The National Weather Service has added a dense fog advisory to the flood watch that takes effect tonight in the Ann Arbor area.
The fog advisory is in effect until 11 a.m. Tuesday. Visibility of a quarter mile or less is expected, the weather service said.
The flood watch takes effect tonight and runs through Wednesday morning, Forecasters expect more than an inch of rain overnight Tuesday.
The rain and fog come with much warmer temperatures after the recent cold snap. A high in the upper 50s to low 60s is expected Tuesday.
For updated forecasts and conditions, check AnnArbor.com's weather page.