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

* WHERE...PORTIONS OF ILLINOIS, INCLUDING THE FOLLOWING AREAS, HANCOCK, HENDERSON, MCDONOUGH, MERCER AND WARREN, SOUTHEAST IOWA, INCLUDING THE FOLLOWING AREAS, DES MOINES, HENRY IA, JEFFERSON, KEOKUK, LEE, LOUISA, VAN BUREN AND WASHINGTON, AND NORTHEAST MISSOURI, INCLUDING THE FOLLOWING AREAS, CLARK AND SCOTLAND.

* WHEN...THROUGH SATURDAY MORNING.

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

* ADDITIONAL DETAILS... - ROUNDS OF RAIN WITH EMBEDDED THUNDERSTORMS WILL OCCUR ACROSS THE AREA TONIGHT THROUGH SATURDAY MORNING. EACH ROUND OF STORMS HAVE THE POTENTIAL TO PRODUCE 1 TO 2 INCHES OF RAIN. BY THE TIME THE RAIN ENDS SATURDAY MORNING, RAIN TOTALS OF 2 TO 5 INCHES ARE POSSIBLE WITH LOCALLY HIGHER AMOUNTS. FLASH FLOODING IS A RISK WITH AN INCREASED PROBABILITY OF RIVER FLOODING.