Alert archive / Missouri / Tornado Warnings in 2025
Tornado Warning 49, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Apr 20, 2025, 7:56 PM CDT for Sainte Genevieve County, Missouri; Randolph County, Illinois. It was in force for 49 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 20, 2025, 7:56 PM CDT (00:56 UTC)
- Expired
- Apr 20, 2025, 8:45 PM CDT
- In force
- 49 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
The radar
The St Louis radar (KLSX), 98 km from the middle of the area, began a volume at 00:54 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 20, 8:25 PM CDT | TORNADO | 2 Ne Preston, IL | An NWS survey team found EF1 tornado damage south of Baldwin IL. This brief tornado was on the ground for 1 minute between 8:25pm and 8:26pm and had a path length of 1.32 miles. |
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 20, 3:41 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 0.9 hours before the alert went out and 268 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.
- Mixed-layer CAPE
- 182 J/kg
- Mixed-layer CIN
- -136 J/kg
- Mixed-layer LCL
- 1336 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 377 m²/s²
- 0-3 km storm-relative helicity
- 580 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 4.9
The text
As transmitted.
056
WFUS53 KLSX 210056
TORLSX
ILC157-MOC186-210145-
/O.NEW.KLSX.TO.W.0049.250421T0056Z-250421T0145Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
756 PM CDT Sun Apr 20 2025
The National Weather Service in St Louis has issued a
* Tornado Warning for...
Randolph County in southwestern Illinois...
Sainte Genevieve County in southeastern Missouri...
* Until 845 PM CDT.
* At 756 PM CDT, severe thunderstorms capable of producing a tornado
were located along a line from over Rocky Ridge to over Coffman,
or along a line from 13 miles east of Desloge to 11 miles east of
Farmington, moving northeast at 60 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, Sparta, Red Bud, Bremen, Steeleville,
Evansville, Bloomsdale, Baldwin, St. Mary, Weingarten, Rocky
Ridge, Coffman, Preston, Blair, Prairie Du Rocher, Prairie, Ellis
Grove, Ruma and Houston.
This includes the following State Parks...
Hawn State Park and Felix Valle House State Park.
This includes Interstate 55 in Missouri between exits 141 and 157.
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.
Tornadoes are difficult to observe at night. Take cover now!
&&
LAT...LON 3810 9015 3814 9004 3821 9004 3822 9002
3822 8979 3817 8974 3798 8965 3790 8984
3791 8984 3788 8988 3787 8994 3784 8998
3772 9026 3784 9030 3790 9035
TIME...MOT...LOC 0056Z 232DEG 51KT 3795 9030 3787 9023 3777 9023
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<1.00 IN
$$
Elmore5 follow-up statements
356
WWUS53 KLSX 210108
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
808 PM CDT Sun Apr 20 2025
ILC157-MOC186-210145-
/O.CON.KLSX.TO.W.0049.000000T0000Z-250421T0145Z/
Randolph IL-Sainte Genevieve MO-
808 PM CDT Sun Apr 20 2025
...TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR RANDOLPH
AND NORTHEASTERN SAINTE GENEVIEVE COUNTIES...
At 808 PM CDT, severe thunderstorms capable of producing a tornado
were located along a line from 7 miles northwest of Ste. Genevieve
to 7 miles south of Ste. Genevieve, moving northeast at 60 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows and vehicles will occur. Tree
damage is likely.
Locations impacted include...
Chester, Ste. Genevieve, Sparta, Red Bud, Bremen, Steeleville,
Evansville, Baldwin, St. Mary, Preston, Blair, Prairie Du Rocher,
Prairie, Ellis Grove, Ruma, Houston, Kaskaskia, Roots, Modoc and
Walsh.
This includes the following State Parks...
Felix Valle House State Park.
This includes Interstate 55 in Missouri between exits 141 and 150.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a well-built
building away from windows. If you are outdoors, in a mobile home,
or in a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
Tornadoes are difficult to observe at night. Take cover now!
&&
LAT...LON 3810 9015 3814 9004 3821 9004 3822 9002
3822 8979 3817 8974 3798 8965 3790 8984
3791 8984 3788 8988 3787 8994 3784 8998
3781 9011 3793 9017 3805 9020
TIME...MOT...LOC 0056Z 232DEG 51KT 3795 9029 3788 9023 3777 9022
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<1.00 IN
$$
Elmore085
WWUS53 KLSX 210113
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
813 PM CDT Sun Apr 20 2025
ILC157-MOC186-210145-
/O.CON.KLSX.TO.W.0049.000000T0000Z-250421T0145Z/
Randolph IL-Sainte Genevieve MO-
813 PM CDT Sun Apr 20 2025
...TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR RANDOLPH
AND EAST CENTRAL SAINTE GENEVIEVE COUNTIES...
At 813 PM CDT, tornado producing storms were located along a line
from 6 miles west of Evansville to near St. Mary, or along a line
from 8 miles north of Ste. Genevieve to 5 miles southeast of Ste.
Genevieve, moving northeast at 60 mph.
HAZARD...Damaging tornado.
SOURCE...Weather spotters confirmed tornado near St. Genevieve.
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, Sparta, Red Bud, Bremen, Steeleville,
Evansville, Baldwin, St. Mary, Preston, Blair, Prairie Du Rocher,
Prairie, Ellis Grove, Ruma, Houston, Kaskaskia, Walsh, Roots and
New Palestine.
This includes the following State Parks...
Felix Valle House State Park.
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.
Tornadoes are difficult to observe at night. Take cover now!
&&
LAT...LON 3802 9009 3810 9015 3812 9011 3814 9004
3821 9004 3822 9002 3822 8979 3817 8974
3798 8965 3790 8984 3791 8984 3790 8985
3790 8986 3788 8988 3787 8993 3787 8994
3784 8998
TIME...MOT...LOC 0108Z 232DEG 51KT 3805 9011 3798 9005 3788 9004
TORNADO...OBSERVED
MAX HAIL SIZE...<1.00 IN
$$
Elmore469
WWUS53 KLSX 210121
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
821 PM CDT Sun Apr 20 2025
MOC186-210131-
/O.CAN.KLSX.TO.W.0049.000000T0000Z-250421T0145Z/
Sainte Genevieve MO-
821 PM CDT Sun Apr 20 2025
...TORNADO WARNING IS CANCELLED FOR EAST CENTRAL SAINTE GENEVIEVE
COUNTY...
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been cancelled. However, gusty winds are
still possible with these thunderstorms.
A Tornado Watch remains in effect until 1100 PM CDT for a portion of
southeast Missouri.
&&
LAT...LON 3822 9002 3822 8979 3817 8974 3798 8965
3791 8984 3795 8993 3796 8993 3814 9004
3821 9004
TIME...MOT...LOC 0113Z 233DEG 51KT 3810 9004 3802 8998 3792 8997
$$
ILC157-210145-
/O.CON.KLSX.TO.W.0049.000000T0000Z-250421T0145Z/
Randolph IL-
821 PM CDT Sun Apr 20 2025
...TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR
NORTHEASTERN RANDOLPH COUNTY...
At 821 PM CDT, severe thunderstorms capable of producing a tornado
were located along a line from near Evansville to 5 miles northwest
of Chester, or along a line from near Red Bud to 5 miles northwest
of Chester, moving northeast at 55 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, Sparta, Red Bud, Bremen, Steeleville, Evansville,
Baldwin, Preston, Blair, Prairie, Ellis Grove, Ruma, Houston,
Walsh, New Palestine and Welge.
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.
Tornadoes are difficult to observe at night. Take cover now!
&&
LAT...LON 3822 9002 3822 8979 3817 8974 3798 8965
3791 8984 3795 8993 3796 8993 3814 9004
3821 9004
TIME...MOT...LOC 0113Z 232DEG 47KT 3809 9006 3802 8999 3792 8999
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<1.00 IN
$$
Elmore860
WWUS53 KLSX 210129
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
829 PM CDT Sun Apr 20 2025
ILC157-210145-
/O.CON.KLSX.TO.W.0049.000000T0000Z-250421T0145Z/
Randolph IL-
829 PM CDT Sun Apr 20 2025
...TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR
NORTHEASTERN RANDOLPH COUNTY...
At 829 PM CDT, severe thunderstorms capable of producing a tornado
were located along a line from over Baldwin to 5 miles north of
Bremen, or along a line from 8 miles east of Red Bud to 8 miles
southwest of Sparta, moving northeast at 55 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows and vehicles will occur. Tree
damage is likely.
Locations impacted include...
Sparta, Baldwin, Preston, Blair, Houston, Walsh and New Palestine.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a well-built
building away from windows. If you are outdoors, in a mobile home,
or in a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
Tornadoes are difficult to observe at night. Take cover now!
&&
LAT...LON 3822 8983 3822 8979 3817 8974 3802 8967
3799 8982 3822 8997
TIME...MOT...LOC 0121Z 232DEG 47KT 3815 8995 3808 8989 3798 8988
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<1.00 IN
$$
Elmore754
WWUS53 KLSX 210143
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
843 PM CDT Sun Apr 20 2025
ILC157-210153-
/O.EXP.KLSX.TO.W.0049.000000T0000Z-250421T0145Z/
Randolph IL-
843 PM CDT Sun Apr 20 2025
...TORNADO WARNING WILL EXPIRE AT 845 PM CDT FOR NORTHEASTERN
RANDOLPH COUNTY...
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire. However, gusty
winds are still possible with these thunderstorms.
&&
LAT...LON 3822 8983 3822 8979 3817 8974 3802 8967
3799 8982 3822 8997
TIME...MOT...LOC 0129Z 232DEG 47KT 3822 8984 3815 8978 3804 8978
$$
ElmoreThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 20, 7:13 PM CDT | Tornado Warning | LSX | Iron, Madison, Reynolds, Saint Francois, Washington | 47 min |
| Apr 20, 7:28 PM CDT | Tornado Warning | LSX | Jefferson, Sainte Genevieve, Saint Francois, Washington | 37 min |
| Apr 20, 7:53 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Madison, Sainte Genevieve, Saint Francois, Saint Louis | 52 min |
| Apr 20, 8:19 PM CDT | Tornado Warning | LSX | Madison | 41 min |
| Apr 20, 8:53 PM CDT | River Flood Warning | LSX | Monroe | 49 hr |
| Apr 20, 8:53 PM CDT | River Flood Warning | LSX | Lincoln | 67 hr |
| Apr 20, 8:57 PM CDT | River Flood Warning | LSX | Franklin, Jefferson | 60 hr |
| Apr 20, 8:57 PM CDT | River Flood Warning | LSX | Jefferson, Saint Louis | 67 hr |
| Apr 20, 8:57 PM CDT | River Flood Warning | LSX | Jefferson, Saint Louis | 4 days |
| Apr 21, 3:47 AM CDT | River Flood Warning | LSX | Marion | 6 hr |
| Apr 21, 7:23 AM CDT | River Flood Warning | LSX | Lewis | 23 hr |
| Apr 21, 7:23 AM CDT | River Flood Warning | LSX | Lewis | 61 hr |
| Apr 21, 11:19 AM CDT | River Flood Warning | LSX | Jefferson, Saint Louis | 4 days |
| Apr 20, 7:14 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 16 min |
| Apr 20, 7:43 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin | 47 min |
| Apr 20, 8:03 PM CDT | Tornado Warning | LSX | Monroe, Saint Clair | 42 min |
| Apr 20, 8:32 PM CDT | Tornado Warning | LSX | Randolph, Saint Clair, Washington | 43 min |
| Apr 20, 8:38 PM CDT | Tornado Warning | LSX | Bond, Clinton, Madison, Saint Clair | 38 min |
| Apr 20, 9:12 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Marion, Washington | 35 min |
Nearby
Tornado Warnings in Missouri, 2025Tornado 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.