0-3 km storm-relative helicity
580 m²/s²
Significant tornado parameter
0.1
Supercell composite
4.9

Open this sounding in Storm Lab

The text

As transmitted.

011 
WFUS53 KILX 210159
TORILX
ILC179-203-210230-
/O.NEW.KILX.TO.W.0039.250421T0159Z-250421T0230Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lincoln IL
859 PM CDT Sun Apr 20 2025

The National Weather Service in Lincoln has issued a

* Tornado Warning for...
  Central Woodford County in central Illinois...
  Northeastern Tazewell County in central Illinois...

* Until 930 PM CDT.

* At 859 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Morton, moving northeast at 50 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 dangerous storm will be near...
  Deer Creek and Eureka around 905 PM CDT.
  Roanoke around 915 PM CDT.

This includes Interstate 74 between mile markers 105 and 109.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid 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 4055 8941 4057 8945 4087 8925 4079 8909
TIME...MOT...LOC 0159Z 217DEG 42KT 4059 8940 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

25
2 follow-up statements
694 
WWUS53 KILX 210210
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
910 PM CDT Sun Apr 20 2025

ILC179-210220-
/O.CAN.KILX.TO.W.0039.000000T0000Z-250421T0230Z/
Tazewell-
910 PM CDT Sun Apr 20 2025

...THE TORNADO WARNING FOR NORTHEASTERN TAZEWELL COUNTY IS
CANCELLED...

The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 1100 PM CDT for central
Illinois.

&&

LAT...LON 4079 8909 4067 8930 4069 8933 4071 8933
      4087 8925
TIME...MOT...LOC 0210Z 216DEG 45KT 4072 8928 

$$

ILC203-210230-
/O.CON.KILX.TO.W.0039.000000T0000Z-250421T0230Z/
Woodford-
910 PM CDT Sun Apr 20 2025

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM CDT FOR CENTRAL
WOODFORD COUNTY...

At 910 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Eureka, moving northeast at 50 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 dangerous storm will be near...
  Roanoke around 915 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid 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 4079 8909 4067 8930 4069 8933 4071 8933
      4087 8925
TIME...MOT...LOC 0210Z 216DEG 45KT 4072 8928 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

25
672 
WWUS53 KILX 210216
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
916 PM CDT Sun Apr 20 2025

ILC203-210226-
/O.CAN.KILX.TO.W.0039.000000T0000Z-250421T0230Z/
Woodford-
916 PM CDT Sun Apr 20 2025

...THE TORNADO WARNING FOR CENTRAL WOODFORD COUNTY IS CANCELLED...

The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 1100 PM CDT for central
Illinois.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Lincoln.

&&

LAT...LON 4079 8909 4067 8930 4069 8933 4071 8933
      4087 8925
TIME...MOT...LOC 0212Z 217DEG 42KT 4078 8922 

$$

25

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 20, 7:22 PM CDTTornado WarningILXSchuyler23 min
Apr 20, 7:29 PM CDTSevere Thunderstorm Warning Considerable damage threatILXCass, Christian, Fulton, Mason, Menard, Sangamon and 2 more7 min
Apr 20, 7:33 PM CDTSevere Thunderstorm Warning Considerable damage threatILXCass, Fulton, Mason, Menard, Morgan, Sangamon and 2 more27 min
Apr 20, 7:56 PM CDTSevere Thunderstorm Warning Considerable damage threatILXCass, Fulton, Mason, Menard, Morgan, Sangamon and 1 more34 min
Apr 20, 7:59 PM CDTSevere Thunderstorm WarningILXFulton, Knox, Mason, Schuyler31 min
Apr 20, 8:25 PM CDTSevere Thunderstorm WarningILXChristian, Logan, Mason, Menard, Peoria, Sangamon and 1 more35 min
Apr 20, 8:28 PM CDTSevere Thunderstorm WarningILXFulton, Knox, Marshall, Peoria, Stark, Tazewell and 1 more32 min
Apr 20, 8:36 PM CDTTornado WarningILXTazewell24 min
Apr 20, 8:56 PM CDTSevere Thunderstorm WarningILXMcLean, Marshall, Peoria, Stark, Tazewell, Woodford15 min
Apr 20, 11:07 PM CDTSpecial Weather StatementILXLawrence, Richland38 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.