More than an inch of rain has already fallen on Genesee County this morning and more than an inch more is expected by 1 p.m., according to the National Weather Service.
There is an increased chance of flooding on roadways.
Creeks and streams may see water levels rise with some cresting at the top of their banks.
A front of heavy rain showers and thunderstorms are expected to move through the area from now until 1 p.m.
Areas with poor drainage are expected to flood.
The weather service warns that most flood-related deaths are come people driving across flooded roads.
"Flood waters are usually deeper than they appear," warns the weather service. "Just one foot of flowing water is powerful enough to sweep vehicles off the road."
