WWUS53 KLSX 181811
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
1211 PM CST Thu Dec 18 2025

ILC119-163-181845-
/O.CON.KLSX.SV.W.0229.000000T0000Z-251218T1845Z/
Madison IL-Saint Clair IL-
1211 PM CST Thu Dec 18 2025

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 PM CST
FOR SOUTHEASTERN MADISON AND NORTHERN SAINT CLAIR COUNTIES IN
SOUTHWESTERN ILLINOIS...

At 1211 PM CST, a severe thunderstorm was located over Collinsville,
moving east at 50 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

This severe thunderstorm will be near...
  O'Fallon, Collinsville, Caseyville, Maryville, Fairview Heights,
  Shiloh, Glen Carbon, Pontoon Beach, Swansea and Scott AFB around
  1215 PM CST. Troy and Lebanon around 1220 PM CST.

Other locations impacted by the severe thunderstorm include Kuhn,
Summerfield, Grantfork and Pierron.

This includes the following highways...
Interstate 64 in Illinois between exits 9 and 23. Interstate 70 in
Illinois between exits 21 and 30.

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 3851 9015 3860 9008 3874 9003 3888 8964
      3887 8963 3887 8960 3866 8960 3866 8971
      3855 8971
TIME...MOT...LOC 1759Z 254DEG 42KT 3861 9015

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$