10:30P Update: The Flash Flood Warning has been cancelled as water continues to recede across the warned area.
The National Weather Service has issued a Flash Flood WARNING until 11:15PM for much of Whiteside county.
Heavy rain producing thunderstorms have put down 1 to 2 inches or more since before 5pm this evening causing areas of flash flooding.
Some area roadways may remain covered with water through the evening hours. Remember, never cross a flooded roadway no matter how shallow the water may appear.