Alert archive / Missouri / Tornado Warnings in 2025

Tornado Warning 86, NWS St. Louis, MO

June 4, 2025Saint Charles County, Saint Louis County, Missouri

NWS St. Louis, MO issued this tornado warning at Jun 4, 2025, 3:13 PM CDT for Saint Charles County, Saint Louis County, Missouri. It was in force for 38 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
Jun 4, 2025, 3:13 PM CDT (20:13 UTC)
Expired
Jun 4, 2025, 3:51 PM CDT
In force
38 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Saint Charles County, MO, Saint Louis County, MO

The radar

The St Louis radar (KLSX), 33 km from the middle of the area, began a volume at 20:14 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, 8.2 hours before the alert went out and 208 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 2025-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 12 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 2025-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
12 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
550 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
38 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

409 
WFUS53 KLSX 042013
TORLSX
MOC183-189-042100-
/O.NEW.KLSX.TO.W.0086.250604T2013Z-250604T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
313 PM CDT Wed Jun 4 2025

The National Weather Service in St Louis has issued a

* Tornado Warning for...
  Northeastern Saint Charles County in east central Missouri...
  North Central Saint Louis County in east central Missouri...

* Until 400 PM CDT.

* At 313 PM CDT, a severe thunderstorm capable of producing a 
  tornado was located over St. Charles, moving northeast 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.

* Locations impacted include...
  St. Charles, St. Peters, Florissant, Alton, Maryland Heights, 
  Hazelwood, Godfrey, Bridgeton, West Alton, Portage Des Sioux and 
  Orchard Farms.

This includes the following State Parks...
	First Missouri State Capitol Historic Site.

This includes Interstate 70 in Missouri between exits 225 and 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 3874 9052 3877 9059 3896 9041 3896 9039
      3892 9031 3892 9025 3891 9022 3889 9020
      3889 9019 3887 9016 3873 9051
TIME...MOT...LOC 2013Z 226DEG 18KT 3876 9050

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

$$

Elmore
3 follow-up statements
147 
WWUS53 KLSX 042021
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
321 PM CDT Wed Jun 4 2025

MOC183-189-042100-
/O.CON.KLSX.TO.W.0086.000000T0000Z-250604T2100Z/
Saint Charles MO-Saint Louis MO-
321 PM CDT Wed Jun 4 2025

...TORNADO WARNING REMAINS IN EFFECT UNTIL 4 PM CDT FOR NORTHEASTERN 
SAINT CHARLES AND NORTH CENTRAL SAINT LOUIS COUNTIES...

At 321 PM CDT, a severe thunderstorm capable of producing a tornado 
was located over Bridgeton, moving northeast 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.

Locations impacted include...
  St. Charles, Florissant, Alton, Maryland Heights, Hazelwood, 
  Godfrey, Bridgeton, West Alton, Portage Des Sioux and Orchard 
  Farms.

This includes the following State Parks...
	First Missouri State Capitol Historic Site.

This includes Interstate 70 in Missouri between exits 227 and 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 3876 9051 3880 9056 3896 9041 3896 9039
      3892 9031 3892 9025 3891 9023 3889 9020
      3888 9017 3887 9016 3875 9046
TIME...MOT...LOC 2013Z 226DEG 18KT 3876 9049

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

$$

Elmore
023 
WWUS53 KLSX 042033
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
333 PM CDT Wed Jun 4 2025

MOC183-189-042100-
/O.CON.KLSX.TO.W.0086.000000T0000Z-250604T2100Z/
Saint Charles MO-Saint Louis MO-
333 PM CDT Wed Jun 4 2025

...TORNADO WARNING REMAINS IN EFFECT UNTIL 4 PM CDT FOR NORTHEASTERN 
SAINT CHARLES AND NORTH CENTRAL SAINT LOUIS COUNTIES...

At 333 PM CDT, a severe thunderstorm capable of producing a tornado 
was located near Hazelwood, or near Florissant, moving northeast 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.

Locations impacted include...
  Florissant, Alton, Hazelwood, Godfrey, Bridgeton, West Alton, 
  Portage Des Sioux and Orchard Farms.

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 3881 9046 3884 9048 3896 9041 3896 9039
      3892 9031 3892 9025 3891 9023 3889 9020
      3889 9019 3888 9017 3887 9016 3877 9042
TIME...MOT...LOC 2021Z 230DEG 20KT 3879 9044

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

$$

Elmore
649 
WWUS53 KLSX 042051
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
351 PM CDT Wed Jun 4 2025

MOC183-189-042101-
/O.CAN.KLSX.TO.W.0086.000000T0000Z-250604T2100Z/
Saint Charles MO-Saint Louis MO-
351 PM CDT Wed Jun 4 2025

...TORNADO WARNING IS CANCELLED FOR NORTHEASTERN SAINT CHARLES AND 
NORTH CENTRAL SAINT LOUIS COUNTIES...

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. However, gusty winds are 
still possible with this thunderstorm.

&&

LAT...LON 3881 9046 3884 9048 3896 9041 3896 9039
      3892 9031 3892 9025 3891 9023 3889 9020
      3889 9019 3888 9017 3887 9016 3877 9042
TIME...MOT...LOC 2033Z 230DEG 20KT 3884 9037

$$

Elmore

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 3, 7:12 PM CDTSevere Thunderstorm WarningLSXCallaway, Montgomery, Warren48 min
Jun 3, 8:35 PM CDTAreal Flood AdvisoryLSXBoone, Cole, Moniteau4 hr
Jun 3, 9:02 PM CDTSevere Thunderstorm WarningLSXCole, Moniteau43 min
Jun 3, 9:24 PM CDTSevere Thunderstorm WarningLSXBoone, Callaway, Cole, Osage51 min
Jun 3, 9:32 PM CDTAreal Flood AdvisoryLSXAudrain, Callaway, Lincoln, Montgomery, Pike, Ralls and 1 more3 hr
Jun 3, 10:03 PM CDTFlash Flood WarningLSXBoone117 min
Jun 3, 10:29 PM CDTRiver Flood WarningLSXBoone8 hr
Jun 4, 12:14 AM CDTAreal Flood AdvisoryLSXBoone6 hr
Jun 4, 9:42 AM CDTRiver Flood WarningLSXLincoln29 hr
Jun 4, 1:59 PM CDTRiver Flood WarningLSXCole38 hr
Jun 4, 2:47 PM CDTAreal Flood AdvisoryLSXSaint Charles, Saint Louis11 min
Jun 4, 2:50 PM CDTTornado WarningLSXSaint Charles, Saint Louis, City of Saint Louis40 min
Jun 4, 2:58 PM CDTFlash Flood WarningLSXSaint Charles, Saint Louis92 min
Jun 4, 3:22 PM CDTAreal Flood AdvisoryLSXFranklin, Jefferson, Saint Louis113 min
Jun 4, 3:53 PM CDTAreal Flood AdvisoryLSXSaint Louis, City of Saint Louis97 min
Jun 4, 4:12 PM CDTFlash Flood WarningLSXCrawford, Washington2 hr
Jun 4, 5:46 PM CDTAreal Flood AdvisoryLSXSaint Louis, City of Saint Louis3 hr
Jun 4, 6:15 PM CDTAreal Flood AdvisoryLSXFranklin, Jefferson3 hr
Jun 4, 6:19 PM CDTAreal Flood AdvisoryLSXCrawford, Washington2 hr

Nearby

Tornado 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.