550
WWUS53 KLSX 272343 RRA
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
643 PM CDT MON APR 27 2026
ILC005-013-051-083-117-119-135-MOC183-189-280015-
/O.CON.KLSX.SV.W.0118.000000T0000Z-260428T0015Z/
BOND IL-CALHOUN IL-FAYETTE IL-JERSEY IL-MACOUPIN IL-MADISON IL-
MONTGOMERY IL-SAINT CHARLES MO-SAINT LOUIS MO-
643 PM CDT MON APR 27 2026
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR
NORTHERN BOND, NORTHWESTERN FAYETTE AND MONTGOMERY COUNTIES IN SOUTH
CENTRAL ILLINOIS, EASTERN CALHOUN, JERSEY, MACOUPIN AND NORTHERN
MADISON COUNTIES IN SOUTHWESTERN ILLINOIS AND NORTHEASTERN SAINT
CHARLES AND NORTHEASTERN SAINT LOUIS COUNTIES IN EAST CENTRAL
MISSOURI...
AT 643 PM CDT, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE FROM 14
MILES NORTH OF NOKOMIS TO OVER WEST ALTON, OR ALONG A LINE FROM 14
MILES NORTH OF NOKOMIS TO OVER ALTON, MOVING EAST AT 65 MPH.
HAZARD...PING PONG BALL SIZE HAIL AND 60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL
DAMAGE TO ROOFS, SIDING, WINDOWS, AND VEHICLES. EXPECT WIND
DAMAGE TO ROOFS, SIDING, AND TREES.
LOCATIONS IMPACTED INCLUDE...
JERSEYVILLE, CARLINVILLE, GODFREY, ST. CHARLES, BRIGHTON,
BRIDGETON, HAZELWOOD, GILLESPIE, FLORISSANT, ALTON, LITCHFIELD,
BLACK JACK, BETHALTO, EAST ALTON, HILLSBORO, WOOD RIVER, STAUNTON,
NOKOMIS AND GREENVILLE.
THIS INCLUDES THE FOLLOWING STATE PARKS...
CONFLUENCE STATE PARK, FIRST MISSOURI STATE CAPITOL HISTORIC SITE,
RAMSEY LAKE STATE PARK, BEAVER DAM STATE PARK AND LAKE LOU YAEGER.
THIS INCLUDES THE FOLLOWING HIGHWAYS...
INTERSTATE 55 IN ILLINOIS BETWEEN EXITS 30 AND 63. INTERSTATE 70 IN
MISSOURI BETWEEN EXITS 227 AND 228.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE AND STAY AWAY FROM
WINDOWS. THESE STORMS ARE CAPABLE OF PRODUCING DAMAGING WINDS AND
LARGE HAIL.
TORNADOES CAN DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. SEEK SHELTER
IMMEDIATELY IN AN INTERIOR ROOM ON THE LOWEST FLOOR OF A WELL-BUILT
STRUCTURE.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FOR PORTIONS OF
ILLINOIS AND EAST CENTRAL MISSOURI.
LAT...LON 3877 9055 3904 9050 3917 9031 3925 9003
3938 8986 3952 8972 3952 8953 3935 8953
3935 8914 3922 8914 3922 8881 3917 8881
3889 8941 3881 9020
TIME...MOT...LOC 2328Z 269DEG 54KT 3950 8966 3921 8982 3905 9014 3886
9048
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
ELMORE
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