Alert archive / Missouri / Tornado Warnings in 2026

Tornado Warning 33, NWS St. Louis, MO

April 27, 2026Madison County, Saint Clair County, Illinois; Saint Charles County, Saint Louis County, City of Saint Louis, Missouri

NWS St. Louis, MO issued this tornado warning at Apr 27, 2026, 12:27 PM CDT for Madison County, Saint Clair County, Illinois; Saint Charles County, Saint Louis County, City of Saint Louis, Missouri. It was in force for 48 min. 2 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: Apr 27, 2026, 12:27 PM CDT (17:27 UTC)
Expired: Apr 27, 2026, 1:15 PM CDT
In force: 48 min
Issued by: NWS St. Louis, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Madison County, IL, Saint Clair County, IL, City of Saint Louis, MO, Saint Charles County, MO, Saint Louis County, MO

The radar

The St Louis radar (KLSX), 30 km from the middle of the area, began a volume at 17:27 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

Time	Report	Where	Remark
Apr 27, 12:29 PM CDT	TSTM WND DMG	1 Wnw Creve Coeur, MO	Multiple trees uprooted.
Apr 27, 12:35 PM CDT	HAIL 0.88	1 Nw Florissant, MO	Pea to nickel sized hail lasted about 5 minutes.

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

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 5.5 hours before the alert went out and 220 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1053 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 104 m²/s²
0-3 km storm-relative helicity: 306 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

111 
WFUS53 KLSX 271727
TORLSX
ILC119-163-MOC183-189-510-271815-
/O.NEW.KLSX.TO.W.0033.260427T1727Z-260427T1815Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
1227 PM CDT Mon Apr 27 2026

The National Weather Service in St Louis has issued a

* Tornado Warning for...
  Western Madison County in southwestern Illinois...
  Northern Saint Clair County in southwestern Illinois...
  East Central Saint Charles County in east central Missouri...
  Saint Louis County in east central Missouri...
  Saint Louis City in east central Missouri...

* Until 115 PM CDT.

* At 1227 PM CDT, a severe thunderstorm capable of producing a
  tornado was located over Maryland Heights, moving east at 40 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.

* This tornado will be near...
  Maryland Heights, Bridgeton, Champ, Creve Coeur, Olivette,
  Chesterfield, Ladue, Town and Country, St. Charles and Westwood
  around 1230 PM CDT.
  Woodson Terrace, Edmundson, Breckenridge Hills, St. Ann, St. John,
  Lambert-St. Louis International Airport, Overland, Charlack,
  Sycamore Hills and Vinita Park around 1235 PM CDT.
  Ferguson, Cool Valley, Normandy, Kinloch, Berkeley, Dellwood,
  Bellerive, Norwood Court, Bel-Ridge and Calverton Park around 1240
  PM CDT.

Other locations impacted by the tornado include Mitchell and Poag.

This includes the following State Parks...
Scott Joplin Historic Site, Castlewood State Park, Confluence State
Park, First Missouri State Capitol Historic Site and Horseshoe Lake
State Park.

This includes the following highways...
Interstate 64 in Illinois between exits 9 and 23. Interstate 55 in
Illinois near exit 23. Interstate 70 in Missouri between exits 225
and 231. Interstate 44 in Missouri between exits 272 and 277.

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 3868 9056 3881 9059 3895 8995 3854 8978
      3852 9056
TIME...MOT...LOC 1726Z 258DEG 35KT 3871 9048

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

$$

BSH

6 follow-up statements

900 
WWUS53 KLSX 271732
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
1232 PM CDT Mon Apr 27 2026

ILC119-163-MOC183-189-510-271815-
/O.CON.KLSX.TO.W.0033.000000T0000Z-260427T1815Z/
Madison IL-Saint Clair IL-Saint Charles MO-Saint Louis MO-Saint
Louis City MO-
1232 PM CDT Mon Apr 27 2026

...TORNADO WARNING REMAINS IN EFFECT UNTIL 115 PM CDT FOR WESTERN
MADISON AND NORTHERN SAINT CLAIR COUNTIES IN SOUTHWESTERN ILLINOIS,
EAST CENTRAL SAINT CHARLES AND NORTHEASTERN SAINT LOUIS COUNTIES IN
EAST CENTRAL MISSOURI AND THE SAINT LOUIS CITY IN EAST CENTRAL
MISSOURI...

At 1232 PM CDT, a severe thunderstorm capable of producing a tornado
was located over St. Ann, or over Overland, moving east at 40 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.

This tornado will be near...
  Overland, St. Ann, Breckenridge Hills, Olivette, Creve Coeur,
  Maryland Heights, Bridgeton, Edmundson, Ladue and Clayton around
  1235 PM CDT.
  Bel-Ridge, Bel-Nor, St. John, Bellerive, Charlack, Greendale,
  Vinita Park, Normandy, Hanley Hills and Sycamore Hills around 1240
  PM CDT.

Other locations impacted by the tornado include Mitchell and Poag.

This includes the following State Parks...
Scott Joplin Historic Site, Confluence State Park and Horseshoe Lake
State Park.

This includes the following highways...
Interstate 64 in Illinois between exits 9 and 23. Interstate 55 in
Illinois near exit 23. Interstate 70 in Missouri near exit 231.

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 3870 9050 3880 9047 3895 8995 3854 8978
      3853 9027 3862 9047
TIME...MOT...LOC 1727Z 262DEG 33KT 3869 9048

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

$$

BSH

761 
WWUS53 KLSX 271739
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
1239 PM CDT Mon Apr 27 2026

ILC119-163-MOC183-189-510-271815-
/O.CON.KLSX.TO.W.0033.000000T0000Z-260427T1815Z/
Madison IL-Saint Clair IL-Saint Charles MO-Saint Louis MO-Saint
Louis City MO-
1239 PM CDT Mon Apr 27 2026

...TORNADO WARNING REMAINS IN EFFECT UNTIL 115 PM CDT FOR WESTERN
MADISON AND NORTHERN SAINT CLAIR COUNTIES IN SOUTHWESTERN ILLINOIS,
EAST CENTRAL SAINT CHARLES AND NORTHEASTERN SAINT LOUIS COUNTIES IN
EAST CENTRAL MISSOURI AND THE SAINT LOUIS CITY IN EAST CENTRAL
MISSOURI...

At 1239 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Vinita Park, or over Overland, 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.

This tornado will be near...
  Vinita Park, Vinita Terrace, Hanley Hills, University City,
  Overland, Charlack, Pagedale, Bel-Nor, St. John and Sycamore Hills
  around 1240 PM CDT.
  Uplands Park, Pine Lawn, Velda Village Hills, Hillsdale, Beverly
  Hills, Northwoods, Velda City, Normandy, Wellston and Glen Echo
  Park around 1245 PM CDT.

Other locations impacted by the tornado include Sauget, Mitchell and
Poag.

This includes the following State Parks...
Scott Joplin Historic Site, Confluence State Park and Horseshoe Lake
State Park.

This includes the following highways...
Interstate 64 in Illinois between exits 9 and 23. Interstate 55 in
Illinois near exit 23.

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 3871 9043 3881 9038 3895 8995 3854 8978
      3853 9027 3865 9042
TIME...MOT...LOC 1732Z 263DEG 30KT 3868 9042

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

$$

BSH

584 
WWUS53 KLSX 271747
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
1247 PM CDT Mon Apr 27 2026

MOC183-271757-
/O.CAN.KLSX.TO.W.0033.000000T0000Z-260427T1815Z/
Saint Charles MO-
1247 PM CDT Mon Apr 27 2026

...TORNADO WARNING IS CANCELLED FOR EAST CENTRAL SAINT CHARLES
COUNTY...

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

&&

LAT...LON 3872 9035 3880 9027 3882 9019 3882 9018
      3883 9016 3883 9014 3881 9012 3884 9011
      3889 8993 3854 8978 3853 9026 3858 9031
      3866 9033
TIME...MOT...LOC 1739Z 263DEG 30KT 3869 9034

$$


ILC119-163-MOC189-510-271815-
/O.CON.KLSX.TO.W.0033.000000T0000Z-260427T1815Z/
Madison IL-Saint Clair IL-Saint Louis MO-Saint Louis City MO-
1247 PM CDT Mon Apr 27 2026

...TORNADO WARNING REMAINS IN EFFECT UNTIL 115 PM CDT FOR
SOUTHWESTERN MADISON AND NORTHERN SAINT CLAIR COUNTIES IN
SOUTHWESTERN ILLINOIS, NORTHEASTERN SAINT LOUIS COUNTY IN EAST
CENTRAL MISSOURI AND THE SAINT LOUIS CITY IN EAST CENTRAL MISSOURI...

At 1247 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Pine Lawn, or over Northwoods, 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.

This tornado will be near...
  St. Louis, Jennings, Bellefontaine Neighbors, Pine Lawn, Flordell
  Hills, Northwoods, Riverview, Moline Acres, Uplands Park and
  Hillsdale around 1250 PM CDT.
  Granite City, Madison, Venice, Brooklyn, Glasgow Village, East St.
  Louis, Spanish Lake and Cahokia around 1255 PM CDT.

Other locations impacted by the tornado include Sauget, Mitchell and
Poag.

This includes the following State Parks...
Scott Joplin Historic Site and Horseshoe Lake State Park.

This includes the following highways...
Interstate 64 in Illinois between exits 9 and 23. Interstate 55 in
Illinois near exit 23.

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 3872 9035 3880 9027 3882 9019 3882 9018
      3883 9016 3883 9014 3881 9012 3884 9011
      3889 8993 3854 8978 3853 9026 3858 9031
      3866 9033
TIME...MOT...LOC 1739Z 263DEG 30KT 3869 9034

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

$$

BSH

157 
WWUS53 KLSX 271759
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
1259 PM CDT Mon Apr 27 2026

ILC163-271809-
/O.CAN.KLSX.TO.W.0033.000000T0000Z-260427T1815Z/
Saint Clair IL-
1259 PM CDT Mon Apr 27 2026

...TORNADO WARNING IS CANCELLED FOR NORTHERN SAINT CLAIR 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 3865 9024 3881 9023 3882 9019 3882 9018
      3883 9016 3883 9014 3881 9012 3884 9011
      3889 8993 3866 8983 3866 9018 3865 9018
TIME...MOT...LOC 1747Z 263DEG 30KT 3869 9026

$$


ILC119-MOC189-510-271815-
/O.CON.KLSX.TO.W.0033.000000T0000Z-260427T1815Z/
Madison IL-Saint Louis MO-Saint Louis City MO-
1259 PM CDT Mon Apr 27 2026

...TORNADO WARNING REMAINS IN EFFECT UNTIL 115 PM CDT FOR
SOUTHWESTERN MADISON COUNTY IN SOUTHWESTERN ILLINOIS, NORTHEASTERN
SAINT LOUIS COUNTY IN EAST CENTRAL MISSOURI AND THE NORTHEASTERN
SAINT LOUIS CITY IN EAST CENTRAL MISSOURI...

At 1259 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Granite City, 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...
  Granite City, Madison, Fairmont City, Venice, Hartford, St. Louis,
  Brooklyn, Glasgow Village, Riverview and Spanish Lake around 100 PM
  CDT.
  Pontoon Beach, South Roxana and Roxana around 105 PM CDT.

Other locations impacted by the tornado include Mitchell and Poag.

This includes the following State Parks...
Horseshoe Lake State Park.

This includes Interstate 55 in Illinois near exit 23.

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 3865 9024 3881 9023 3882 9019 3882 9018
      3883 9016 3883 9014 3881 9012 3884 9011
      3889 8993 3866 8983 3866 9018 3865 9018
TIME...MOT...LOC 1747Z 261DEG 31KT 3871 9024

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

$$

Elmore

021 
WWUS53 KLSX 271804
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
104 PM CDT Mon Apr 27 2026

MOC189-510-271814-
/O.CAN.KLSX.TO.W.0033.000000T0000Z-260427T1815Z/
Saint Louis MO-Saint Louis City MO-
104 PM CDT Mon Apr 27 2026

...TORNADO WARNING IS CANCELLED FOR NORTHEASTERN SAINT LOUIS COUNTY
AND THE NORTHEASTERN SAINT LOUIS CITY...

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.

A Tornado Watch remains in effect until 900 PM CDT Monday for a
portion of east central Missouri.

&&

LAT...LON 3884 9011 3889 8993 3866 8983 3866 9018
      3868 9019 3870 9021 3873 9021 3874 9019
      3875 9018 3876 9018 3877 9017 3880 9012
      3881 9012
TIME...MOT...LOC 1759Z 261DEG 31KT 3872 9011

$$


ILC119-271815-
/O.CON.KLSX.TO.W.0033.000000T0000Z-260427T1815Z/
Madison IL-
104 PM CDT Mon Apr 27 2026

...TORNADO WARNING REMAINS IN EFFECT UNTIL 115 PM CDT FOR
SOUTHWESTERN MADISON COUNTY IN SOUTHWESTERN ILLINOIS...

At 104 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Granite City, moving east at 25 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...
  Granite City, Madison, St. Louis, Venice and Brooklyn around 105 PM
  CDT.
  Pontoon Beach, Edwardsville, Hartford, South Roxana, Glen Carbon,
  West Alton, Fairmont City, Roxana, Maryville and Collinsville
  around 110 PM CDT.

Other locations impacted by the tornado include Mitchell and Poag.

This includes the following State Parks...
Horseshoe Lake State Park.

This includes Interstate 55 in Illinois near exit 23.

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 3884 9011 3889 8993 3866 8983 3866 9018
      3868 9019 3870 9021 3873 9021 3874 9019
      3875 9018 3876 9018 3877 9017 3880 9012
      3881 9012
TIME...MOT...LOC 1759Z 257DEG 19KT 3873 9018

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

$$

Elmore

878 
WWUS53 KLSX 271813
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
113 PM CDT Mon Apr 27 2026

ILC119-271823-
/O.EXP.KLSX.TO.W.0033.000000T0000Z-260427T1815Z/
Madison IL-
113 PM CDT Mon Apr 27 2026

...TORNADO WARNING WILL EXPIRE AT 115 PM CDT FOR SOUTHWESTERN MADISON
COUNTY IN SOUTHWESTERN ILLINOIS...

The Tornado Warning that was previously in effect has been reissued
for Madison County and is in effect until 200 PM CDT. Please refer to
that bulletin for the latest severe weather information. However,
gusty winds are still possible with this thunderstorm.

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

&&

LAT...LON 3884 9011 3889 8993 3866 8983 3866 9018
      3868 9019 3870 9021 3873 9021 3874 9019
      3875 9018 3876 9018 3877 9017 3880 9012
      3881 9012
TIME...MOT...LOC 1804Z 257DEG 19KT 3873 9014

$$

Elmore

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 27, 6:32 AM CDT	Severe Thunderstorm Warning	LSX	Clinton, Washington	43 min
Apr 27, 7:03 AM CDT	Severe Thunderstorm Warning	LSX	Clinton, Marion, Washington	57 min
Apr 27, 7:59 AM CDT	Severe Thunderstorm Warning	LSX	Greene, Macoupin, Montgomery	33 min
Apr 27, 8:10 AM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Adams, Calhoun, Pike	65 min
Apr 27, 8:24 AM CDT	Tornado Warning	LSX	Calhoun, Pike	51 min
Apr 27, 8:57 AM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Greene, Pike	48 min
Apr 27, 9:03 AM CDT	Tornado Warning	LSX	Greene, Pike	42 min
Apr 27, 9:44 AM CDT	Severe Thunderstorm Warning	LSX	Greene, Macoupin	61 min
Apr 27, 10:29 AM CDT	Severe Thunderstorm Warning	LSX	Macoupin, Montgomery	61 min
Apr 27, 10:52 AM CDT	Severe Thunderstorm Warning	LSX	Macoupin, Montgomery	42 min
Apr 27, 11:18 AM CDT	Flood Watch	LSX	Bond, Calhoun, Clinton, Fayette, Greene, Jersey and 7 more	10 hr
Apr 27, 12:09 PM CDT	Areal Flood Advisory	LSX	Calhoun	3 hr
Apr 27, 1:07 PM CDT	Flash Flood Warning	LSX	Fayette, Montgomery	7 hr
Apr 27, 1:13 PM CDT	Tornado Warning	LSX	Madison	47 min
Apr 27, 1:49 PM CDT	Tornado Warning	LSX	Bond, Madison	14 min
Apr 27, 1:55 PM CDT	Severe Thunderstorm Warning	LSX	Madison, Saint Clair	45 min
Apr 27, 2:01 PM CDT	Tornado Warning	LSX	Madison, Saint Clair	27 min
Apr 27, 2:30 PM CDT	Severe Thunderstorm Warning	LSX	Bond, Clinton, Madison	27 min
Apr 27, 3:05 PM CDT	River Flood Warning	LSX	Jackson, Randolph	8 days
Apr 27, 3:13 PM CDT	River Flood Warning	LSX	Pike, Scott	9 days
Apr 27, 3:14 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Greene, Jersey, Madison	46 min
Apr 27, 3:16 PM CDT	River Flood Warning	LSX	Fayette	4 days
Apr 27, 3:19 PM CDT	Tornado Warning	LSX	Calhoun, Jersey, Madison	41 min
Apr 27, 3:46 PM CDT	Severe Thunderstorm Warning	LSX	Adams, Pike	44 min
Apr 27, 3:52 PM CDT	Severe Thunderstorm Warning	LSX	Jersey, Macoupin, Madison	38 min
Apr 27, 4:20 PM CDT	Severe Thunderstorm Warning	LSX	Adams, Brown, Pike	55 min
Apr 27, 4:34 PM CDT	Tornado Warning	LSX	Adams, Brown	29 min
Apr 27, 4:46 PM CDT	Tornado Warning	LSX	Calhoun, Pike	44 min
Apr 27, 4:52 PM CDT	Flash Flood Warning	LSX	Adams, Pike	4 hr
Apr 27, 5:20 PM CDT	Flash Flood Warning	LSX	Brown, Pike	3 hr
Apr 27, 5:21 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Greene, Pike	39 min
Apr 27, 5:27 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Greene	33 min
Apr 27, 5:32 PM CDT	Flash Flood Warning	LSX	Jersey	5 hr
Apr 27, 5:32 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Greene, Jersey, Macoupin	43 min
Apr 27, 5:47 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Greene, Jersey	58 min
Apr 27, 5:50 PM CDT	Severe Thunderstorm Warning	LSX	Greene, Jersey, Macoupin	40 min
Apr 27, 5:59 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Jersey	46 min
Apr 27, 6:01 PM CDT	Tornado Warning	LSX	Jersey, Macoupin	44 min
Apr 27, 6:09 PM CDT	Severe Thunderstorm Warning	LSX	Greene, Macoupin	21 min
Apr 27, 6:28 PM CDT	Severe Thunderstorm Warning	LSX	Bond, Calhoun, Fayette, Jersey, Macoupin, Madison and 1 more	47 min
Apr 27, 6:41 PM CDT	Tornado Warning	LSX	Calhoun, Jersey, Madison	32 min
Apr 27, 6:47 PM CDT	Flash Flood Warning	LSX	Macoupin	5 hr
Apr 26, 8:43 PM CDT	Tornado Warning	LSX	Boone, Callaway, Cole, Moniteau	30 min
Apr 26, 10:08 PM CDT	Tornado Warning	LSX	Osage	13 min
Apr 27, 1:06 AM CDT	Severe Thunderstorm Warning	LSX	Crawford	39 min
Apr 27, 2:10 AM CDT	Areal Flood Advisory	LSX	Crawford	3 hr
Apr 27, 2:44 AM CDT	Severe Thunderstorm Warning	LSX	Washington	31 min
Apr 27, 3:08 AM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Sainte Genevieve, Saint Francois, Washington	52 min
Apr 27, 3:36 AM CDT	Severe Thunderstorm Warning	LSX	Sainte Genevieve, Saint Francois	39 min
Apr 27, 3:41 AM CDT	Severe Thunderstorm Warning	LSX	Franklin, Gasconade, Warren	49 min
Apr 27, 4:02 AM CDT	Severe Thunderstorm Warning	LSX	Sainte Genevieve	24 min
Apr 27, 6:52 AM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Knox, Shelby	38 min
Apr 27, 7:35 AM CDT	Severe Thunderstorm Warning	LSX	Audrain, Boone, Monroe, Shelby	55 min
Apr 27, 7:54 AM CDT	Tornado Warning	LSX	Monroe, Ralls	51 min
Apr 27, 10:09 AM CDT	River Flood Warning	LSX	Osage	24 hr
Apr 27, 10:41 AM CDT	Flash Flood Warning	LSX	Boone, Cole, Moniteau	3 hr
Apr 27, 11:48 AM CDT	Flash Flood Warning	LSX	Audrain, Boone, Callaway, Cole, Moniteau, Montgomery and 1 more	3 hr
Apr 27, 1:25 PM CDT	Severe Thunderstorm Warning	LSX	Franklin, Saint Charles, Saint Louis	37 min
Apr 27, 1:51 PM CDT	Areal Flood Advisory	LSX	Montgomery, Warren	3 hr
Apr 27, 2:05 PM CDT	Severe Thunderstorm Warning	LSX	Lincoln, Montgomery, Pike, Warren	40 min
Apr 27, 2:13 PM CDT	Areal Flood Advisory	LSX	Saint Louis, City of Saint Louis	3 hr
Apr 27, 2:39 PM CDT	Severe Thunderstorm Warning	LSX	Lincoln, Saint Charles, Warren	51 min
Apr 27, 2:42 PM CDT	River Flood Warning	LSX	Monroe	20 hr
Apr 27, 2:49 PM CDT	Tornado Warning	LSX	Saint Charles, Warren	41 min
Apr 27, 2:54 PM CDT	River Flood Warning	LSX	Jefferson, Saint Louis	6 days
Apr 27, 2:57 PM CDT	Severe Thunderstorm Warning	LSX	Boone, Moniteau	48 min
Apr 27, 3:25 PM CDT	Severe Thunderstorm Warning	LSX	Audrain, Callaway	42 min
Apr 27, 3:37 PM CDT	Flash Flood Warning	LSX	Boone	5 hr
Apr 27, 3:39 PM CDT	River Flood Warning	LSX	Lewis	11 hr
Apr 27, 3:41 PM CDT	River Flood Warning	LSX	Lincoln	24 hr
Apr 27, 3:41 PM CDT	Tornado Warning	LSX	Audrain, Callaway	49 min
Apr 27, 3:43 PM CDT	Severe Thunderstorm Warning	LSX	Boone	62 min
Apr 27, 3:46 PM CDT	Tornado Warning	LSX	Boone	14 min
Apr 27, 3:53 PM CDT	River Flood Warning	LSX	Lincoln	4 days
Apr 27, 3:59 PM CDT	River Flood Warning	LSX	Crawford, Washington	18 hr
Apr 27, 4:00 PM CDT	Severe Thunderstorm Warning	LSX	Boone, Callaway, Moniteau	60 min
Apr 27, 4:07 PM CDT	Severe Thunderstorm Warning	LSX	Audrain, Pike, Ralls	53 min
Apr 27, 4:09 PM CDT	Tornado Warning	LSX	Audrain, Montgomery, Pike, Ralls	51 min
Apr 27, 4:13 PM CDT	Flash Flood Warning	LSX	Audrain	5 hr
Apr 27, 4:29 PM CDT	Tornado Warning	LSX	Boone, Callaway, Cole, Moniteau	46 min

Nearby

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