Alert archive / Illinois / Tornado Warnings in 2026
Tornado Warning 1, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Feb 19, 2026, 5:12 PM CST for Marion County, Illinois. It was in force for 29 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
- Feb 19, 2026, 5:12 PM CST (23:12 UTC)
- Expired
- Feb 19, 2026, 5:41 PM CST
- In force
- 29 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
County Marion County, IL
The radar
The Evansville,IN radar (KVWX), 104 km from the middle of the area, began a volume at 23:13 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, 11.2 hours before the alert went out and 184 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
- 7 J/kg
- Mixed-layer CIN
- -290 J/kg
- Mixed-layer LCL
- 783 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 185 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted.
313
WFUS53 KLSX 192312
TORLSX
ILC121-200000-
/O.NEW.KLSX.TO.W.0001.260219T2312Z-260220T0000Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
512 PM CST Thu Feb 19 2026
The National Weather Service in St Louis has issued a
* Tornado Warning for...
Southeastern Marion County in south central Illinois...
* Until 600 PM CST.
* At 512 PM CST, a severe thunderstorm capable of producing a tornado
was located 14 miles south of Salem, or 12 miles southeast of
Centralia, moving northeast at 30 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.
* Locations impacted include...
Helm and Kell.
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 3847 8904 3865 8870 3848 8870 3848 8892
TIME...MOT...LOC 2312Z 240DEG 28KT 3842 8894
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
Pfahler2 follow-up statements
112
WWUS53 KLSX 192330
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
530 PM CST Thu Feb 19 2026
ILC121-200000-
/O.CON.KLSX.TO.W.0001.000000T0000Z-260220T0000Z/
Marion IL-
530 PM CST Thu Feb 19 2026
...TORNADO WARNING REMAINS IN EFFECT UNTIL 6 PM CST FOR SOUTHEASTERN
MARION COUNTY IN SOUTH CENTRAL ILLINOIS...
At 530 PM CST, a severe thunderstorm capable of producing a tornado
was located near Helm, or 14 miles southeast of Salem, moving east at
30 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Helm.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.
&&
LAT...LON 3848 8891 3859 8870 3848 8870
TIME...MOT...LOC 2312Z 251DEG 25KT 3844 8893
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
Pfahler946 WWUS53 KLSX 192341 SVSLSX Severe Weather Statement National Weather Service St Louis MO 541 PM CST Thu Feb 19 2026 ILC121-192351- /O.CAN.KLSX.TO.W.0001.000000T0000Z-260220T0000Z/ Marion IL- 541 PM CST Thu Feb 19 2026 ...TORNADO WARNING IS CANCELLED FOR SOUTHEASTERN MARION COUNTY IN SOUTH CENTRAL ILLINOIS... The storm which prompted the warning has moved out of the area. Therefore, the warning has been cancelled. && LAT...LON 3848 8891 3859 8870 3848 8870 TIME...MOT...LOC 2330Z 251DEG 25KT 3848 8877 $$ Pfahler
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 19, 4:23 AM CST | Dense Fog Advisory | LSX | Bond, Calhoun, Fayette, Greene, Jersey, Macoupin and 4 more | 5 hr |
| Feb 19, 5:15 PM CST | Severe Thunderstorm Warning | LSX | Bond, Fayette | 45 min |
| Feb 19, 5:40 PM CST | Tornado Warning | LSX | Fayette | 40 min |
Nearby
Tornado Warnings in Illinois, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.