A storm headed for the central United States on Election Day could affect voter turnout in key races across the region.
Follow this storm live. Track changing conditions in real time.
Download CNN WeatherThe beginnings of our storm are just off the West Coast and will cross into the US Saturday night. It will funnel in abundant moisture from the tropical Pacific, setting up a serious flooding threat in the Southwest this weekend before it brings soggy weather to the central states for Election Day.




