Moderate to heavy rains tonight through Friday morning could cause localized flooding, according to the National Weather Service.
Low-lying areas and areas of poor drainage could experience minor flooding.
The storm's frontal boundary may stall over the Western New York region.
Flooding is more likely Friday morning.
UPDATE 1:05 p.m.: The weather service has also issued a hazardous weather outlook for the area with a freezing rain advisory. It will be in effect beginning in the early morning hours of Thursday from 2 through 11 a.m. Up to a third of an inch of accumulation is expected and this is likely to make roads and walkways icy and slick. It could also weigh down tree branches and power lines. Use caution when traveling.