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Home Return to list Severe Thunderstorm Warning 0150 Issued by the St. Louis Forecast Office
Action: New Issued At: 2026-05-18 07:21:38
190
WUUS53 KLSX 181221
SVRLSX
ILC013-061-083-MOC113-163-181300-
/O.NEW.KLSX.SV.W.0150.260518T1221Z-260518T1300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service St Louis MO
721 AM CDT Mon May 18 2026
The National Weather Service in St Louis has issued a
* Severe Thunderstorm Warning for...
Central Calhoun County in southwestern Illinois...
Southwestern Greene County in southwestern Illinois...
West Central Jersey County in southwestern Illinois...
Northeastern Lincoln County in east central Missouri...
Southeastern Pike County in northeastern Missouri...
* Until 800 AM CDT.
* At 721 AM CDT, a severe thunderstorm was located near Elsberry,
moving east at 35 mph.
HAZARD...60 mph wind gusts and small hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
New Hope, Annada, Elsberry, Mozier, Hamburg, Hardin, Michael,
Kampsville, Nutwood, Eldred, Fieldon and Woody.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds.
Tornadoes can develop quickly from severe thunderstorms. Seek shelter
immediately in an interior room on the lowest floor of a well-built
structure.
&&
LAT...LON 3922 9095 3923 9095 3938 9047 3906 9045
3907 9094
TIME...MOT...LOC 1221Z 264DEG 30KT 3915 9087
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Pfahler
Action: Cancelled Issued At: 2026-05-18 07:38:39
530
WWUS53 KLSX 181238
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
738 AM CDT Mon May 18 2026
MOC113-163-181248-
/O.CAN.KLSX.SV.W.0150.000000T0000Z-260518T1300Z/
Lincoln MO-Pike MO-
738 AM CDT Mon May 18 2026
...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR NORTHEASTERN LINCOLN
COUNTY IN EAST CENTRAL MISSOURI AND SOUTHEASTERN PIKE COUNTY IN
NORTHEASTERN MISSOURI...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
&&
LAT...LON 3927 9075 3929 9076 3938 9047 3916 9046
3912 9069 3913 9069 3915 9071 3918 9071
3920 9072 3923 9072 3925 9073 3926 9073
3926 9074
TIME...MOT...LOC 1221Z 264DEG 30KT 3915 9087
$$
ILC013-061-083-181300-
/O.CON.KLSX.SV.W.0150.000000T0000Z-260518T1300Z/
Calhoun IL-Greene IL-Jersey IL-
738 AM CDT Mon May 18 2026
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 8 AM CDT FOR
NORTH CENTRAL CALHOUN, SOUTHWESTERN GREENE AND WEST CENTRAL JERSEY
COUNTIES...
At 738 AM CDT, a severe thunderstorm was located near Hardin, or 9
miles east of Elsberry, moving east at 45 mph.
HAZARD...60 mph wind gusts and small hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Mozier, Hamburg, Michael, Hardin, Kampsville, Eldred and Woody.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds.
Tornadoes can develop quickly from severe thunderstorms. Seek shelter
immediately in an interior room on the lowest floor of a well-built
structure.
&&
LAT...LON 3927 9075 3929 9076 3938 9047 3916 9046
3912 9069 3913 9069 3915 9071 3918 9071
3920 9072 3923 9072 3925 9073 3926 9073
3926 9074
TIME...MOT...LOC 1221Z 253DEG 37KT 3917 9085
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Pfahler
Action: Continued Issued At: 2026-05-18 07:38:39
530
WWUS53 KLSX 181238
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
738 AM CDT Mon May 18 2026
MOC113-163-181248-
/O.CAN.KLSX.SV.W.0150.000000T0000Z-260518T1300Z/
Lincoln MO-Pike MO-
738 AM CDT Mon May 18 2026
...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR NORTHEASTERN LINCOLN
COUNTY IN EAST CENTRAL MISSOURI AND SOUTHEASTERN PIKE COUNTY IN
NORTHEASTERN MISSOURI...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
&&
LAT...LON 3927 9075 3929 9076 3938 9047 3916 9046
3912 9069 3913 9069 3915 9071 3918 9071
3920 9072 3923 9072 3925 9073 3926 9073
3926 9074
TIME...MOT...LOC 1221Z 264DEG 30KT 3915 9087
$$
ILC013-061-083-181300-
/O.CON.KLSX.SV.W.0150.000000T0000Z-260518T1300Z/
Calhoun IL-Greene IL-Jersey IL-
738 AM CDT Mon May 18 2026
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 8 AM CDT FOR
NORTH CENTRAL CALHOUN, SOUTHWESTERN GREENE AND WEST CENTRAL JERSEY
COUNTIES...
At 738 AM CDT, a severe thunderstorm was located near Hardin, or 9
miles east of Elsberry, moving east at 45 mph.
HAZARD...60 mph wind gusts and small hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Mozier, Hamburg, Michael, Hardin, Kampsville, Eldred and Woody.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds.
Tornadoes can develop quickly from severe thunderstorms. Seek shelter
immediately in an interior room on the lowest floor of a well-built
structure.
&&
LAT...LON 3927 9075 3929 9076 3938 9047 3916 9046
3912 9069 3913 9069 3915 9071 3918 9071
3920 9072 3923 9072 3925 9073 3926 9073
3926 9074
TIME...MOT...LOC 1221Z 253DEG 37KT 3917 9085
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Pfahler
Action: Continued Issued At: 2026-05-18 07:52:40
856
WWUS53 KLSX 181252
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
752 AM CDT Mon May 18 2026
ILC013-181302-
/O.CAN.KLSX.SV.W.0150.000000T0000Z-260518T1300Z/
Calhoun IL-
752 AM CDT Mon May 18 2026
...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR NORTH CENTRAL CALHOUN
COUNTY...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
&&
LAT...LON 3914 9059 3918 9060 3919 9060 3920 9059
3922 9059 3923 9060 3924 9060 3925 9061
3926 9061 3929 9060 3931 9061 3933 9061
3938 9047 3916 9046
TIME...MOT...LOC 1238Z 253DEG 37KT 3922 9063
$$
ILC061-083-181300-
/O.CON.KLSX.SV.W.0150.000000T0000Z-260518T1300Z/
Greene IL-Jersey IL-
752 AM CDT Mon May 18 2026
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 8 AM CDT FOR
SOUTHWESTERN GREENE AND WEST CENTRAL JERSEY COUNTIES...
At 752 AM CDT, a severe thunderstorm was located near Carrollton, or
11 miles northwest of Jerseyville, moving east at 45 mph.
HAZARD...60 mph wind gusts and small hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Eldred and Woody.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds.
Tornadoes can develop quickly from severe thunderstorms. Seek shelter
immediately in an interior room on the lowest floor of a well-built
structure.
&&
LAT...LON 3914 9059 3918 9060 3919 9060 3920 9059
3922 9059 3923 9060 3924 9060 3925 9061
3926 9061 3929 9060 3931 9061 3933 9061
3938 9047 3916 9046
TIME...MOT...LOC 1238Z 253DEG 37KT 3922 9063
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Pfahler
Action: Cancelled Issued At: 2026-05-18 07:52:40
856
WWUS53 KLSX 181252
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
752 AM CDT Mon May 18 2026
ILC013-181302-
/O.CAN.KLSX.SV.W.0150.000000T0000Z-260518T1300Z/
Calhoun IL-
752 AM CDT Mon May 18 2026
...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR NORTH CENTRAL CALHOUN
COUNTY...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
&&
LAT...LON 3914 9059 3918 9060 3919 9060 3920 9059
3922 9059 3923 9060 3924 9060 3925 9061
3926 9061 3929 9060 3931 9061 3933 9061
3938 9047 3916 9046
TIME...MOT...LOC 1238Z 253DEG 37KT 3922 9063
$$
ILC061-083-181300-
/O.CON.KLSX.SV.W.0150.000000T0000Z-260518T1300Z/
Greene IL-Jersey IL-
752 AM CDT Mon May 18 2026
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 8 AM CDT FOR
SOUTHWESTERN GREENE AND WEST CENTRAL JERSEY COUNTIES...
At 752 AM CDT, a severe thunderstorm was located near Carrollton, or
11 miles northwest of Jerseyville, moving east at 45 mph.
HAZARD...60 mph wind gusts and small hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Eldred and Woody.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds.
Tornadoes can develop quickly from severe thunderstorms. Seek shelter
immediately in an interior room on the lowest floor of a well-built
structure.
&&
LAT...LON 3914 9059 3918 9060 3919 9060 3920 9059
3922 9059 3923 9060 3924 9060 3925 9061
3926 9061 3929 9060 3931 9061 3933 9061
3938 9047 3916 9046
TIME...MOT...LOC 1238Z 253DEG 37KT 3922 9063
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Pfahler
Action: Expired Issued At: 2026-05-18 08:02:10
136
WWUS53 KLSX 181301
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
801 AM CDT Mon May 18 2026
ILC061-083-181311-
/O.EXP.KLSX.SV.W.0150.000000T0000Z-260518T1300Z/
Greene IL-Jersey IL-
801 AM CDT Mon May 18 2026
...SEVERE THUNDERSTORM WARNING HAS EXPIRED FOR SOUTHWESTERN GREENE
AND WEST CENTRAL JERSEY COUNTIES...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been allowed to expire.
&&
LAT...LON 3914 9059 3918 9060 3919 9060 3920 9059
3922 9059 3923 9060 3924 9060 3925 9061
3926 9061 3929 9060 3931 9061 3933 9061
3938 9047 3916 9046
TIME...MOT...LOC 1252Z 254DEG 37KT 3926 9045
$$
Pfahler
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