466
ACUS11 KWNS 120125
SWOMCD
SPC MCD 120125
INZ000-ILZ000-120230-
MESOSCALE DISCUSSION 1104
NWS STORM PREDICTION CENTER NORMAN OK
0825 PM CDT THU JUN 11 2026
AREAS AFFECTED...SOUTHERN ILLINOIS INTO SOUTHERN AND CENTRAL INDIANA
CONCERNING...SEVERE POTENTIAL...WATCH NEEDED SOON
VALID 120125Z - 120230Z
PROBABILITY OF WATCH ISSUANCE...95 PERCENT
SUMMARY...A SEVERE THUNDERSTORM WATCH IS NEEDED SOON FROM SOUTHERN
ILLINOIS INTO PARTS OF SOUTHERN AND CENTRAL INDIANA.
DISCUSSION...A LINE OF STORMS CONTINUES TO MOVE SOUTHEAST ACROSS
CENTRAL ILLINOIS. THIS LINE OF STORMS WILL CONTINUE SOUTHEAST
THROUGH THE EVENING. WHILE THE SEVERE WIND THREAT WILL LIKELY NOT BE
AS STRONG AS FARTHER NORTH WHERE THE LINE IS MORE PROGRESSIVE, THE
STRONG INSTABILITY AND STEEP LAPSE RATE ENVIRONMENT WILL SUPPORT A
DAMAGING WIND THREAT WITH THESE STORMS THROUGH THE EVENING. A SEVERE
THUNDERSTORM WATCH WILL BE ISSUED SOON FOR THIS THREAT.
..BENTLEY/SMITH.. 06/12/2026
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
ATTN...WFO...ILN...LMK...IWX...IND...PAH...ILX...LSX...
LAT...LON 39088966 39438819 39968669 40378562 40278499 39878491
39318517 38938579 38508692 38268762 38218840 38348915
38428950 39088966
MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 90 MPH
MOST PROBABLE PEAK WIND GUST...55-70 MPH
MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page