THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL FAYETTE COUNTY IN SOUTH CENTRAL ILLINOIS... * UNTIL 830 PM CDT. * AT 749 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR VANDALIA... MOVING EAST AT 45 MPH. HAZARD...QUARTER SIZE HAIL. SOURCE...RADAR INDICATED. IMPACT...DAMAGE TO VEHICLES IS EXPECTED. * LOCATIONS IMPACTED INCLUDE... VANDALIA...ST. ELMO...BROWNSTOWN...AVENA AND ST. JAMES. THIS INCLUDES INTERSTATE 70 IN ILLINOIS BETWEEN EXITS 61 AND 76.