Alert archive / Illinois / Tornado Warnings in 2025

Tornado Warning 55, NWS St. Louis, MO

April 29, 2025Randolph County, Illinois; Sainte Genevieve County, Missouri

NWS St. Louis, MO issued this tornado warning at Apr 29, 2025, 1:05 PM CDT for Randolph County, Illinois; Sainte Genevieve County, Missouri. It was in force for 33 min. 1 report 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 29, 2025, 1:05 PM CDT (18:05 UTC)
Expired: Apr 29, 2025, 1:38 PM CDT
In force: 33 min
Issued by: NWS St. Louis, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

Counties Randolph County, IL, Sainte Genevieve County, MO

The radar

The St Louis radar (KLSX), 101 km from the middle of the area, began a volume at 18:04 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 29, 1:06 PM CDT	TSTM WND DMG	2 N Weingarten, MO	Tree down over road at State Route O and Highway 32. Time estimated from radar.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 29, 8:56 AM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 6.1 hours before the alert went out and 271 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: 93 J/kg
Mixed-layer CIN: -170 J/kg
Mixed-layer LCL: 1540 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 135 m²/s²
0-3 km storm-relative helicity: 130 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.1

Open this sounding in Storm Lab

The text

As transmitted.

381 
WFUS53 KLSX 291805
TORLSX
ILC157-MOC186-291845-
/O.NEW.KLSX.TO.W.0055.250429T1805Z-250429T1845Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
105 PM CDT Tue Apr 29 2025

The National Weather Service in St Louis has issued a

* Tornado Warning for...
  Central Randolph County in southwestern Illinois...
  Central Sainte Genevieve County in southeastern Missouri...

* Until 145 PM CDT.

* At 105 PM CDT, a severe thunderstorm capable of producing a 
  tornado was located over Bloomsdale, or 9 miles northwest of Ste. 
  Genevieve, 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...
  Chester, Ste. Genevieve, Evansville, Bloomsdale, Baldwin, St. 
  Mary, Weingarten, Rocky Ridge, Preston, Prairie Du Rocher, Ellis 
  Grove, Ruma, Kaskaskia, Kellogg, Modoc, Roots, River Aux Vases and 
  Walsh.

This includes the following State Parks...
	Felix Valle House State Park.

This includes Interstate 55 in Missouri between exits 143 and 162.

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 3809 9020 3814 9004 3819 8986 3788 8980
      3791 8984 3790 8985 3790 8986 3788 8988
      3787 8990 3787 8994 3786 8995 3787 9031
      3806 9029
TIME...MOT...LOC 1805Z 256DEG 28KT 3804 9021

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

$$

Delia

3 follow-up statements

861 
WWUS53 KLSX 291811
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
111 PM CDT Tue Apr 29 2025

ILC157-MOC186-291845-
/O.CON.KLSX.TO.W.0055.000000T0000Z-250429T1845Z/
Randolph IL-Sainte Genevieve MO-
111 PM CDT Tue Apr 29 2025

...TORNADO WARNING REMAINS IN EFFECT UNTIL 145 PM CDT FOR CENTRAL 
RANDOLPH AND NORTHEASTERN SAINTE GENEVIEVE COUNTIES...

At 111 PM CDT, a severe thunderstorm capable of producing a tornado 
was located 5 miles northwest of Ste. Genevieve, moving east at 30 
mph.

HAZARD...Tornado.

SOURCE...Weather spotters reported funnel cloud southeast of
         Bloomsdale.

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...
  Chester, Ste. Genevieve, Evansville, Bloomsdale, Baldwin, St. 
  Mary, Weingarten, Preston, Prairie Du Rocher, Ellis Grove, Ruma, 
  Kaskaskia, Roots, Kellogg, Modoc, River Aux Vases and Walsh.

This includes the following State Parks...
	Felix Valle House State Park.

This includes Interstate 55 in Missouri between exits 143 and 154.

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 3787 9023 3809 9020 3814 9004 3819 8986
      3788 8980 3791 8984 3790 8985 3790 8986
      3788 8988 3787 8990 3787 8994 3786 8996
TIME...MOT...LOC 1805Z 255DEG 26KT 3800 9018

TORNADO...OBSERVED
MAX HAIL SIZE...0.00 IN

$$

Delia

941 
WWUS53 KLSX 291820
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
120 PM CDT Tue Apr 29 2025

ILC157-MOC186-291845-
/O.CON.KLSX.TO.W.0055.000000T0000Z-250429T1845Z/
Randolph IL-Sainte Genevieve MO-
120 PM CDT Tue Apr 29 2025

...TORNADO WARNING REMAINS IN EFFECT UNTIL 145 PM CDT FOR CENTRAL 
RANDOLPH AND EAST CENTRAL SAINTE GENEVIEVE COUNTIES...

At 120 PM CDT, severe thunderstorms capable of producing a tornado 
were located along a line from near Evansville to 6 miles south of 
Ste. Genevieve, or along a line from 6 miles south of Red Bud to 6 
miles south of Ste. Genevieve, moving east at 50 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...
  Chester, Ste. Genevieve, Evansville, Baldwin, St. Mary, Preston, 
  Prairie Du Rocher, Ellis Grove, Ruma, Kaskaskia, Roots, Modoc, 
  Kellogg, Walsh and River Aux Vases.

This includes the following State Parks...
	Felix Valle House State Park.

This includes Interstate 55 in Missouri between exits 143 and 150.

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 3812 9009 3819 8986 3788 8980 3791 8984
      3787 8990 3787 8994 3786 8996 3787 9016
      3801 9009
TIME...MOT...LOC 1811Z 260DEG 42KT 3811 9011 3799 9012 3787 9020

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

$$

Delia

036 
WWUS53 KLSX 291838
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
138 PM CDT Tue Apr 29 2025

ILC157-MOC186-291848-
/O.CAN.KLSX.TO.W.0055.000000T0000Z-250429T1845Z/
Randolph IL-Sainte Genevieve MO-
138 PM CDT Tue Apr 29 2025

...TORNADO WARNING IS CANCELLED FOR CENTRAL RANDOLPH AND EAST 
CENTRAL SAINTE GENEVIEVE COUNTIES...

The storms which prompted the warning have moved out of the area. 
Therefore, the warning has been cancelled. A Severe Thunderstorm 
Warning still remains in effect for eastern Randolph County.

A Severe Thunderstorm Watch remains in effect until 300 PM CDT for 
portions of southwest Illinois and southeast Missouri.

&&

LAT...LON 3812 9009 3819 8986 3788 8980 3791 8984
      3787 8990 3787 8994 3786 8996 3787 9016
      3801 9009
TIME...MOT...LOC 1820Z 260DEG 42KT 3813 8998 3801 8999 3788 9007

$$

Delia

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 29, 7:08 AM CDT	Severe Thunderstorm Warning	LSX	Monroe, Randolph, Saint Clair, Washington	42 min
Apr 29, 7:34 AM CDT	Severe Thunderstorm Warning	LSX	Clinton, Marion, Washington	29 min
Apr 29, 1:27 PM CDT	Severe Thunderstorm Warning	LSX	Randolph	23 min
Apr 29, 1:50 PM CDT	Flash Flood Warning	LSX	Washington	3 hr
Apr 29, 1:57 PM CDT	Flash Flood Warning	LSX	Clinton, Marion	3 hr
Apr 29, 2:04 PM CDT	Severe Thunderstorm Warning	LSX	Clinton, Marion, Washington	31 min
Apr 29, 12:06 PM CDT	Severe Thunderstorm Warning	LSX	Crawford, Iron, Reynolds, Saint Francois, Washington	39 min
Apr 29, 12:23 PM CDT	Tornado Warning	LSX	Washington	22 min
Apr 29, 12:50 PM CDT	Severe Thunderstorm Warning	LSX	Madison, Sainte Genevieve, Saint Francois	16 min
Apr 29, 1:00 PM CDT	Areal Flood Advisory	LSX	Jefferson, Saint Francois, Washington	3 hr
Apr 29, 1:17 PM CDT	Areal Flood Advisory	LSX	Madison	3 hr

Nearby

Tornado Warnings in Illinois, 2025 Tornado Warnings in Missouri, 2025 Every tornado warning in 2025 Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.