Alert archive / Illinois / Tornado Warnings in 2025

Tornado Warning 93, NWS St. Louis, MO

December 18, 2025Calhoun County, Illinois; Lincoln County, Missouri

NWS St. Louis, MO issued this tornado warning at Dec 18, 2025, 10:12 AM CST for Calhoun County, Illinois; Lincoln County, Missouri. It was in force for 48 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
Dec 18, 2025, 10:12 AM CST (16:12 UTC)
Expired
Dec 18, 2025, 11:00 AM CST
In force
48 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Calhoun County, IL, Lincoln County, MO

The radar

The St Louis radar (KLSX), 42 km from the middle of the area, began a volume at 16:16 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.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 4.2 hours before the alert went out and 217 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 2025-12-18Temperature 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 2025-12-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 538 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
483 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
538 m²/s²
0-3 km storm-relative helicity
551 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

242 
WFUS53 KLSX 181612
TORLSX
ILC013-MOC113-181700-
/O.NEW.KLSX.TO.W.0093.251218T1612Z-251218T1700Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
1012 AM CST Thu Dec 18 2025

The National Weather Service in St Louis has issued a

* Tornado Warning for...
  Central Calhoun County in southwestern Illinois...
  Central Lincoln County in east central Missouri...

* Until 1100 AM CST.

* At 1012 AM CST, a severe thunderstorm capable of producing a
  tornado was located near Hawk Point, or 7 miles northwest of Troy,
  moving east at 35 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...
  Davis around 1020 AM CST. Troy around 1025 AM CST.

Other locations impacted by the tornado include Cave, Silex, New
Hope, Foley, Batchtown, Meppen, Beechville and Brussels.

This includes the following State Parks...
Cuivre River State Park.

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 3898 9114 3914 9114 3924 9060 3920 9059
      3917 9061 3914 9061 3906 9058 3905 9059
      3903 9057 3900 9057 3895 9053
TIME...MOT...LOC 1612Z 269DEG 29KT 3902 9110

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

$$

Jaja
4 follow-up statements
143 
WWUS53 KLSX 181618
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
1018 AM CST Thu Dec 18 2025

ILC013-MOC113-181700-
/O.CON.KLSX.TO.W.0093.000000T0000Z-251218T1700Z/
Calhoun IL-Lincoln MO-
1018 AM CST Thu Dec 18 2025

...TORNADO WARNING REMAINS IN EFFECT UNTIL 11 AM CST FOR CENTRAL
CALHOUN AND NORTHEASTERN LINCOLN COUNTIES...

At 1018 AM CST, a severe thunderstorm capable of producing a tornado
was located over Davis, or near Troy, moving east at 35 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...
  Davis around 1020 AM CST. Troy around 1025 AM CST.

Other locations impacted by the tornado include Cave, New Hope,
Foley, Batchtown, Meppen, Beechville and Brussels.

This includes the following State Parks...
Cuivre River State Park.

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 3898 9106 3916 9102 3924 9060 3920 9059
      3917 9061 3914 9061 3906 9058 3905 9059
      3903 9057 3900 9057 3895 9053
TIME...MOT...LOC 1612Z 269DEG 29KT 3902 9109

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

$$

Jaja
789 
WWUS53 KLSX 181626
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
1026 AM CST Thu Dec 18 2025

ILC013-MOC113-181700-
/O.CON.KLSX.TO.W.0093.000000T0000Z-251218T1700Z/
Calhoun IL-Lincoln MO-
1026 AM CST Thu Dec 18 2025

...TORNADO WARNING REMAINS IN EFFECT UNTIL 11 AM CST FOR CENTRAL
CALHOUN AND NORTHEASTERN LINCOLN COUNTIES...

At 1026 AM CST, a severe thunderstorm capable of producing a tornado
was located near Troy, moving east at 35 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...
  Fountain N' Lakes around 1035 AM CST. Winfield around 1045 AM CST.

Other locations impacted by the tornado include New Hope, Foley,
Batchtown, Meppen, Beechville and Brussels.

This includes the following State Parks...
Cuivre River State Park.

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 3897 9095 3918 9092 3924 9060 3920 9059
      3917 9061 3914 9061 3906 9058 3905 9059
      3903 9057 3900 9057 3895 9053
TIME...MOT...LOC 1618Z 269DEG 29KT 3903 9103

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

$$

Jaja
863 
WWUS53 KLSX 181653
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
1053 AM CST Thu Dec 18 2025

MOC113-181703-
/O.CAN.KLSX.TO.W.0093.000000T0000Z-251218T1700Z/
Lincoln MO-
1053 AM CST Thu Dec 18 2025

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

The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled. However, gusty winds are
still possible with this thunderstorm.

&&

LAT...LON 3903 9063 3905 9059 3904 9058 3903 9058
      3903 9057 3901 9058 3899 9057 3895 9053
      3896 9064
TIME...MOT...LOC 1626Z 269DEG 29KT 3903 9094

$$


ILC013-181700-
/O.CON.KLSX.TO.W.0093.000000T0000Z-251218T1700Z/
Calhoun IL-
1053 AM CST Thu Dec 18 2025

...TORNADO WARNING REMAINS IN EFFECT UNTIL 11 AM CST FOR SOUTHEASTERN
CALHOUN COUNTY...

At 1053 AM CST, a severe thunderstorm capable of producing a tornado
was located near Winfield, or 12 miles southeast of Elsberry, moving
east at 35 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 tornadic storm will remain over mainly rural areas of
Southeastern Calhoun County.

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 3903 9063 3905 9059 3904 9058 3903 9058
      3903 9057 3901 9058 3899 9057 3895 9053
      3896 9064
TIME...MOT...LOC 1626Z 269DEG 29KT 3903 9094

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

$$

Jaja
202 
WWUS53 KLSX 181703
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
1103 AM CST Thu Dec 18 2025

ILC013-181713-
/O.EXP.KLSX.TO.W.0093.000000T0000Z-251218T1700Z/
Calhoun IL-
1103 AM CST Thu Dec 18 2025

...TORNADO WARNING HAS EXPIRED FOR SOUTHEASTERN CALHOUN COUNTY...

The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire. However, gusty
winds are still possible with this thunderstorm.

&&

LAT...LON 3903 9063 3905 9059 3904 9058 3903 9058
      3903 9057 3901 9058 3899 9057 3895 9053
      3896 9064
TIME...MOT...LOC 1653Z 269DEG 29KT 3903 9066

$$

Jaja

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 18, 1:56 AM CSTWind AdvisoryLSXAdams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more22 hr
Dec 18, 10:10 AM CSTSevere Thunderstorm WarningLSXCalhoun, Pike35 min
Dec 18, 10:35 AM CSTSevere Thunderstorm WarningLSXGreene, Jersey55 min
Dec 18, 11:13 AM CSTSevere Thunderstorm WarningLSXMacoupin62 min
Dec 18, 11:59 AM CSTSevere Thunderstorm WarningLSXMadison, Saint Clair46 min
Dec 18, 10:00 AM CSTSevere Thunderstorm WarningLSXLincoln, Montgomery13 min
Dec 18, 10:16 AM CSTSevere Thunderstorm WarningLSXLincoln, Saint Charles, Warren29 min

Nearby

Tornado Warnings in Illinois, 2025Tornado Warnings in Missouri, 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.