Alert archive / Illinois / Tornado Warnings in 2026
Tornado Warning 63, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Jun 17, 2026, 8:09 PM CDT for Fayette County, Montgomery County, Illinois. It was in force for 41 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
- Jun 17, 2026, 8:09 PM CDT (01:09 UTC)
- Expired
- Jun 17, 2026, 8:50 PM CDT
- In force
- 41 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.5 in
Counties Fayette County, IL, Montgomery County, IL
The radar
The Lincoln radar (KILX), 107 km from the middle of the area, began a volume at 01:07 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 17, 2:14 PM CDT | Tornado Watch | SPC | 11 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 1.2 hours before the alert went out and 124 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
- 611 J/kg
- Mixed-layer CIN
- -58 J/kg
- Mixed-layer LCL
- 895 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 109 m²/s²
- 0-3 km storm-relative helicity
- 166 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 3.5
The text
As transmitted.
837
WFUS53 KLSX 180109
TORLSX
ILC051-135-180200-
/O.NEW.KLSX.TO.W.0063.260618T0109Z-260618T0200Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
809 PM CDT Wed Jun 17 2026
The National Weather Service in St Louis has issued a
* Tornado Warning for...
Northwestern Fayette County in south central Illinois...
Southern Montgomery County in south central Illinois...
* Until 900 PM CDT.
* At 809 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Hillsboro, moving east at 55 mph.
HAZARD...Tornado and ping pong 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.
* Locations impacted include...
Honey Bend, Litchfield, Butler, Taylor Springs, Hillsboro, Schram
City, Irving, Witt, Coffeen, Chapman, Fillmore, Bingham, Bayle City
and Ramsey.
This includes the following State Parks...
Ramsey Lake State Recreation Area and Lake Lou Yaeger.
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 3916 8966 3929 8963 3924 8914 3922 8914
3922 8901 3900 8905
TIME...MOT...LOC 0109Z 282DEG 47KT 3920 8957
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
$$
Elmore5 follow-up statements
181
WWUS53 KLSX 180116
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
816 PM CDT Wed Jun 17 2026
ILC051-135-180200-
/O.CON.KLSX.TO.W.0063.000000T0000Z-260618T0200Z/
Fayette IL-Montgomery IL-
816 PM CDT Wed Jun 17 2026
...TORNADO WARNING REMAINS IN EFFECT UNTIL 9 PM CDT FOR NORTHWESTERN
FAYETTE AND SOUTHEASTERN MONTGOMERY COUNTIES IN SOUTH CENTRAL
ILLINOIS...
At 816 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Schram City, or over Hillsboro, moving east at 55
mph.
HAZARD...Tornado and half dollar size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Butler, Taylor Springs, Hillsboro, Schram City, Irving, Witt,
Coffeen, Chapman, Fillmore, Bingham, Bayle City and Ramsey.
This includes the following State Parks...
Ramsey Lake State Recreation Area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.
&&
LAT...LON 3913 8955 3928 8951 3924 8914 3922 8914
3922 8901 3900 8905
TIME...MOT...LOC 0109Z 282DEG 47KT 3920 8956
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
$$
Elmore698
WWUS53 KLSX 180125
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
825 PM CDT Wed Jun 17 2026
ILC051-135-180200-
/O.CON.KLSX.TO.W.0063.000000T0000Z-260618T0200Z/
Fayette IL-Montgomery IL-
825 PM CDT Wed Jun 17 2026
...TORNADO WARNING REMAINS IN EFFECT UNTIL 9 PM CDT FOR NORTHWESTERN
FAYETTE AND SOUTHEASTERN MONTGOMERY COUNTIES IN SOUTH CENTRAL
ILLINOIS...
At 825 PM CDT, a severe thunderstorm capable of producing a tornado
was located 6 miles northeast of Coffeen, or 10 miles east of
Hillsboro, moving east at 55 mph.
HAZARD...Tornado and half dollar 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...
Witt, Chapman, Fillmore, Bingham, Bayle City and Ramsey.
This includes the following State Parks...
Ramsey Lake State Recreation Area.
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 3912 8941 3925 8938 3924 8914 3922 8914
3922 8901 3900 8905
TIME...MOT...LOC 0116Z 282DEG 47KT 3918 8945
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
$$
Elmore050
WWUS53 KLSX 180135
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
835 PM CDT Wed Jun 17 2026
ILC135-180145-
/O.CAN.KLSX.TO.W.0063.000000T0000Z-260618T0200Z/
Montgomery IL-
835 PM CDT Wed Jun 17 2026
...TORNADO WARNING IS CANCELLED FOR SOUTHEASTERN MONTGOMERY COUNTY IN
SOUTH CENTRAL ILLINOIS...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1000 PM CDT for a portion of
south central Illinois.
&&
LAT...LON 3922 8901 3900 8905 3907 8925 3922 8925
TIME...MOT...LOC 0125Z 282DEG 47KT 3915 8930
$$
ILC051-180200-
/O.CON.KLSX.TO.W.0063.000000T0000Z-260618T0200Z/
Fayette IL-
835 PM CDT Wed Jun 17 2026
...TORNADO WARNING REMAINS IN EFFECT UNTIL 9 PM CDT FOR NORTHWESTERN
FAYETTE COUNTY...
At 835 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Ramsey, or 10 miles north of Vandalia, moving east
at 55 mph.
HAZARD...Tornado and half dollar 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...
Bingham, Bayle City and Ramsey.
This includes the following State Parks...
Ramsey Lake State Recreation Area.
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 3922 8901 3900 8905 3907 8925 3922 8925
TIME...MOT...LOC 0125Z 282DEG 47KT 3915 8930
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
$$
Elmore203
WWUS53 KLSX 180140
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
840 PM CDT Wed Jun 17 2026
ILC051-180200-
/O.CON.KLSX.TO.W.0063.000000T0000Z-260618T0200Z/
Fayette IL-
840 PM CDT Wed Jun 17 2026
...TORNADO WARNING REMAINS IN EFFECT UNTIL 9 PM CDT FOR NORTHWESTERN
FAYETTE COUNTY...
At 840 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Ramsey, or 9 miles north of Vandalia, moving east at
55 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Bayle City and Ramsey.
This includes the following State Parks...
Ramsey Lake State Recreation Area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.
&&
LAT...LON 3922 8901 3903 8905 3906 8920 3922 8916
TIME...MOT...LOC 0135Z 282DEG 47KT 3912 8913
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
Elmore592 WWUS53 KLSX 180150 SVSLSX Severe Weather Statement National Weather Service St Louis MO 850 PM CDT Wed Jun 17 2026 ILC051-180200- /O.CAN.KLSX.TO.W.0063.000000T0000Z-260618T0200Z/ Fayette IL- 850 PM CDT Wed Jun 17 2026 ...TORNADO WARNING IS CANCELLED FOR NORTHWESTERN FAYETTE COUNTY... The storm which prompted the warning has moved out of the area. Therefore, the warning has been cancelled. A Tornado Watch remains in effect until 1000 PM CDT for a portion of south central Illinois. && LAT...LON 3922 8901 3903 8905 3906 8920 3922 8916 TIME...MOT...LOC 0140Z 282DEG 47KT 3911 8905 $$ Elmore
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 7:49 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 15 min |
| Jun 17, 7:53 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Montgomery | 42 min |
| Jun 17, 8:39 PM CDT | Tornado Warning | LSX | Fayette | 26 min |
| Jun 17, 10:13 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 17 min |
| Jun 18, 11:43 AM CDT | River Flood Warning | LSX | Brown | 18 days |
| Jun 18, 11:43 AM CDT | River Flood Warning | LSX | Morgan, Pike | 21 days |
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.