Alert archive / Illinois / Tornado Warnings in 2025

Tornado Warning 90, NWS St. Louis, MO

July 20, 2025Macoupin County, Montgomery County, Illinois

NWS St. Louis, MO issued this tornado warning at Jul 20, 2025, 6:23 PM CDT for Macoupin County, Montgomery County, Illinois. It was in force for 25 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
Jul 20, 2025, 6:23 PM CDT (23:23 UTC)
Expired
Jul 20, 2025, 6:48 PM CDT
In force
25 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Macoupin County, IL, Montgomery County, IL

The radar

The Lincoln radar (KILX), 86 km from the middle of the area, began a volume at 23:26 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, 11.4 hours before the alert went out and 121 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 2025-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1688 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 12:00Z on 2025-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 square meters per square second.193958Sfc1 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
1688 J/kg
Mixed-layer CIN
-47 J/kg
Mixed-layer LCL
772 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
119 m²/s²
Significant tornado parameter
0.7
Supercell composite
4.5

Open this sounding in Storm Lab

The text

As transmitted.

589 
WFUS53 KLSX 202323
TORLSX
ILC117-135-210015-
/O.NEW.KLSX.TO.W.0090.250720T2323Z-250721T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
623 PM CDT Sun Jul 20 2025

The National Weather Service in St Louis has issued a

* Tornado Warning for...
  Northwestern Montgomery County in south central Illinois...
  Northeastern Macoupin County in southwestern Illinois...

* Until 715 PM CDT.

* At 623 PM CDT, a severe thunderstorm capable of producing a 
  tornado was located over Farmersville, or 8 miles southeast of 
  Virden, moving east at 20 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...
  Farmersville around 625 PM CDT.

Other locations impacted by the tornado include Waggoner and Harvel.

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 3941 8976 3950 8972 3947 8953 3935 8953
      3933 8955
TIME...MOT...LOC 2322Z 285DEG 15KT 3943 8967

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

$$

Jaja
3 follow-up statements
594 
WWUS53 KLSX 202330
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
630 PM CDT Sun Jul 20 2025

ILC117-202340-
/O.CAN.KLSX.TO.W.0090.000000T0000Z-250721T0015Z/
Macoupin IL-
630 PM CDT Sun Jul 20 2025

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

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

&&

LAT...LON 3946 8970 3947 8953 3935 8953 3933 8955
      3939 8970
TIME...MOT...LOC 2323Z 285DEG 15KT 3942 8966

$$


ILC135-210015-
/O.CON.KLSX.TO.W.0090.000000T0000Z-250721T0015Z/
Montgomery IL-
630 PM CDT Sun Jul 20 2025

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

At 630 PM CDT, a severe thunderstorm capable of producing a tornado 
was located over Farmersville, or 10 miles southeast of Virden, 
moving east at 20 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...
  Farmersville around 630 PM CDT.

Other locations impacted by the tornado include Waggoner and Harvel.

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 3946 8970 3947 8953 3935 8953 3933 8955
      3939 8970
TIME...MOT...LOC 2323Z 285DEG 15KT 3942 8966

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

$$

Jaja
188 
WWUS53 KLSX 202340
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
640 PM CDT Sun Jul 20 2025

ILC135-210015-
/O.CON.KLSX.TO.W.0090.000000T0000Z-250721T0015Z/
Montgomery IL-
640 PM CDT Sun Jul 20 2025

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

At 640 PM CDT, a severe thunderstorm capable of producing a tornado 
was located 6 miles north of Raymond, or 13 miles southeast of 
Virden, moving east at 20 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 Harvel.

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 3943 8962 3943 8953 3935 8953 3933 8955
      3937 8964 3940 8964
TIME...MOT...LOC 2330Z 285DEG 15KT 3942 8962

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

$$

Jaja
856 
WWUS53 KLSX 202348
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
648 PM CDT Sun Jul 20 2025

ILC135-202358-
/O.CAN.KLSX.TO.W.0090.000000T0000Z-250721T0015Z/
Montgomery IL-
648 PM CDT Sun Jul 20 2025

...TORNADO WARNING IS CANCELLED FOR NORTHWESTERN MONTGOMERY COUNTY 
IN SOUTH CENTRAL ILLINOIS...

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

&&

LAT...LON 3943 8962 3943 8953 3935 8953 3933 8955
      3937 8964 3940 8964
TIME...MOT...LOC 2340Z 285DEG 15KT 3940 8956

$$

Jaja

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 20, 1:44 AM CDTFlood WatchLSXAdams, Bond, Brown, Calhoun, Clinton, Fayette and 9 more33 hr

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.