Up to one-quarter inch of ice is possible through Thursday morning in northern areas of Western New York, according to a winter weather advisory statement posted by the National Weather Service.
Affected counties include Northern Erie, Niagara, Orleans, Genesee and Wyoming.
Freezing rain and sleet were expected to fall in these areas while temperatures hovered around the freezing point.
Forecasters cautioned that could result in slippery or icy conditions on untreated roads, sidewalks and parking lots. Bridges are especially vulnerable to freezing precipitation.
The temperature quickly rebounds as the day wears on Thursday, according to the forecast.
It'll be about 37 degrees at 9 a.m. It will reach 45 degrees by 3 p.m. and then jump all the way up to 58 degrees by 9 p.m. The temperature will remain in the 50s through early Friday morning, forecasts show.
Rain is forecast throughout the day Thursday into Friday.
Easter Sunday looks to be unseasonably warm. Partly sunny conditions are possible with a 30 percent chance of showers. The daytime high if projected to be 57 degrees, according to the weather service forecast.