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Home Return to list Severe Thunderstorm Warning 0229 Issued by the St. Louis Forecast Office
Action: New Issued At: 2026-08-12 16:44:55
481
WUUS53 KLSX 122144
SVRLSX
ILC157-122245-
/O.NEW.KLSX.SV.W.0229.260812T2144Z-260812T2245Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service St Louis MO
444 PM CDT Wed Aug 12 2026
The National Weather Service in St Louis has issued a
* Severe Thunderstorm Warning for...
Southeastern Randolph County in southwestern Illinois...
* Until 545 PM CDT.
* At 444 PM CDT, a severe thunderstorm was located near Chester,
moving southeast at 10 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...
Kaskaskia, New Palestine, Chester, Bremen, Welge, Steeleville,
Shiloh Hill and Rockwood.
This includes the following State Parks...
Piney Creek Ravine State Natural Area, Randolph County State
Recreation Area and Turkey Bluffs State Fish and Wildlife Area.
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 3794 8996 3795 8993 3796 8993 3796 8994
3805 8984 3799 8959 3795 8960 3786 8966
3783 8966 3782 8968 3780 8967 3785 8974
3785 8979 3786 8980 3788 8980 3791 8984
3787 8990 3787 8992 3788 8995 3792 8997
TIME...MOT...LOC 2144Z 310DEG 10KT 3795 8987
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Carney
Action: Cancelled Issued At: 2026-08-12 17:13:26
439
WWUS53 KLSX 122213
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
513 PM CDT Wed Aug 12 2026
ILC157-122223-
/O.CAN.KLSX.SV.W.0229.000000T0000Z-260812T2245Z/
Randolph IL-
513 PM CDT Wed Aug 12 2026
...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR SOUTHEASTERN RANDOLPH
COUNTY...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled. However, gusty winds and
heavy rain are still possible with this thunderstorm.
&&
LAT...LON 3794 8996 3795 8993 3796 8993 3796 8994
3805 8984 3799 8959 3795 8960 3786 8966
3783 8966 3782 8968 3780 8967 3785 8974
3785 8979 3786 8980 3788 8980 3791 8984
3787 8990 3787 8992 3788 8995 3792 8997
TIME...MOT...LOC 2144Z 310DEG 10KT 3795 8987
$$
Carney
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