Des Moines Register: Flooding may affect parts of Central Iowa today after heavy rains from overnight thunderstorms, according to the National Weather Service. Flood warnings were issued for areas near Boone and Ames. A flood warning was issued around 7 a.m. today for the South Skunk River after 2 to 5 inches of rain fell in parts of Boone, Hamilton, Hardin, Marshall and Story counties. Flooding on the river may affect parts of Story and Polk counties today and Thursday.