Any additional rainfall today should remain under half an inch. Ongoing thunderstorms through Michigan, Indiana and central Illinois will continue to move east as low pressure lifts out of Iowa and into northern Illinois this afternoon. Cloud cover will help keep the atmosphere fairly stable despite the strong lift with the low and should any stronger storms develop they will remain east and south of the Stateline.
Current river observation for the Rock River at Byron show the rise in the river from yesterday to today. Current river level at 11:15am is 15.03' with higher end moderate flooding already occurring. Major flood level is 16' and the forecast calls for the river to rise to 18.5' and crest Saturday afternoon with major flooding.