Alert archive / Missouri / Tornado Warnings in 2026

Tornado Warning 28, NWS St. Louis, MO

April 26, 20264 counties in Missouri

NWS St. Louis, MO issued this tornado warning at Apr 26, 2026, 8:43 PM CDT for 4 counties in Missouri. It was in force for 30 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: Apr 26, 2026, 8:43 PM CDT (01:43 UTC)
Expired: Apr 26, 2026, 9:13 PM CDT
In force: 30 min
Issued by: NWS St. Louis, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Boone County, MO, Callaway County, MO, Cole County, MO, Moniteau County, MO

The radar

The St Louis radar (KLSX), 143 km from the middle of the area, began a volume at 01:44 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

Springfield, MO (KSGF), launched 00:00Z, 1.7 hours before the alert went out and 239 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: 1115 J/kg
Mixed-layer CIN: -60 J/kg
Mixed-layer LCL: 1306 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 128 m²/s²
0-3 km storm-relative helicity: 227 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 7.1

Open this sounding in Storm Lab

The text

As transmitted.

115 
WFUS53 KLSX 270143
TORLSX
MOC019-027-051-135-270230-
/O.NEW.KLSX.TO.W.0028.260427T0143Z-260427T0230Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
843 PM CDT Sun Apr 26 2026

The National Weather Service in St Louis has issued a

* Tornado Warning for...
  Southeastern Boone County in central Missouri...
  Southwestern Callaway County in central Missouri...
  Northwestern Cole County in central Missouri...
  East Central Moniteau County in central Missouri...

* Until 930 PM CDT.

* At 843 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Centertown, or 9 miles east of California, moving
  northeast 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...
  Centertown, St. Martins and Jamestown around 845 PM CDT.
  Ashland around 900 PM CDT.

Other locations impacted by the tornado include Kliever, Marion,
Wilton, Elston, Sandy Hook, Hartsburg, Guthrie and Carrington.

This includes the following State Parks...
Rock Bridge State Park and Jewell Cemetery Historic Site.

This includes Interstate 70 in Missouri between exits 125 and 127.

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 3857 9245 3871 9252 3899 9234 3870 9189
TIME...MOT...LOC 0142Z 245DEG 29KT 3865 9242

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

$$

Jaja

2 follow-up statements

956 
WWUS53 KLSX 270157
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
857 PM CDT Sun Apr 26 2026

MOC051-135-270207-
/O.CAN.KLSX.TO.W.0028.000000T0000Z-260427T0230Z/
Cole MO-Moniteau MO-
857 PM CDT Sun Apr 26 2026

...TORNADO WARNING IS CANCELLED FOR NORTHWESTERN COLE AND EAST
CENTRAL MONITEAU COUNTIES...

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

&&

LAT...LON 3883 9244 3899 9234 3870 9189 3863 9220
      3864 9222 3865 9226 3867 9229 3868 9236
      3869 9236 3871 9234 3872 9234 3873 9236
      3874 9240 3876 9241 3877 9241 3879 9238
      3881 9238 3882 9239 3882 9242
TIME...MOT...LOC 0143Z 245DEG 29KT 3866 9241

$$


MOC019-027-270230-
/O.CON.KLSX.TO.W.0028.000000T0000Z-260427T0230Z/
Boone MO-Callaway MO-
857 PM CDT Sun Apr 26 2026

...TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM CDT FOR
SOUTHEASTERN BOONE AND SOUTHWESTERN CALLAWAY COUNTIES...

At 857 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Ashland, moving northeast 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...
  Ashland around 900 PM CDT.
  Columbia Regional Airport around 905 PM CDT.
  Lake Mykee Town, Lake Mykee and Holts Summit around 910 PM CDT.

Other locations impacted by the tornado include Hartsburg, Wilton,
Guthrie and Carrington.

This includes the following State Parks...
Rock Bridge State Park and Jewell Cemetery Historic Site.

This includes Interstate 70 in Missouri between exits 125 and 127.

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 3883 9244 3899 9234 3870 9189 3863 9220
      3864 9222 3865 9226 3867 9229 3868 9236
      3869 9236 3871 9234 3872 9234 3873 9236
      3874 9240 3876 9241 3877 9241 3879 9238
      3881 9238 3882 9239 3882 9242
TIME...MOT...LOC 0143Z 245DEG 29KT 3866 9241

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

$$

Jaja

738 
WWUS53 KLSX 270213
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
913 PM CDT Sun Apr 26 2026

MOC019-027-270223-
/O.CAN.KLSX.TO.W.0028.000000T0000Z-260427T0230Z/
Boone MO-Callaway MO-
913 PM CDT Sun Apr 26 2026

...TORNADO WARNING IS CANCELLED FOR SOUTHEASTERN BOONE AND
SOUTHWESTERN CALLAWAY 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 3883 9244 3899 9234 3870 9189 3863 9220
      3864 9222 3865 9226 3867 9229 3868 9236
      3869 9236 3871 9234 3872 9234 3873 9236
      3874 9240 3876 9241 3877 9241 3879 9238
      3881 9238 3882 9239 3882 9242
TIME...MOT...LOC 0157Z 245DEG 29KT 3871 9227

$$

Jaja

The office that day

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

Issued	Product	Office	Counties	Lasted
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, 8:10 AM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Audrain, Lincoln, Marion, Pike, Ralls	65 min
Apr 27, 8:24 AM CDT	Tornado Warning	LSX	Pike, 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, 11:18 AM CDT	Flood Watch	LSX	Audrain, Boone, Callaway, Cole, Franklin, Gasconade and 10 more	10 hr
Apr 27, 11:48 AM CDT	Flash Flood Warning	LSX	Audrain, Boone, Callaway, Cole, Moniteau, Montgomery and 1 more	3 hr
Apr 27, 12:09 PM CDT	Areal Flood Advisory	LSX	Lincoln, Pike, Warren	3 hr
Apr 27, 12:27 PM CDT	Tornado Warning	LSX	Saint Charles, Saint Louis, City of Saint Louis	48 min
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, 1:55 PM CDT	Severe Thunderstorm Warning	LSX	Saint Louis, City of Saint Louis	45 min
Apr 27, 2:01 PM CDT	Tornado Warning	LSX	City of Saint Louis	27 min
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, 3:05 PM CDT	River Flood Warning	LSX	Perry, Sainte Genevieve	8 days
Apr 27, 3:14 PM CDT	Severe Thunderstorm Warning	LSX	Saint Charles, Saint Louis	46 min
Apr 27, 3:19 PM CDT	Tornado Warning	LSX	Saint Charles, Saint Louis	41 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	Severe Thunderstorm Warning	LSX	Marion, Pike, Ralls	44 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
Apr 27, 4:34 PM CDT	Tornado Warning	LSX	Marion	29 min
Apr 27, 4:35 PM CDT	Flash Flood Warning	LSX	Monroe	5 hr
Apr 27, 4:46 PM CDT	Tornado Warning	LSX	Pike	44 min
Apr 27, 4:52 PM CDT	Flash Flood Warning	LSX	Marion, Ralls	4 hr
Apr 27, 4:54 PM CDT	Tornado Warning	LSX	Audrain, Pike	21 min
Apr 27, 4:57 PM CDT	River Flood Warning	LSX	Callaway, Osage	4 days
Apr 27, 4:57 PM CDT	River Flood Warning	LSX	Gasconade, Montgomery	3 days
Apr 27, 4:57 PM CDT	Severe Thunderstorm Warning	LSX	Lincoln, Montgomery, Pike	63 min
Apr 27, 5:00 PM CDT	Tornado Warning	LSX	Pike	30 min
Apr 27, 5:04 PM CDT	River Flood Warning	LSX	Marion	22 hr
Apr 27, 5:09 PM CDT	Severe Thunderstorm Warning	LSX	Callaway	19 min
Apr 27, 5:14 PM CDT	Severe Thunderstorm Warning	LSX	Callaway, Cole, Osage	61 min
Apr 27, 5:20 PM CDT	Flash Flood Warning	LSX	Pike, Ralls	3 hr
Apr 27, 5:21 PM CDT	Severe Thunderstorm Warning	LSX	Pike	39 min
Apr 27, 5:32 PM CDT	Severe Thunderstorm Warning	LSX	Lincoln	43 min
Apr 27, 5:47 PM CDT	Severe Thunderstorm Warning	LSX	Lincoln	58 min
Apr 27, 5:55 PM CDT	Severe Thunderstorm Warning	LSX	Franklin, Gasconade, Warren	50 min
Apr 27, 5:57 PM CDT	Severe Thunderstorm Warning	LSX	Crawford, Franklin, Washington	48 min
Apr 27, 5:59 PM CDT	Severe Thunderstorm Warning	LSX	Lincoln, Saint Charles	46 min
Apr 27, 6:09 PM CDT	Severe Thunderstorm Warning	LSX	Saint Charles, Warren	36 min
Apr 27, 6:26 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Franklin, Jefferson	64 min
Apr 27, 6:28 PM CDT	Severe Thunderstorm Warning	LSX	Saint Charles, Saint Louis	47 min
Apr 27, 6:31 PM CDT	Tornado Warning	LSX	Franklin, Jefferson, Washington	59 min
Apr 27, 6:40 PM CDT	Severe Thunderstorm Warning	LSX	Franklin, Jefferson, Saint Charles, Saint Louis	48 min
Apr 27, 6:41 PM CDT	Tornado Warning	LSX	Saint Charles, Saint Louis	32 min
Apr 27, 6:45 PM CDT	Severe Thunderstorm Warning	LSX	Crawford	45 min

Nearby

Tornado Warnings in Missouri, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.