More severe storms possible on Saturday

The Storm Prediction Center has all of Northern Illinois in a slight risk of severe weather for Saturday afternoon. It appears possible that a repeat performance of Friday's severe storms is possible.

Here's the technical discussion from SPC:

SEVERAL BANDS OF CONFLUENCE AND/OR OUTFLOW BOUNDARIES WILL EXIST
  ALONG SERN PERIPHERY OF THE UPR LOW ACROSS THE PLAINS NEWD INTO THE
  UPR MS VLY SATURDAY.  AN ACTIVE TSTM CORRIDOR MAY EVENTUALLY EVOLVE
  FROM PARTS OF IL SWWD INTO MO EARLY SATURDAY AFTN WHERE BOUNDARY
  LAYER HEATS AMIDST A MOIST ENVIRONMENT.  LAPSE RATES ALOFT WILL
  REMAIN QUITE STEEP AND AS THE LARGER SCALE HEIGHT FALLS SPREAD EWD
  ASSOCD WITH THE EJECTING UPR LOW...TSTMS WILL LIKELY DEVELOP.
  THOUGH STRONGER BELT OF FLOW ALOFT WILL REMAIN DECIDEDLY WEST OF THE
  MORE SUBSTANTIAL WARM SECTOR...DEEP SWLY TROPOSPHERIC FLOW WILL BE
  FAVORABLE FOR LINEAR BANDS OF STORMS WITH EMBEDDED LEWPS/BOWS THAT
  MAY PRODUCE DAMAGING WIND GUSTS AND PERHAPS AN ISOLD TORNADO.