Alert archive / Missouri / Tornado Warnings in 2026

Tornado Warning 79, NWS St. Louis, MO

July 31, 2026Madison County, Sainte Genevieve County, Saint Francois County, Missouri

NWS St. Louis, MO issued this tornado warning at Jul 31, 2026, 9:51 PM CDT for Madison County, Sainte Genevieve County, Saint Francois County, Missouri. It was in force for 39 min. 5 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
Jul 31, 2026, 9:51 PM CDT (02:51 UTC)
Expired
Jul 31, 2026, 10:30 PM CDT
In force
39 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Madison County, MO, Saint Francois County, MO, Sainte Genevieve County, MO

The radar

The St Louis radar (KLSX), 114 km from the middle of the area, began a volume at 02:52 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

TimeReportWhereRemark
Jul 31, 9:51 PM CDTTSTM WND DMG1 Nnw Leadington, MOTree on US Highway 67 just north of St. Francois State park. Time estimated from radar.
Jul 31, 9:54 PM CDTTSTM WND DMG2 Nne Doe Run, MOTree down near entrance to St. Joe State Park, blocking entire roadway. Time estimated from radar.
Jul 31, 9:56 PM CDTTSTM WND DMGFarmington, MOTree debris on Boyce Street. Minor siding/gutter damage to home. Time estimated from radar.
Jul 31, 9:58 PM CDTTSTM WND DMG4 Nw Libertyville, MOPower lines down near Plum Creek Road and Highway OO. Time estimated from radar.
Jul 31, 10:08 PM CDTTSTM WND DMG3 E Farmington, MO14in diameter tree snapped halfway up the trunk covering Rt 32. Time estimated via radar.

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 00:00Z, 2.9 hours before the alert went out and 300 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 2026-08-01Temperature 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 00:00Z on 2026-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 98 square meters per square second.19395878Sfc1 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
821 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
98 m²/s²
0-3 km storm-relative helicity
212 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

025 
WFUS53 KLSX 010251
TORLSX
MOC123-186-187-010330-
/O.NEW.KLSX.TO.W.0079.260801T0251Z-260801T0330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
951 PM CDT Fri Jul 31 2026

The National Weather Service in St Louis has issued a

* Tornado Warning for...
  Northeastern Madison County in southeastern Missouri...
  Southern Sainte Genevieve County in southeastern Missouri...
  Southern Saint Francois County in southeastern Missouri...

* Until 1030 PM CDT.

* At 951 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Park Hills, or near Farmington, moving southeast
  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.

* Locations impacted include...
  Bonne Terre, Desloge, Park Hills, Leadington, Doe Run, Farmington,
  Knob Lick, Weingarten, Libertyville, Coffman, Mine La Motte, River
  Aux Vases, Womac, Minnith and St. Mary.

This includes the following State Parks...
St. Joe State Park, Hawn State Park and Missouri Mines Historic Site.

This includes Interstate 55 in Missouri between exits 141 and 143.

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 3767 9056 3792 9057 3791 8997 3790 8997
      3787 8994 3782 9000 3775 9005 3767 9011
      3764 9015 3760 9015 3757 9014
TIME...MOT...LOC 0251Z 298DEG 30KT 3779 9049

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

$$

Kimble
4 follow-up statements
282 
WWUS53 KLSX 010301
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
1001 PM CDT Fri Jul 31 2026

MOC123-186-187-010330-
/O.CON.KLSX.TO.W.0079.000000T0000Z-260801T0330Z/
Madison MO-Sainte Genevieve MO-Saint Francois MO-
1001 PM CDT Fri Jul 31 2026

...TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT FOR
NORTHEASTERN MADISON, SOUTHERN SAINTE GENEVIEVE AND SOUTHERN SAINT
FRANCOIS COUNTIES IN SOUTHEASTERN MISSOURI...

At 1001 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Farmington, 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.

Locations impacted include...
  Desloge, Park Hills, Doe Run, Leadington, Farmington, Knob Lick,
  Libertyville, Mine La Motte, Weingarten, Coffman, Womac, River Aux
  Vases, Minnith and St. Mary.

This includes the following State Parks...
St. Joe State Park, Hawn State Park and Missouri Mines Historic Site.

This includes Interstate 55 in Missouri between exits 141 and 143.

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 3767 9054 3789 9053 3791 8997 3790 8997
      3787 8994 3782 9000 3775 9005 3767 9011
      3764 9015 3760 9015 3758 9014 3757 9014
TIME...MOT...LOC 0251Z 279DEG 28KT 3777 9050

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

$$

Kimble
459 
WWUS53 KLSX 010311
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
1011 PM CDT Fri Jul 31 2026

MOC123-186-187-010330-
/O.CON.KLSX.TO.W.0079.000000T0000Z-260801T0330Z/
Madison MO-Sainte Genevieve MO-Saint Francois MO-
1011 PM CDT Fri Jul 31 2026

...TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT FOR
NORTHEASTERN MADISON, SOUTHERN SAINTE GENEVIEVE AND SOUTHEASTERN
SAINT FRANCOIS COUNTIES IN SOUTHEASTERN MISSOURI...

At 1011 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Womac, or 11 miles north of Fredericktown, moving
east at 45 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.

Locations impacted include...
  Farmington, Knob Lick, Mine La Motte, Libertyville, Womac, Coffman,
  River Aux Vases, Minnith and St. Mary.

This includes the following State Parks...
Hawn State Park.

This includes Interstate 55 in Missouri between exits 141 and 143.

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 3765 9045 3785 9043 3790 8997 3787 8994
      3782 9000 3775 9005 3767 9011 3764 9015
      3759 9015 3757 9014
TIME...MOT...LOC 0301Z 261DEG 38KT 3769 9036

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

$$

Kimble
520 
WWUS53 KLSX 010318
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
1018 PM CDT Fri Jul 31 2026

MOC123-186-187-010330-
/O.CON.KLSX.TO.W.0079.000000T0000Z-260801T0330Z/
Madison MO-Sainte Genevieve MO-Saint Francois MO-
1018 PM CDT Fri Jul 31 2026

...TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT FOR
NORTHEASTERN MADISON, SOUTHERN SAINTE GENEVIEVE AND SOUTHEASTERN
SAINT FRANCOIS COUNTIES IN SOUTHEASTERN MISSOURI...

At 1018 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Womac, or 11 miles northeast of Fredericktown,
moving east at 40 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.

Locations impacted include...
  Knob Lick, Libertyville, Mine La Motte, Coffman, Womac and Minnith.

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 3764 9042 3780 9037 3782 9000 3775 9005
      3767 9011 3764 9015 3759 9015 3758 9014
      3757 9014
TIME...MOT...LOC 0311Z 271DEG 34KT 3768 9025

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

$$

Kimble
709 
WWUS53 KLSX 010325
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
1025 PM CDT Fri Jul 31 2026

MOC123-186-187-010335-
/O.EXP.KLSX.TO.W.0079.000000T0000Z-260801T0330Z/
Madison MO-Sainte Genevieve MO-Saint Francois MO-
1025 PM CDT Fri Jul 31 2026

...TORNADO WARNING WILL EXPIRE AT 1030 PM CDT FOR NORTHEASTERN
MADISON, SOUTHERN SAINTE GENEVIEVE AND SOUTHEASTERN SAINT FRANCOIS
COUNTIES IN SOUTHEASTERN MISSOURI...

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

&&

LAT...LON 3764 9042 3780 9037 3782 9000 3775 9005
      3767 9011 3764 9015 3759 9015 3758 9014
      3757 9014
TIME...MOT...LOC 0318Z 271DEG 34KT 3768 9017

$$

Kimble

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 31, 7:12 PM CDTAreal Flood AdvisoryLSXCallaway, Gasconade, Montgomery, Osage2 hr
Jul 31, 8:06 PM CDTAreal Flood AdvisoryLSXCrawford, Washington44 min
Jul 31, 8:50 PM CDTFlash Flood WarningLSXCrawford, Washington3 hr
Jul 31, 8:56 PM CDTAreal Flood AdvisoryLSXCrawford, Washington3 hr
Jul 31, 9:15 PM CDTTornado WarningLSXSaint Francois, Washington45 min
Jul 31, 9:29 PM CDTRiver Flood WarningLSXCrawford8 hr
Jul 31, 10:36 PM CDTSevere Thunderstorm WarningLSXReynolds39 min

Nearby

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