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Severe Thunderstorm Warning 0042
Issued by the St. Louis Forecast Office

Action Issued Starts Expiration
New 2025-03-30 13:36:36 2025-03-30 13:35:00 2025-03-30 14:15:00
Continued 2025-03-30 13:45:22 2025-03-30 14:15:00
Cancelled 2025-03-30 13:45:22 2025-03-30 14:15:00
Continued 2025-03-30 13:53:52 2025-03-30 14:15:00
Continued 2025-03-30 14:00:52 2025-03-30 14:15:00
Expired 2025-03-30 14:09:52 2025-03-30 14:15:00


Action: New
Issued At: 2025-03-30 13:36:36

903 
WUUS53 KLSX 301835
SVRLSX
ILC133-163-301915-
/O.NEW.KLSX.SV.W.0042.250330T1835Z-250330T1915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service St Louis MO
135 PM CDT Sun Mar 30 2025

The National Weather Service in St Louis has issued a

* Severe Thunderstorm Warning for...
  North Central Monroe County in southwestern Illinois...
  Northern Saint Clair County in southwestern Illinois...

* Until 215 PM CDT.

* At 135 PM CDT, a severe thunderstorm was located over Millstadt, 
  moving northeast at 50 mph.

  HAZARD...60 mph wind gusts and small hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Belleville, OFallon, East St. Louis, Collinsville, Fairview 
  Heights, Cahokia, Swansea, Shiloh, Waterloo, Columbia, Mascoutah, 
  Centreville, Lebanon, Freeburg, Caseyville, Dupo, Millstadt, New 
  Baden, Scott AFB and Alorton.

This includes Interstate 64 in Illinois between exits 9 and 27.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter inside a well-built structure and stay away from 
windows. This storm is capable of producing damaging winds.

&&

LAT...LON 3849 9023 3866 8999 3866 8971 3853 8971
      3837 9016 3848 9025
TIME...MOT...LOC 1835Z 240DEG 43KT 3845 9015

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Elmore


Action: Continued
Issued At: 2025-03-30 13:45:22

182 
WWUS53 KLSX 301844
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
144 PM CDT Sun Mar 30 2025

ILC133-301854-
/O.CAN.KLSX.SV.W.0042.000000T0000Z-250330T1915Z/
Monroe IL-
144 PM CDT Sun Mar 30 2025

...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR NORTH CENTRAL MONROE 
COUNTY IN SOUTHWESTERN ILLINOIS...

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

&&

LAT...LON 3853 8971 3840 9009 3850 9019 3866 8999
      3866 8971
TIME...MOT...LOC 1835Z 240DEG 43KT 3846 9014

$$


ILC163-301915-
/O.CON.KLSX.SV.W.0042.000000T0000Z-250330T1915Z/
Saint Clair IL-
144 PM CDT Sun Mar 30 2025

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM CDT 
FOR NORTHERN SAINT CLAIR COUNTY...

At 144 PM CDT, a severe thunderstorm was located over Belleville, 
moving northeast at 50 mph.

HAZARD...60 mph wind gusts and small hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
  Belleville, OFallon, East St. Louis, Collinsville, Fairview 
  Heights, Cahokia, Swansea, Shiloh, Mascoutah, Centreville, 
  Lebanon, Freeburg, Caseyville, Millstadt, New Baden, Scott AFB, 
  Alorton and Summerfield.

This includes Interstate 64 in Illinois between exits 9 and 27.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter inside a well-built structure and stay away from 
windows. This storm is capable of producing damaging winds.

&&

LAT...LON 3853 8971 3840 9009 3850 9019 3866 8999
      3866 8971
TIME...MOT...LOC 1835Z 239DEG 42KT 3846 9015

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Elmore


Action: Cancelled
Issued At: 2025-03-30 13:45:22

182 
WWUS53 KLSX 301844
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
144 PM CDT Sun Mar 30 2025

ILC133-301854-
/O.CAN.KLSX.SV.W.0042.000000T0000Z-250330T1915Z/
Monroe IL-
144 PM CDT Sun Mar 30 2025

...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR NORTH CENTRAL MONROE 
COUNTY IN SOUTHWESTERN ILLINOIS...

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

&&

LAT...LON 3853 8971 3840 9009 3850 9019 3866 8999
      3866 8971
TIME...MOT...LOC 1835Z 240DEG 43KT 3846 9014

$$


ILC163-301915-
/O.CON.KLSX.SV.W.0042.000000T0000Z-250330T1915Z/
Saint Clair IL-
144 PM CDT Sun Mar 30 2025

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM CDT 
FOR NORTHERN SAINT CLAIR COUNTY...

At 144 PM CDT, a severe thunderstorm was located over Belleville, 
moving northeast at 50 mph.

HAZARD...60 mph wind gusts and small hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
  Belleville, OFallon, East St. Louis, Collinsville, Fairview 
  Heights, Cahokia, Swansea, Shiloh, Mascoutah, Centreville, 
  Lebanon, Freeburg, Caseyville, Millstadt, New Baden, Scott AFB, 
  Alorton and Summerfield.

This includes Interstate 64 in Illinois between exits 9 and 27.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter inside a well-built structure and stay away from 
windows. This storm is capable of producing damaging winds.

&&

LAT...LON 3853 8971 3840 9009 3850 9019 3866 8999
      3866 8971
TIME...MOT...LOC 1835Z 239DEG 42KT 3846 9015

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Elmore


Action: Continued
Issued At: 2025-03-30 13:53:52

363 
WWUS53 KLSX 301853
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
153 PM CDT Sun Mar 30 2025

ILC163-301915-
/O.CON.KLSX.SV.W.0042.000000T0000Z-250330T1915Z/
Saint Clair IL-
153 PM CDT Sun Mar 30 2025

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM CDT 
FOR NORTHEASTERN SAINT CLAIR COUNTY...

At 153 PM CDT, a severe thunderstorm was located over Swansea, 
moving northeast at 45 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage
         to roofs, siding, and trees.

Locations impacted include...
  Belleville, OFallon, East St. Louis, Collinsville, Fairview 
  Heights, Swansea, Shiloh, Mascoutah, Centreville, Lebanon, 
  Caseyville, New Baden, Scott AFB and Summerfield.

This includes Interstate 64 in Illinois between exits 12 and 27.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter inside a well-built structure and stay away from 
windows. This storm is capable of producing damaging winds and large 
hail.

&&

LAT...LON 3853 8971 3843 9005 3854 9012 3866 8999
      3866 8971
TIME...MOT...LOC 1844Z 239DEG 36KT 3849 9008

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Elmore


Action: Continued
Issued At: 2025-03-30 14:00:52

658 
WWUS53 KLSX 301900
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
200 PM CDT Sun Mar 30 2025

ILC163-301915-
/O.CON.KLSX.SV.W.0042.000000T0000Z-250330T1915Z/
Saint Clair IL-
200 PM CDT Sun Mar 30 2025

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM CDT 
FOR NORTHEASTERN SAINT CLAIR COUNTY...

At 200 PM CDT, a severe thunderstorm was located over OFallon, 
moving northeast at 45 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage
         to roofs, siding, and trees.

Locations impacted include...
  Belleville, OFallon, Fairview Heights, Swansea, Shiloh, 
  Mascoutah, Lebanon, Caseyville, New Baden, Scott AFB and 
  Summerfield.

This includes Interstate 64 in Illinois between exits 12 and 27.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter inside a well-built structure and stay away from 
windows. This storm is capable of producing damaging winds and large 
hail.

&&

LAT...LON 3853 8971 3850 8999 3861 9002 3866 8993
      3866 8971
TIME...MOT...LOC 1853Z 239DEG 36KT 3854 8998

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Elmore


Action: Expired
Issued At: 2025-03-30 14:09:52

854 
WWUS53 KLSX 301908 RRA
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
208 PM CDT Sun Mar 30 2025

ILC163-301918-
/O.EXP.KLSX.SV.W.0042.000000T0000Z-250330T1915Z/
Saint Clair IL-
208 PM CDT Sun Mar 30 2025

...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT 215 PM CDT FOR 
NORTHEASTERN SAINT CLAIR COUNTY...

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 will be allowed to expire.

&&

LAT...LON 3861 9002 3866 8993 3866 8971 3853 8971
      3850 8999
TIME...MOT...LOC 1900Z 239DEG 36KT 3857 8990

$$

Elmore



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