Alert archive / Illinois / Tornado Warnings in 2026
Tornado Warning 49, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Apr 27, 2026, 6:41 PM CDT for Saint Charles County, Saint Louis County, Missouri; Calhoun County, Jersey County, Madison County, Illinois. It was in force for 32 min. 18 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
- Apr 27, 2026, 6:41 PM CDT (23:41 UTC)
- Expired
- Apr 27, 2026, 7:13 PM CDT
- In force
- 32 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Calhoun County, IL, Jersey County, IL, Madison County, IL, Saint Charles County, MO, Saint Louis County, MO
The radar
The St Louis radar (KLSX), 40 km from the middle of the area, began a volume at 23:41 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 27, 6:49 PM CDT | TORNADO | 2 Ne West Alton, MO | A video from Alton showed the vortex of a waterspout tornado dissipating as it approached the Lincoln Shields Recreation Area. A NWS damage survey was unable to find any damage across northeastern St. Charles County, northern St. Louis County, or western Madis |
| Apr 27, 6:50 PM CDT | HAIL 1.75 | Alton, IL | |
| Apr 27, 6:52 PM CDT | HAIL 1 | 2 S Godfrey, IL | Hail from the sizes of dimes to quarters. |
| Apr 27, 6:54 PM CDT | HAIL 1 | 1 S Godfrey, IL | |
| Apr 27, 6:55 PM CDT | HAIL 1.5 | 2 Nw Alton, IL | Report from mPING: Ping Pong Ball (1.50 in.). |
| Apr 27, 6:56 PM CDT | HAIL 2 | 2 Wnw Bethalto, IL | |
| Apr 27, 6:59 PM CDT | HAIL 1 | 1 Ne Alton, IL | Report from mPING: Quarter (1.00 in.). |
| Apr 27, 7:00 PM CDT | HAIL 1.25 | 2 N Wood River, IL | |
| Apr 27, 7:03 PM CDT | HAIL 1.25 | Bethalto, IL | |
| Apr 27, 7:07 PM CDT | HAIL 1.75 | 1 Nw Bethalto, IL | Report from mPING: Golf Ball (1.75 in.). |
| Apr 27, 7:10 PM CDT | TSTM WND DMG | Florissant, MO | 4 buildings collapsed in Florissant. |
| Apr 27, 7:10 PM CDT | HAIL 1 | Dorsey, IL | |
| Apr 27, 7:10 PM CDT | HAIL 1.25 | Bethalto, IL | |
| Apr 27, 7:11 PM CDT | HAIL 1 | 3 W Carpenter, IL | Report from mPING: Quarter (1.00 in.). |
| Apr 27, 7:12 PM CDT | TSTM WND DMG | 1 W Spanish Lake, MO | Multiple large tree limbs down. |
| Apr 27, 7:13 PM CDT | TSTM WND DMG | 1 Sw Spanish Lake, MO | Delayed report. Video on Facebook shows several large trees snapped and uprooted along Bayonne Dr. |
| Apr 27, 7:13 PM CDT | HAIL 1.75 | 3 Ssw Prairietown, IL | |
| Apr 27, 7:15 PM CDT | HAIL 1.25 | 3 W Carpenter, IL | Report from mPING: Half Dollar (1.25 in.). |
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 27, 12:50 PM CDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 11.7 hours before the alert went out and 202 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1053 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 306 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
855
WFUS53 KLSX 272341
TORLSX
ILC013-083-119-MOC183-189-280030-
/O.NEW.KLSX.TO.W.0049.260427T2341Z-260428T0030Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
641 PM CDT Mon Apr 27 2026
The National Weather Service in St Louis has issued a
* Tornado Warning for...
Southern Calhoun County in southwestern Illinois...
South Central Jersey County in southwestern Illinois...
Northwestern Madison County in southwestern Illinois...
Northeastern Saint Charles County in east central Missouri...
Northeastern Saint Louis County in east central Missouri...
* Until 730 PM CDT.
* At 641 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Hazelwood, moving east at 35 mph.
HAZARD...Tornado and quarter size hail.
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...
Florissant, Hazelwood, Berkeley, Portage Des Sioux, Calverton Park,
Ferguson, Lambert-St. Louis International Airport, Orchard Farms,
Bridgeton and St. Charles around 645 PM CDT.
Black Jack around 650 PM CDT.
West Alton, Godfrey and Spanish Lake around 655 PM CDT.
Other locations impacted by the tornado include Fosterburg and Poag.
This includes the following State Parks...
Confluence State Park and First Missouri State Capitol Historic Site.
This includes Interstate 70 in Missouri between exits 222 and 229.
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 3891 9050 3900 9002 3900 8991 3881 8987
3874 9062 3888 9066
TIME...MOT...LOC 2341Z 258DEG 31KT 3884 9038
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
Elmore4 follow-up statements
561
WWUS53 KLSX 272349
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
649 PM CDT Mon Apr 27 2026
ILC013-083-119-MOC183-189-280030-
/O.CON.KLSX.TO.W.0049.000000T0000Z-260428T0030Z/
Calhoun IL-Jersey IL-Madison IL-Saint Charles MO-Saint Louis MO-
649 PM CDT Mon Apr 27 2026
...TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR SOUTHERN
CALHOUN, SOUTH CENTRAL JERSEY AND NORTHWESTERN MADISON COUNTIES IN
SOUTHWESTERN ILLINOIS AND NORTHEASTERN SAINT CHARLES AND NORTHEASTERN
SAINT LOUIS COUNTIES IN EAST CENTRAL MISSOURI...
At 649 PM CDT, a cluster of severe thunderstorms capable of producing
a tornado was located near Black Jack, moving east at 35 mph.
HAZARD...Tornado and golf ball size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows and vehicles will occur. Tree damage is
likely.
This tornado will be near...
Florissant, Black Jack, Portage Des Sioux, Hazelwood, Ferguson,
Calverton Park and Berkeley around 650 PM CDT.
West Alton, Godfrey and Spanish Lake around 655 PM CDT.
East Alton, Alton, Wood River, Hartford and Granite City around 705
PM CDT.
Other locations impacted by the tornado include Fosterburg and Poag.
This includes the following State Parks...
Confluence State Park and First Missouri State Capitol Historic Site.
This includes Interstate 70 in Missouri between exits 222 and 229.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.
&&
LAT...LON 3891 9050 3900 9002 3900 8991 3881 8987
3874 9062 3888 9066
TIME...MOT...LOC 2341Z 258DEG 31KT 3884 9038
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
$$
Elmore786
WWUS53 KLSX 272356
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
656 PM CDT Mon Apr 27 2026
ILC013-083-MOC183-189-280006-
/O.CAN.KLSX.TO.W.0049.000000T0000Z-260428T0030Z/
Calhoun IL-Jersey IL-Saint Charles MO-Saint Louis MO-
656 PM CDT Mon Apr 27 2026
...TORNADO WARNING IS CANCELLED FOR SOUTHERN CALHOUN, SOUTH CENTRAL
JERSEY, NORTHEASTERN SAINT CHARLES AND NORTHEASTERN SAINT LOUIS
COUNTIES...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled. However, small hail, gusty
winds, and heavy rain are still possible with this thunderstorm.
A Tornado Watch remains in effect until 900 PM CDT for portions of
southwest Illinois and east central Missouri.
&&
LAT...LON 3891 9023 3897 9018 3900 9003 3900 8991
3885 8988 3885 9011 3889 9019 3889 9020
3891 9022
TIME...MOT...LOC 2349Z 258DEG 31KT 3885 9029
$$
ILC119-280030-
/O.CON.KLSX.TO.W.0049.000000T0000Z-260428T0030Z/
Madison IL-
656 PM CDT Mon Apr 27 2026
...TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR
NORTHWESTERN MADISON COUNTY IN SOUTHWESTERN ILLINOIS...
At 656 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Alton, moving east at 45 mph.
HAZARD...Tornado and golf ball size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows and vehicles will occur. Tree damage is
likely.
This tornado will be near...
Bethalto, Alton, East Alton, Rosewood Heights, Wood River, Roxana
and Godfrey around 700 PM CDT.
Dorsey around 705 PM CDT.
Prairietown around 710 PM CDT.
Other locations impacted by the tornado include Fosterburg.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.
&&
LAT...LON 3891 9023 3897 9018 3900 9003 3900 8991
3885 8988 3885 9011 3889 9019 3889 9020
3891 9022
TIME...MOT...LOC 2349Z 255DEG 37KT 3889 9022
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
$$
Elmore969
WWUS53 KLSX 280002
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
702 PM CDT Mon Apr 27 2026
ILC119-280030-
/O.CON.KLSX.TO.W.0049.000000T0000Z-260428T0030Z/
Madison IL-
702 PM CDT Mon Apr 27 2026
...TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR NORTH
CENTRAL MADISON COUNTY IN SOUTHWESTERN ILLINOIS...
At 702 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Bethalto, moving east at 45 mph.
HAZARD...Tornado and two inch hail.
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...
Bethalto, Dorsey, Rosewood Heights, East Alton, Wood River, Alton
and Roxana around 705 PM CDT.
Prairietown around 710 PM CDT.
Carpenter around 715 PM CDT.
Other locations impacted by the tornado include Fosterburg.
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 3885 9011 3898 9012 3900 9004 3900 8991
3885 8988
TIME...MOT...LOC 2356Z 255DEG 37KT 3891 9013
TORNADO...RADAR INDICATED
MAX HAIL SIZE...2.00 IN
$$
Elmore314
WWUS53 KLSX 280013
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
713 PM CDT Mon Apr 27 2026
ILC119-280023-
/O.CAN.KLSX.TO.W.0049.000000T0000Z-260428T0030Z/
Madison IL-
713 PM CDT Mon Apr 27 2026
...TORNADO WARNING IS CANCELLED FOR NORTH CENTRAL MADISON COUNTY IN
SOUTHWESTERN ILLINOIS...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled. However, small hail, gusty
winds, and heavy rain are still possible with this thunderstorm.
A Tornado Watch remains in effect until 900 PM CDT for a portion of
southwest Illinois.
&&
LAT...LON 3885 9011 3898 9012 3900 9004 3900 8991
3885 8988
TIME...MOT...LOC 0002Z 255DEG 37KT 3892 9005
$$
ElmoreThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 8:43 PM CDT | Tornado Warning | LSX | Boone, Callaway, Cole, Moniteau | 30 min |
| 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 | 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 | 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 | 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 | 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, 6:45 PM CDT | Severe Thunderstorm Warning | LSX | Crawford | 45 min |
| Apr 27, 6:32 AM CDT | Severe Thunderstorm Warning | LSX | Clinton, Washington | 43 min |
| Apr 27, 7:03 AM CDT | Severe Thunderstorm Warning | LSX | Clinton, Marion, Washington | 57 min |
| Apr 27, 7:59 AM CDT | Severe Thunderstorm Warning | LSX | Greene, Macoupin, Montgomery | 33 min |
| Apr 27, 8:57 AM CDT | Severe Thunderstorm Warning | LSX | Greene, Pike | 48 min |
| Apr 27, 9:03 AM CDT | Tornado Warning | LSX | Greene, Pike | 42 min |
| Apr 27, 9:44 AM CDT | Severe Thunderstorm Warning | LSX | Greene, Macoupin | 61 min |
Nearby
Tornado Warnings in Illinois, 2026Tornado 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.