* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL CONTINUES TO BEPOSSIBLE.

* WHERE...PORTIONS OF NORTHWEST AND WEST CENTRAL ILLINOIS, INCLUDING THE FOLLOWING COUNTIES, IN NORTHWEST ILLINOIS, STEPHENSON. IN WEST CENTRAL ILLINOIS, MCDONOUGH AND WARREN.

* WHEN...THROUGH THIS EVENING.

* IMPACTS...EXCESSIVE RUNOFF MAY RESULT IN FLOODING OF RIVERS, CREEKS, STREAMS, AND OTHER LOW-LYING AND FLOOD-PRONE LOCATIONS.

* ADDITIONAL DETAILS... - VERY HIGH ATMOSPHERIC MOISTURE ACROSS THE AREA WILL BRING HEAVY RAIN FROM SEVERAL ROUNDS OF THUNDERSTORMS. RAINFALL RATES OF 2 TO 3 INCHES PER HOUR ARE POSSIBLE.