The National Weather Service in Lincoln has issued a * Flash Flood Watch for portions of central Illinois, east central Illinois, and southeast Illinois, including the following areas, in central Illinois, Christian, De Witt, Logan, Macon, McLean, Menard, Piatt, Sangamon, and Shelby. In east central Illinois, Champaign, Clark, Coles, Cumberland, Douglas, Edgar, Moultrie, and Vermilion. In southeast Illinois, Clay, Crawford, Effingham, Jasper, Lawrence, and Richland. * From Friday evening through Monday morning * Periods of heavy rainfall are expected over the weekend. By Monday morning between three and five inches of rainfall is expected in an area near I-55 southeastward through much of central and southeast Illinois. Locally heavier amounts are possible between I-55 and I-57. At the current time the heaviest rain is expected overnight Saturday.