The National Weather Service is forecasting heavy rain, about a half-inch, between 4:30 and 7 p.m. for Genesee County.
Those are prime trick-or-treat hours but at least two venues in Batavia are moving their Halloween-related events indoors.
There is an event, a fall festival, starting at 5 p.m. at City Church's St. Anthony's facility on Liberty Street and what was originally a "trunk-or-treat" event at Grace Baptist on Vine Street at 5:30 p.m.
As for the rain, expect flooding in low-lying areas. Motorists are urged to slow down during the storm. Brief gusty winds are expected around 7 p.m. before strong winds arrive before the morning.
