Interactive NWS Alert

Radar valid at 945 pm CDT, Apr 27th 2026

ILC157-280245-
/O.NEW.KLSX.SV.W.0130.260428T0155Z-260428T0245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service St Louis MO
855 PM CDT Mon Apr 27 2026

The National Weather Service in St Louis has issued a

* Severe Thunderstorm Warning for...
Southeastern Randolph County in southwestern Illinois...

* Until 945 PM CDT.

* At 855 PM CDT, a severe thunderstorm was located over St. Mary, or
9 miles southwest of Chester, moving east at 55 mph.

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

SOURCE...Radar indicated.

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

* Locations impacted include...
Kaskaskia, Chester, New Palestine, Bremen, Rockwood, Welge, Shiloh
Hill, Steeleville and Percy.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A Tornado Watch remains in effect until 1100 PM CDT for a portion of
southwest Illinois.

&&

LAT...LON 3797 8994 3805 8959 3796 8960 3786 8966
3783 8966 3782 8968 3781 8968 3782 8970
3785 8974 3785 8979 3786 8980 3788 8980
3791 8984 3787 8990 3787 8992 3788 8995
3792 8997 3793 8997 3795 8993 3796 8993
TIME...MOT...LOC 0155Z 256DEG 48KT 3786 8998

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

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